For the fiscal year ended December 31, 2015

For the transition period from                     to                    

Commission File Number 001-34034

(Exact name of registrant as specified in its charter)

1900 Fifth Avenue North, Birmingham, Alabama 35203

(Address of principal executive offices)

Registrant's telephone number, including area code: (205) 581-7890

Securities registered pursuant to Section 12(b) of the Act:

Securities registered pursuant to Section 12(g) of the Act: None

Indicate by check mark if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities

Act.    Yes  ý    No   ¨

Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the Act.    Yes   ¨     No   ý

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes   ý     No   ¨

Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Web site, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files). Yes   ý    No   ¨

Indicate by check mark if disclosure of delinquent filers pursuant to Item 405 of Regulation S-K is not contained herein, and will not be contained, to the best of registrant's knowledge, in definitive proxy or information statements incorporated by reference in Part III of this Form 10-K or any amendment to this Form 10-K.   ¨

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, or a smaller reporting company. See the definitions of "large accelerated filer," "accelerated filer" and "smaller reporting company" in Rule 12b-2 of the Exchange Act.

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Act). Yes   ¨     No   ý

State the aggregate market value of the voting and non-voting common equity held by non-affiliates computed by reference to the price at which the common equity was last sold, or the average bid and asked price of such common equity, as of the last business day of the registrant's most recently completed second fiscal quarter.

Common Stock, $.01 par value-$13,350,698,931 as of June 30, 2015.

Indicate the number of shares outstanding of each of the registrant's classes of common stock, as of the latest practicable date.

Common Stock, $.01 par value-1,287,827,242 shares issued and outstanding as of February 11, 2016.

DOCUMENTS INCORPORATED BY REFERENCE

Portions of the proxy statement for the Annual Meeting to be held on April 21, 2016 are incorporated by reference into Part III.

REGIONS FINANCIAL CORPORATION

FORM 10-K

INDEX

Agencies - collectively, FNMA, FHLMC and GNMA.

ALCO - Asset/Liability Management Committee.

AOCI - Accumulated other comprehensive income.

ATM - Automated teller machine.

Basel I - Basel Committee's 1988 Regulatory Capital Framework (First Accord).

Basel II - Basel Committee's 2004 Regulatory Capital Framework (Second Accord).

Basel III - Basel Committee's 2010 Regulatory Capital Framework (Third Accord).

Basel III Rules - Final capital rules adopting the Basel III capital framework approved by U.S. federal

regulators in 2013.

Basel Committee - Basel Committee on Banking Supervision.

BHC - Bank Holding Company.

BHC Act - Bank Holding Company Act of 1956, as amended.

BITS - Technology arm of the Financial Services Roundtable.

Bank - Regions Bank.

Board - The Company's Board of Directors.

CAMELS - Bank's Supervisory Ratings.

CAP - Customer Assistance Program.

CAPM - Capital Asset Pricing Model.

CCAR - Comprehensive Capital Analysis and Review.

CD - Certificate of deposit.

CEO - Chief Executive Officer.

CET1 - Common Equity Tier 1.

CFE - Collateralized Financing Entity.

CFO - Chief Financial Officer.

CFPB - Consumer Financial Protection Bureau.

COSO - Committee of Sponsoring Organizations of the Treadway Commission.

Company - Regions Financial Corporation and its subsidiaries.

CPR - Constant (or Conditional) Prepayment Rate.

CRA - Community Reinvestment Act of 1977.

DIF - Deposit Insurance Fund.

Dodd-Frank Act - The Dodd-Frank Wall Street Reform and Consumer Protection Act of 2010.

DPD - Days Past Due.

DUS - Fannie Mae Delegated Underwriting & Servicing.

EAD- Exposure At Default.

FASB - Financial Accounting Standards Board.

FDIA - Federal Deposit Insurance Act, as amended.

FDIC - The Federal Deposit Insurance Corporation.

Federal Reserve - The Board of Governors of the Federal Reserve System.

FFIEC - Federal Financial Institutions Examination Council.

FHA - Federal Housing Administration.

FHLB - Federal Home Loan Bank.

FHLMC - Federal Home Loan Mortgage Corporation, known as Freddie Mac.

FICO Assessments - The Financing Corporation, established by the Competitive Equality Banking Act of

1987.

FICO Scores - Personal credit scores based on the model introduced by the Fair Isaac Corporation.

FINRA - Financial Industry Regulatory Authority.

FNMA - Federal National Mortgage Association, known as Fannie Mae.

FOMC - Federal Open Market Committee.

FS-ISAC - Financial Services - Information Sharing & Analysis Center

FRB - Federal Reserve Board.

FSOC - Federal Stability Oversight Council.

FTP - Funds Transfer Pricing.

GAAP - Generally Accepted Accounting Principles in the United States.

GCM - Guideline Public Company Method.

GDP - Gross Domestic Product.

GNMA - Government National Mortgage Association.

GTM - Guideline Transaction Method.

HARP - Home Affordable Refinance Program.

HUD - U.S. Department of Housing and Urban Development.

IPO - Initial public offering.

IRA - Individual Retirement Account.

IRS - Internal Revenue Service.

LCR - Liquidity coverage ratio.

LGD - Loss given default.

LIBOR - London InterBank Offered Rates.

LTIP - Long-term incentive plan.

LTV - Loan to value.

MBS - Mortgage-backed securities.

MD&A - Management's Discussion and Analysis of Financial Condition and Results of Operations.

MSAs - Metropolitan Statistical Areas.

MSR - Mortgage servicing right.

MSRB - Municipal Securities Rulemaking Board.

NCG - Nominating and Corporate Governance Committee of the Board of Directors.

NM - Not meaningful.

NPR - Notice of Proposed Rulemaking.

NSFR - Net stable funding ratio.

NYSE - New York Stock Exchange.

OAS - Option-Adjusted Spread.

OCC - Office of the Comptroller of the Currency.

OCI - Other comprehensive income.

OFAC - U.S. Treasury Department - Office of Foreign Assets Control.

OLA - Orderly Liquidation Authority.

OTTI - Other-than-temporary impairment.

PD - Probability of default.

Raymond James - Raymond James Financial, Inc.

Regions Securities - Regions Securities LLC.

REIT - Real Estate Investment Trust.

RICO - Racketeer Influenced and Corrupt Organizations Act.

SEC - U.S. Securities and Exchange Commission.

SERP - Supplemental Executive Retirement Plan.

SSFA - Simplified Supervisory Formula Approach.

TBA - To Be Announced.

TDR - Troubled debt restructuring.

TRACE - Trade Reporting and Compliance Engine.

U.S. - United States.

USA PATRIOT Act - Uniting and Strengthening America by Providing Appropriate Tools Required to Intercept

and Obstruct Terrorism Act of 2001.

U.S. Treasury - The United States Department of the Treasury.

UTB - Unrecognized tax benefits.

VA - Veterans Administration.

VIE - Variable interest entity.

Visa - The Visa, U.S.A. Inc. card association or its affiliates, collectively.

Volcker Rule - Section 619 of the Dodd-Frank Act and regulations promulgated

thereunder, as applicable.

VRDN - Variable Rate Demand Notes.

PART I

Forward-Looking Statements

This Annual Report on Form 10-K, other periodic reports filed by Regions Financial Corporation under the Securities Exchange Act of 1934, as amended, and any other written or oral statements made by us or on our behalf to analysts, investors, the media and others may include forward-looking statements as defined in the Private Securities Litigation Reform Act of 1995. The terms "Regions," "the Company," "we," "us" and "our" mean Regions Financial Corporation, a Delaware corporation and its subsidiaries, when or where appropriate. The words "anticipates," "intends," "plans," "seeks," "believes," "estimates," "expects," "targets," "projects," "outlook," "forecast," "will," "may," "could," "should," "can" and similar expressions often signify forward-looking statements. Forward-looking statements are not based on historical information, but rather are related to future operations, strategies, financial results or other developments. Forward-looking statements are based on management's current expectations as well as certain assumptions and estimates made by, and information available to, management at the time the statements are made. Those statements are based on general assumptions and are subject to various risks, and because they also relate to the future they are likewise subject to inherent uncertainties and other factors that may cause actual results to differ materially from the views, beliefs and projections expressed in such statements. Therefore, we caution you against relying on any of these forward-looking statements. These risks, uncertainties and other factors include, but are not limited to, the risks identified in Item 1A. "Risk Factors" of this Annual Report on Form 10-K and those described below:

You should not place undue reliance on any forward-looking statements, which speak only as of the date made. Factors or events that could cause our actual results to differ may emerge from time to time, and it is not possible to predict all of them. We assume no obligation to update or revise any forward-looking statements that are made from time to time, either as a result of future developments, new information or otherwise, except as may be required by law.

Item 1. Business

Regions Financial Corporation is a financial holding company headquartered in Birmingham, Alabama that operates in the South, Midwest and Texas. The terms "Regions," "the Company," "we," "us" and "our" mean Regions Financial Corporation, a Delaware corporation and its subsidiaries, when appropriate. Regions provides traditional commercial, retail and mortgage banking services, as well as other financial services in the fields of asset management, wealth management, securities brokerage, insurance brokerage, trust services, merger and acquisition advisory services, and other specialty financing. At December 31, 2015 , Regions had total consolidated assets of approximately $126.1 billion , total consolidated deposits of approximately $98.4 billion and total consolidated stockholders' equity of approximately $16.8 billion .

Regions is a Delaware corporation and on July 1, 2004, became the successor by merger to Union Planters Corporation and the former Regions Financial Corporation. Its principal executive offices are located at 1900 Fifth Avenue North, Birmingham, Alabama 35203, and its telephone number at that address is (205) 581-7890.

Banking Operations

Regions conducts its banking operations through Regions Bank, an Alabama state-chartered commercial bank that is a member of the Federal Reserve System. At December 31, 2015 , Regions operated 1,962 ATMs and 1,627 banking offices in Alabama, Arkansas, Florida, Georgia, Illinois, Indiana, Iowa, Kentucky, Louisiana, Mississippi, Missouri, North Carolina, South Carolina, Tennessee, Texas and Virginia.

The following chart reflects the distribution of branch locations in each of the states in which Regions conducts its banking operations.

Other Financial Services Operations

In addition to its banking operations, Regions provides additional financial services through the following subsidiaries:

Regions Insurance Group, Inc., a subsidiary of Regions, is an insurance broker that offers the placement of insurance coverage with insurance companies or other risk bearing entities through its subsidiaries: Regions Insurance, Inc., headquartered in Birmingham, Alabama; Trilogy Risk Specialists, Inc., headquartered in Memphis, Tennessee; and Regions Insurance Services, Inc., headquartered in Memphis, Tennessee. Through its insurance brokerage operations in Alabama, Arkansas, Florida, Georgia, Indiana, Louisiana, Mississippi, South Carolina, Tennessee and Texas, Regions Insurance, Inc. offers insurance coverage for various lines of personal and commercial insurance, such as property, vehicle, casualty, life, health and accident insurance. Regions Insurance, Inc. also provides services related to employee benefits. Trilogy Risk Specialists, Inc. operates as a wholesale insurance broker assisting retail insurance brokers in placing insurance coverage for the retail brokers' customers with risk bearing entities. Regions Insurance Services, Inc. offers various insurance products, such as crop, life, and environmental insurance. Regions Insurance Group, Inc. is one of the thirty-five largest insurance brokers in the United States based on annual revenues.

Regions Equipment Finance Corporation and Regions Commercial Equipment Finance, LLC provide equipment financing products, focusing on commercial clients.

Regions Investment Services, Inc., a wholly-owned subsidiary of Regions Bank, offers investments and insurance products to Regions Bank customers, provided by licensed insurance agents. In addition, Regions Bank and Regions Investment Services, Inc. also maintain an agreement with Cetera Investment Services, LLC to offer securities, insurance, and advisory services to Regions Bank customers through dually-employed financial consultants.

Regions Securities is a wholly-owned subsidiary of Regions headquartered in Atlanta, Georgia. Regions Securities serves as a broker-dealer to commercial clients and acts in an advisory capacity to merger and acquisition transactions. Additionally, BlackArch Partners LLC is a wholly-owned subsidiary of Regions and is headquartered in Charlotte, North Carolina. BlackArch Partners LLC and its subsidiaries offer merger and acquisition services to its institutional clients and commercial entities.

Segment Information

Reference is made to Note 23 "Business Segment Information" to the consolidated financial statements included under Item 8. of this Annual Report on Form 10-K for information required by this item.

Supervision and Regulation

We are subject to the extensive regulatory framework applicable to BHCs and their subsidiaries. This framework is intended primarily for the protection of depositors, the FDIC's DIF and the banking system as a whole, and generally is not intended for the protection of stockholders or other investors. Described below are the material elements of selected laws and regulations applicable to us and our subsidiaries. These descriptions are not intended to be complete and are qualified in their entirety by reference to the full text of the statutes and regulations described. Changes in applicable law or regulation, and in their interpretation and application by regulatory agencies and other governmental authorities, cannot be predicted, but may have a material effect on our business, financial condition or results of operations.

Applicable laws and regulations restrict our permissible activities and investments and impose conditions and requirements on the products and services we offer and the manner in which they are offered and sold. They also restrict our ability to repurchase stock or pay dividends, or to receive dividends from our banking subsidiary, and impose capital adequacy requirements on us and our banking subsidiary. The consequences of noncompliance with these laws and regulations can include substantial monetary and nonmonetary sanctions.

As described in more detail below, comprehensive reform of the legislative and regulatory landscape occurred with the passage of the Dodd-Frank Act in 2010. Implementation of the Dodd-Frank Act and related rulemaking activities continued in 2015. In addition to banking laws, regulations and regulatory agencies, we are subject to various other laws, regulations, supervision and examination by other regulatory agencies, all of which directly or indirectly affect our operations and management.

Overview

We are registered with the Federal Reserve as a BHC and have elected to be treated as a financial holding company under the BHC Act. As such, we and our subsidiaries are subject to the supervision, examination and reporting requirements of the BHC Act and the regulations of the Federal Reserve. Generally, the BHC Act provides for "umbrella" regulation of financial holding companies by the Federal Reserve and functional regulation of holding company subsidiaries by applicable regulatory agencies. The BHC Act, however, requires the Federal Reserve to examine any subsidiary of a BHC, other than a depository institution, engaged in activities permissible for a depository institution. The Federal Reserve is also granted the authority, in certain circumstances, to require reports of, examine and adopt rules applicable to any holding company subsidiary.

Regions Bank is a member of the FDIC, and, as such, its deposits are insured by the FDIC to the extent provided by law. Regions Bank is an Alabama state-chartered bank and a member of the Federal Reserve System. It is generally subject to supervision and examination by both the Federal Reserve and the Alabama State Banking Department. The Federal Reserve and the Alabama State Banking Department regularly examine the operations of Regions Bank and its subsidiaries and are given authority to approve or disapprove mergers, acquisitions, consolidations, the establishment of branches and similar corporate actions. The federal and state banking regulators also have the power to prevent the continuance or development of unsafe or unsound banking practices or other violations of law. State and federal law govern the activities in which Regions Bank engages, the investments it makes and the aggregate amount of loans that may be granted to one borrower. Various consumer and compliance laws and regulations also affect its operations. Regions Bank also is affected by the actions of the Federal Reserve Board as it implements monetary policy.

All member banks of the Federal Reserve System, including Regions Bank, are required to hold stock in the Federal Reserve System's Reserve Banks in an amount equal to 6 percent of their capital stock and surplus (half paid to acquire the stock with the remainder held as a cash reserve). Member banks do not have any control over the Federal Reserve System as a result of owning the stock and the stock cannot be sold or traded. Prior to the enactment of the Fixing America's Surface Transportation Act ("FAST Act") in December 2015, member banks received a fixed, 6 percent dividend annually on their stock. Under the FAST Act, the annual dividend rate for member banks with total assets in excess of $10 billion, including Regions Bank, changed to a floating

dividend rate tied to 10-year U.S. Treasuries with the maximum dividend rate capped at 6 percent. Based on that rate at December 31, 2015, the reduction in the dividend paid to Regions is estimated to be approximately $18 million annually.

Regions Bank and its affiliates are also subject to supervision, regulation, examination and enforcement by the CFPB with respect to consumer protection laws and regulations. Some of Regions' non-bank subsidiaries are also subject to regulation by various federal and state agencies, such as the SEC and FINRA in the case of our broker-dealer subsidiary, Regions Securities.

We are also subject to the disclosure and regulatory requirements of the Securities Exchange Act of 1934, as amended, as administered by the SEC. Our common stock and depository shares representing our outstanding preferred stock are each listed on the NYSE. Consequently, we are also subject to NYSE's rules for listed companies.

Financial Regulatory Reform

The recent financial crisis led to the adoption and revision of numerous laws and regulations applicable to financial institutions operating in the U.S. In particular, the Dodd-Frank Act and the rules that followed have significantly restructured the financial regulatory regime in the U.S. and provide for enhanced supervision and prudential standards for, among other things, BHCs like Regions that have total consolidated assets of $50 billion or more. The Dodd-Frank Act is extensive, complicated and comprehensive legislation that impacts practically all aspects of a banking organization, representing a significant overhaul of many aspects of the regulation of the financial services industry.

The Dodd-Frank Act imposed regulatory requirements and oversight over banks and other financial institutions in a number of ways, among which were: (i) created the CFPB to regulate consumer financial products and services; (ii) created the FSOC to identify and impose additional regulatory oversight on large financial firms; (iii) granted orderly liquidation authority to the FDIC for the liquidation of financial corporations that pose a risk to the financial system of the U.S.; (iv) required certain financial institutions to draft a resolution plan that contemplates the dissolution of the enterprise and to submit that resolution plan to both the Federal Reserve and the FDIC; (v) limited debit card interchange fees; (vi) adopted certain changes to stockholder rights and responsibilities, including a stockholder "say on pay" vote on executive compensation; (vii) strengthened the SEC's powers to regulate securities markets; (viii) restricted variable-rate lending by requiring the ability to repay to be determined for variable-rate loans by using the maximum rate that will apply during the first five years of a variable-rate loan term, and making more loans subject to provisions for higher cost loans, new disclosures, and certain other revisions; (ix) changed the base upon which the deposit insurance assessment is assessed from deposits to, substantially, average consolidated assets minus equity; and (x) amended the Truth in Lending Act with respect to mortgage originations, including originator compensation, minimum repayment standards, and prepayment considerations.

 The Dodd-Frank Act requires the Federal Reserve to monitor emerging risks to financial stability and establish enhanced supervision and prudential standards applicable to large, interconnected financial institutions, including Regions, with total consolidated assets of $50 billion or more (often referred to as systemically important financial institutions). During February 2014, the FRB published the final rule implementing the enhanced prudential standards required to be established under section 165 of the Dodd-Frank Act. The enhanced prudential standards include risk-based capital and leverage requirements, liquidity standards, risk management and risk committee requirements, stress test requirements and a debt-to-equity limit for companies that the FSOC has determined would pose a grave threat to financial stability were they to fail such limits.

Pursuant to the Dodd-Frank Act, BHCs with total consolidated assets of $50 billion or more, such as Regions, are required to submit resolution plans to the Federal Reserve and FDIC providing for the company's strategy for rapid and orderly resolution in the event of its material financial distress or failure. In September 2011, these agencies issued a joint final resolution plan rule implementing this requirement. The FDIC issued a separate such rule applicable to insured depository institutions of $50 billion or more in total assets, such as Regions Bank. Regions and Regions Bank submitted their most recent resolution plans to these agencies in December 2015. If the Federal Reserve and the FDIC determine that these plans are not credible and we do not cure the deficiencies, the Federal Reserve and the FDIC may impose more stringent capital, leverage or liquidity requirements or restrictions on growth, activities or operations of the Company.

Most recently, federal regulators have finalized rules for new capital requirements for financial institutions that include several changes to the way capital is calculated and how assets are risk-weighted, informed in part by the Basel II revised international capital framework published by the Basel Committee. The Basel III Rules, summarized briefly below, will have an effect on our level of capital, and may influence the types of business we may pursue and how we pursue business opportunities. Among other things, the Basel III Rules raise the required minimums for certain capital ratios, add a new common equity ratio, include capital buffers, and restrict what constitutes capital. The new capital and risk weighting requirements became effective for us on January 1, 2015.

Many of the provisions of the Dodd-Frank Act and other laws are subject to further rulemaking, guidance and interpretation by the applicable federal regulators. We will continue to evaluate the impact of any new regulations so promulgated, including changes in regulatory costs and fees, modifications to consumer products or disclosures required by the CFPB and the requirements of the enhanced supervision provisions, among others.

Permissible Activities under the BHC Act

In general, the BHC Act limits the activities permissible for BHCs to the business of banking, managing or controlling banks and such other activities as the Federal Reserve has determined to be so closely related to banking as to be properly incidental thereto. A BHC electing to be treated as a financial holding company, like Regions, may also engage in a range of activities that are (i) financial in nature or incidental to such financial activity or (ii) complementary to a financial activity and that do not pose a substantial risk to the safety and soundness of a depository institution or to the financial system generally. These activities include securities dealing, underwriting and market making, insurance underwriting and agency activities, merchant banking and insurance company portfolio investments. For a BHC to be eligible to elect financial holding company status, all of its subsidiary insured depository institutions must be well-capitalized and well-managed as described below under "-Regulatory Remedies under the FDIA" and must have received at least a satisfactory rating on such institution's most recent examination under CRA. The BHC itself must also be well-capitalized and well-managed in order to be eligible to elect financial holding company status. If a financial holding company fails to continue to be well-capitalized or well-managed after engaging in activities not permissible for BHCs that have not elected to be treated as financial holding companies, the company must enter into an agreement with the Federal Reserve to comply with all applicable capital and management requirements. If the company does not return to compliance within 180 days, the Federal Reserve may order the company to divest its subsidiary banks or the company may be required to discontinue or divest investments in companies engaged in activities permissible only for a BHC electing to be treated as a financial holding company. Furthermore, if the Federal Reserve determines that a financial holding company has not maintained a CRA rating of at least "satisfactory" (as is currently the case for Regions), the financial holding company would not be able to commence any new financial activities or acquire a company that engages in such activities, although the financial holding company would still be allowed to engage in activities closely related to banking and make investments in the ordinary course of conducting banking activities.

The BHC Act does not place territorial restrictions on permissible non-banking activities of BHCs. The Federal Reserve has the power to order any BHC or its subsidiaries to terminate any activity or to terminate its ownership or control of any subsidiary when the Federal Reserve has reasonable grounds to believe that continuation of such activity or such ownership or control constitutes a serious risk to the financial soundness, safety or stability of any bank subsidiary of the BHC.

Capital Requirements

Regions and Regions Bank are each required to comply with applicable capital adequacy standards established by the Federal Reserve. The current risk-based capital standards applicable to Regions and Regions Bank, parts of which are currently in the process of being phased in, are based on the December 2010 final capital framework for strengthening international capital standards, known as Basel III, of the Basel Committee.

Prior to January 1, 2015, the risk-based capital standards applicable to Regions and Regions Bank (the "general risk-based capital rules") were based on the 1988 Capital Accord, known as Basel I, of the Basel Committee. In July 2013, the federal bank regulators approved the final Basel III Rules implementing the Basel III framework as well as certain provisions of the Dodd-Frank Act. The Basel III Rules substantially revised the risk-based capital requirements applicable to BHCs and their depository institution subsidiaries, including Regions and Regions Bank, as compared to the general risk-based capital rules. The Basel III Rules became effective for Regions and Regions Bank on January 1, 2015 (subject to a phase-in period for certain provisions).

The Basel III Rules, among other things, (i) introduce a new capital measure called CET1, (ii) specify that Tier 1 capital consists of CET1 and "Additional Tier 1 capital" instruments meeting certain revised requirements, (iii) define CET1 narrowly by requiring that most deductions/adjustments to regulatory capital measures be made to CET1 and not to the other components of capital, and (iv) expand the scope of the deductions/adjustments to capital as compared to existing regulations.

Under the Basel III Rules, the minimum capital ratios effective as of January 1, 2015 are:

• 4.5% CET1 to risk-weighted assets;

• 6.0% Tier 1 capital (that is, CET1 plus Additional Tier 1 capital) to risk-weighted assets; and

• 8.0% Total capital (that is, Tier 1 capital plus Tier 2 capital) to risk-weighted assets.

The Basel III Rules also introduce a new capital conservation buffer designed to absorb losses during periods of economic stress. The capital conservation buffer is composed entirely of CET1, on top of these minimum risk-weighted asset ratios. In addition, the Basel III Rules provide for a countercyclical capital buffer applicable only to certain covered institutions. We do not expect the countercyclical capital buffer to be applicable to Regions or Regions Bank. Banking institutions with a ratio of CET1 to risk-weighted assets above the minimum but below the capital conservation buffer (or below the combined capital conservation buffer and countercyclical capital buffer, when the latter is applied) will face constraints on dividends, equity repurchases and compensation based on the amount of the shortfall.

When fully phased in on January 1, 2019, the Basel III Rules will require Regions and Regions Bank to maintain an additional capital conservation buffer of 2.5% of CET1, effectively resulting in minimum ratios of (i) CET1 to risk-weighted assets of at least 7%, (ii) Tier 1 capital to risk-weighted assets of at least 8.5%, and (iii) Total capital to risk-weighted assets of at least 10.5%.

The Basel III Rules also provide for a number of deductions from and adjustments to CET1. These include, for example, the requirement that MSRs, certain deferred tax assets and significant investments in non-consolidated financial entities be deducted from CET1 to the extent that any one such category exceeds 10% of CET1 or all such items, in the aggregate, exceed 15% of CET1.

Implementation of the deductions and other adjustments to CET1 began on January 1, 2015 and will be phased in over a 4-year period (beginning at 40% on January 1, 2015 and an additional 20% per year thereafter). The implementation of the capital conservation buffer began on January 1, 2016 at the 0.625% level and will be phased in over a 4-year period (increasing by that amount on each subsequent January 1, until it reaches 2.5% on January 1, 2019).

The Basel III Rules prescribe a new standardized approach for risk weightings that expands the risk-weighting categories from the four Basel I-derived categories (0%, 20%, 50% and 100%) to a much larger and more risk-sensitive number of categories, depending on the nature of the assets, generally ranging from 0% for U.S. government and agency securities, to 600% for certain equity exposures, and resulting in higher risk weights for a variety of asset classes.

Leverage Requirements.

BHCs and banks are also required to comply with minimum leverage ratio requirements. These requirements provide for a minimum ratio of Tier 1 capital to total consolidated quarterly average assets (as defined for regulatory purposes), net of the loan loss reserve, goodwill and certain other intangible assets (the "leverage ratio"), of 4.0% for all BHCs.

Liquidity Regulation.

Liquidity risk management and supervision have become increasingly important since the financial crisis. During 2014, the federal banking agencies adopted final rules implementing for certain U.S. banking organizations one of the two new standards provided for in the Basel III liquidity framework - its LCR, which is designed to ensure that a covered bank or BHC maintains an adequate level of unencumbered high-quality liquid assets equal to the entity's expected net cash outflow for a 30-day time horizon under an acute liquidity stress scenario. The LCR rule, as adopted, applies in its most comprehensive form only to advanced approaches BHCs and depository institutions subsidiaries of such BHCs and, in a modified form, to BHCs that are not advanced approaches BHCs but have $50 billion or more in total consolidated assets such as Regions. The rule is currently being phased in with 90% compliance required on January 1, 2016 and 100% compliance required on January 1, 2017. Regions is required to calculate its LCR on a monthly basis. If a covered company fails to meet the required LCR, it must promptly notify its primary federal banking regulator and may be required to take remedial actions. Under a rule proposed by the Federal Reserve in November 2015, Regions would be required to disclose publicly information about certain components of its LCR beginning January 1, 2018. At December 31, 2015, Regions' LCR was above the January 1, 2016 requirement of 90%.

The Basel III framework also included a second standard, referred to as the NSFR, which is designed to promote more medium- and long-term funding of the assets and activities of banks over a one-year time horizon. Although the Basel committee finalized its formulation of the NSFR in 2014 and contemplated a January 1, 2018 effective date, the U.S. banking agencies have not yet proposed an NSFR for application to U.S. banking organizations or addressed the scope of banking organizations to which it will apply.

Comprehensive Capital Analysis and Review and Stress Testing

As part of the enhanced prudential requirements applicable to systemically important financial institutions, the Federal Reserve conducts annual analyses of BHCs with at least $50 billion in assets to determine whether the companies have sufficient capital on a consolidated basis necessary to absorb losses in three economic and financial scenarios generated by the Federal Reserve: baseline, adverse and severely adverse. Regions is also required to conduct its own semi-annual stress analysis (together with the Federal Reserve's stress analysis, the "stress tests") to assess the potential impact on Regions of the economic and financial conditions used as part of the Federal Reserve's annual stress analysis. The Federal Reserve may also use, and require companies to use, additional components in the adverse and severely adverse scenarios or additional or more complex scenarios designed to capture salient risks to specific business groups. Regions Bank is also required to conduct annual stress testing using the same economic and financial scenarios as Regions and report the results to the Federal Reserve. A summary of results of the Federal Reserve's analysis under the adverse and severely adverse stress scenarios are publicly disclosed, and the BHCs subject to the rules, including Regions, must disclose a summary of the company-run severely adverse stress test results. Regions is required to include in its disclosure a summary of the severely adverse scenario stress test conducted by Regions Bank.

U.S. BHCs with total consolidated assets of $50 billion or more, such as Regions, must develop and maintain a capital plan, and must submit the capital plan to the Federal Reserve as part of the Federal Reserve's CCAR process. The CCAR process is intended to help ensure that these BHCs have robust, forward-looking capital planning processes that account for each company's unique risks and that permit continued operations during times of economic and financial stress. Each of the BHCs participating in the CCAR process is also required to collect and report certain related data to the Federal Reserve on a quarterly basis to allow the Federal Reserve to monitor progress against the approved capital plans. Each capital plan must include a view of capital adequacy under the stress test scenarios described below. The Federal Reserve may object to a capital plan if the plan does not show that the covered BHC has sufficient capital to continue operations under expected conditions and stressed scenarios throughout the nine-quarter planning horizon covered by the capital plan. The CCAR rules, consistent with prior Federal Reserve guidance,

also provide that capital plans contemplating dividend payout ratios exceeding 30% of after-tax net income will receive particularly close scrutiny.

In addition to other limitations, our ability to make any capital distributions (including dividends and share repurchases) is contingent on the Federal Reserve's non-objection to our capital plan under both quantitative and qualitative tests. Should the Federal Reserve object to a capital plan, a bank holding company may not make any capital distribution other than those capital distributions to which the Federal Reserve has indicated its non-objection in writing. Beginning in 2016, our annual capital planning submission will be due by April 5 (instead of January 5 as previously required) and the Federal Reserve will publish the results of its supervisory CCAR review of our capital plan by June 30 (instead of March 31) of each year.

Due to the importance and intensity of the stress tests and the CCAR process, we have dedicated significant resources to comply with stress testing and capital planning requirements and expect to continue to do so in the future.

Safety and Soundness Standards

Guidelines adopted by the federal bank regulatory agencies pursuant to the FDIA, establish general standards relating to internal controls and information systems, internal audit systems, loan documentation, credit underwriting, interest rate exposure, asset growth and compensation, fees and benefits. In general, these guidelines require, among other things, appropriate systems and practices to identify and manage the risk and exposures specified in the guidelines. Additionally, the agencies adopted regulations that authorize, but do not require, an agency to order an institution that has been given notice by an agency that it is not satisfying any of such safety and soundness standards to submit a compliance plan. If, after being so notified, an institution fails to submit an acceptable compliance plan or fails in any material respect to implement an acceptable compliance plan, the agency must issue an order directing action to correct the deficiency and may issue an order directing other actions of the types to which an undercapitalized institution is subject under the FDIA. See "-Regulatory Remedies under the FDIA" below. If an institution fails to comply with such an order, the agency may seek to enforce such order in judicial proceedings and to impose civil money penalties.

Regulatory Remedies under the FDIA

The FDIA requires the federal banking agencies to take prompt corrective action in respect of depository institutions that do not meet specified capital requirements. The FDIA establishes five capital categories ("well-capitalized," "adequately capitalized," "undercapitalized," "significantly undercapitalized" and "critically undercapitalized"), and the federal banking agencies must take certain mandatory supervisory actions, and are authorized to take other discretionary actions, with respect to institutions which are undercapitalized, significantly undercapitalized or critically undercapitalized. The severity of these mandatory and discretionary supervisory actions depends upon the capital category in which the institution is placed. Generally, subject to a narrow exception, the FDIA requires the banking regulator to appoint a receiver or conservator for an institution that is critically undercapitalized. As of December 31, 2015, both Regions and Regions Bank were well-capitalized.

An institution that is classified as well-capitalized based on its capital levels may be treated as adequately capitalized, and an institution that is adequately capitalized or undercapitalized based upon its capital levels may be treated as though it were undercapitalized or significantly undercapitalized, respectively, if the appropriate federal banking agency, after notice and opportunity for hearing, determines that an unsafe or unsound condition or an unsafe or unsound practice warrants such treatment.

An institution that is categorized as undercapitalized, significantly undercapitalized or critically undercapitalized is required to submit an acceptable capital restoration plan to its appropriate federal banking regulator. Under the FDIA, in order for the capital restoration plan to be accepted by the appropriate federal banking agency, a BHC must guarantee that a subsidiary depository institution will comply with its capital restoration plan, subject to certain limitations. The BHC must also provide appropriate assurances of performance. The obligation of a controlling BHC under the FDIA to fund a capital restoration plan is limited to the lesser of 5.0% of an undercapitalized subsidiary's assets or the amount required to meet regulatory capital requirements. An undercapitalized institution is also generally prohibited from increasing its average total assets, making acquisitions, establishing any branches or engaging in any new line of business, except in accordance with an accepted capital restoration plan or with the approval of the FDIC. Institutions that are significantly undercapitalized or undercapitalized and either fail to submit an acceptable capital restoration plan or fail to implement an approved capital restoration plan may be subject to a number of requirements and restrictions, including orders to sell sufficient voting stock to become adequately capitalized, requirements to reduce total assets and cessation of receipt of deposits from correspondent banks. Critically undercapitalized depository institutions failing to submit or implement an acceptable capital restoration plan are subject to appointment of a receiver or conservator.

Additionally, FDIA requires the various regulatory agencies to prescribe certain non-capital standards for safety and soundness relating generally to operations and management, asset quality, and executive compensation and permits regulatory action against a financial institution that does not meet such standards. Regulators also must take into consideration: (i) concentrations of credit risk; (ii) interest rate risk (when the interest rate sensitivity of an institution's assets does not match the sensitivity of its liabilities or its off-balance sheet position); and (iii) risks from non-traditional activities, as well as an institution's ability to manage those risks, when determining the adequacy of an institution's capital. Regulators make this evaluation as a part of their regular examination of the institution's safety and soundness. Additionally, regulators may choose to examine other factors in order to evaluate the safety and soundness of financial institutions.

Payment of Dividends

We are a legal entity separate and distinct from our banking and other subsidiaries. The principal source of cash flow to us, including cash flow to pay dividends to our stockholders and principal and interest on any of our outstanding debt, is dividends from Regions Bank. There are statutory and regulatory limitations on the payment of dividends by Regions Bank to us, as well as by us to our stockholders.

If, in the opinion of a federal bank regulatory agency, an institution under its jurisdiction is engaged in or is about to engage in an unsafe or unsound practice (which, depending on the financial condition of the institution, could include the payment of dividends), such agency may require, after notice and hearing, that such institution cease and desist from such practice. The federal bank regulatory agencies have indicated that paying dividends that deplete an institution's capital base to an inadequate level would be an unsafe and unsound banking practice. Under the FDIA, an insured institution may not pay a dividend if payment would cause it to become undercapitalized or if it already is undercapitalized. See "-Regulatory Remedies under the FDIA" above. Moreover, the Federal Reserve and the FDIC have issued policy statements stating that BHCs and insured banks should generally pay dividends only out of current operating earnings.

Payment of Dividends by Regions Bank . Under the Federal Reserve's Regulation H, Regions Bank may not, without approval of the Federal Reserve, declare or pay a dividend to us if the total of all dividends declared in a calendar year exceeds the total of (a) Regions Bank's net income for that year and (b) its retained net income for the preceding two calendar years, less any required transfers to additional paid-in capital or to a fund for the retirement of preferred stock.

Under Alabama law, Regions Bank may not pay a dividend in excess of 90% of its net earnings until the bank's surplus is equal to at least 20% of capital. Regions Bank is also required by Alabama law to seek the approval of the Alabama Superintendent of Banking prior to the payment of dividends if the total of all dividends declared by Regions Bank in any calendar year will exceed the total of (a) Regions Bank's net earnings for that year, plus (b) its retained net earnings for the preceding two years, less any required transfers to surplus. The statute defines net earnings as the remainder of all earnings from current operations plus actual recoveries on loans and investments and other assets, after deducting from the total thereof all current operating expenses, actual losses, accrued dividends on preferred stock, if any, and all federal, state and local taxes. Regions Bank cannot, without approval from the Federal Reserve and the Alabama Superintendent of Banking, declare or pay a dividend to Regions unless Regions Bank is able to satisfy the criteria discussed above.

Payment of Dividends by Regions . Our payment of dividends to our stockholders is subject to the oversight of the Federal Reserve. In particular, the dividend policies and share repurchases of a large BHC, such as Regions, are reviewed by the Federal Reserve based on capital plans submitted as part of the CCAR process and stress tests as submitted by the BHC, and will be assessed against, among other things, the BHC's ability to achieve the required capital ratios under the Basel III Rules as they are phased in by U.S. regulators. See "-Capital Requirements" and "-Comprehensive Capital Analysis and Review and Stress Testing" above.

Support of Subsidiary Banks

Under longstanding Federal Reserve policy, which has been codified by the Dodd-Frank Act, Regions is expected to act as a source of financial strength to, and to commit resources to support, its subsidiary bank. This support may be required at times when Regions may not be inclined to provide it. In addition, any capital loans by a BHC to its subsidiary bank are subordinate in right of payment to deposits and to certain other indebtedness of such subsidiary bank. In the event of a BHC's bankruptcy, any commitment by the BHC to a federal bank regulatory agency to maintain the capital of a subsidiary bank will be assumed by the bankruptcy trustee and entitled to a priority of payment.

Transactions with Affiliates

There are various legal restrictions governing transactions between Regions and its non-bank subsidiaries, on the one hand, and Regions Bank and its subsidiaries, on the other hand, including the extent to which Regions and its non-bank subsidiaries may borrow or otherwise obtain funding from Regions Bank. In general, any "covered transaction" by Regions Bank (or its subsidiaries) with an affiliate that is an extension of credit must be secured by designated amounts of specified collateral and must be limited to (i) in the case of any single such affiliate, the aggregate amount of covered transactions of Regions Bank and its subsidiaries may not exceed 10% of the capital stock and surplus of Regions Bank, and (ii) in the case of all affiliates, the aggregate amount of covered transactions of Regions Bank and its subsidiaries may not exceed 20% of the capital stock and surplus of Regions Bank. Covered transactions are defined to include, among other things, a loan or extension of credit, as well as a purchase of securities issued by an affiliate, a purchase of assets (unless otherwise exempted by the Federal Reserve) from the affiliate, the acceptance of securities issued by the affiliate as collateral for a loan, derivatives transactions and securities lending transactions where the bank has credit exposure to an affiliate, and the issuance of a guarantee, acceptance or letter of credit on behalf of an affiliate. All covered transactions, including certain additional transactions (such as transactions with a third party in which an affiliate has a financial interest), must be conducted on market terms. The Dodd-Frank Act significantly enhanced and expanded the scope and coverage of these limitations, in particular, by including within its scope derivative transactions by and between Regions Bank or its subsidiaries and Regions or its other subsidiaries. The Federal Reserve enforces these restrictions and audits Regions for compliance.

Deposit Insurance

Regions Bank accepts deposits, and those deposits have the benefit of FDIC insurance up to the applicable limits. Under the FDIA, insurance of deposits may be terminated by the FDIC upon a finding that the insured depository institution has engaged in unsafe and unsound practices, is in an unsafe or unsound condition to continue operations or has violated any applicable law, regulation, rule, order or condition imposed by a bank's federal regulatory agency.

Deposit Insurance Assessments. Regions Bank pays deposit insurance premiums to the FDIC based on an assessment rate established by the FDIC. FDIC assessment rates for large institutions are calculated based on one of two scorecards, one for most large institutions that have more than $10 billion in assets, such as Regions Bank, and another for "highly complex" institutions that have over $50 billion in assets and are fully owned by a parent with over $500 billion in assets. Each scorecard has a performance score and a loss-severity score that are combined to produce a total score, which is translated into an initial assessment rate. In calculating these scores, the FDIC utilizes the CAMELS ratings, as well as forward-looking financial measures to assess an institution's ability to withstand asset-related stress and funding-related stress. The FDIC has the ability to make discretionary adjustments to the total score, up or down, based upon significant risk factors that are not adequately captured in the scorecard. The total score is then translated to an initial base assessment rate on a non-linear, sharply-increasing scale. For large institutions, including Regions Bank, the initial base assessment rate ranges from 5 to 35 basis points on an annualized basis (basis points representing cents per $100). After the effect of potential base-rate adjustments, the total base assessment rate could range from 2.5 to 45 basis points on an annualized basis. The deposit insurance assessment base is calculated based on the average of consolidated total assets less the average tangible equity of the insured depository institution during the assessment period. During 2015, Regions Bank's FDIC insurance assessments were $105 million, a $30 million increase from 2014, which included a $23 million adjustment to prior assessments recorded in the third quarter of 2015.

The FDIA establishes a minimum ratio of deposit insurance reserves to estimated insured deposits, the designated reserve ratio (the "DRR"), of 1.15% prior to September 2020 and 1.35% thereafter. On December 20, 2010, the FDIC issued a final rule setting the DRR at 2%. The FDIC will, at least semi-annually, update its income and loss projections for the DIF and, if necessary, propose rules to further increase assessment rates. In addition, on January 12, 2010, the FDIC announced that it would seek public comment on whether banks with compensation plans that encourage risky behavior should be charged higher deposit assessment rates than such banks would otherwise be charged. Comments were due February 18, 2010. As of February 2016, no rule has been adopted.We cannot predict whether, as a result of an adverse change in economic conditions or other reasons, the FDIC will increase deposit insurance assessment levels in the future. Additionally, in October 2015, the FDIC proposed to impose a surcharge on the quarterly assessments of insured depository institutions with total consolidated assets of $10 billion or more. This would result in increased costs for Regions Bank. We currently estimate that the surcharge, if implemented as proposed, would increase our FDIC insurance assessments by approximately $5 million per quarter; however, the ultimate impact on our business of this proposal will depend on a number of factors, including the final details of its implementation by the FDIC. For more information, see the "FDIC Insurance Assessments" section of Item 7. "Management's Discussion and Analysis of Financial Condition and Results of Operations" of this Annual Report on Form 10-K.

FICO Assessments . In addition, the Deposit Insurance Funds Act of 1996 authorized the Financing Corporation ("FICO") to impose assessments on DIF applicable deposits in order to service the interest on FICO's bond obligations from deposit insurance fund assessments. The amount assessed on individual institutions by FICO will be in addition to the amount, if any, paid for deposit insurance according to the FDIC's risk-related assessment rate schedules. FICO assessment rates may be adjusted quarterly to reflect a change in assessment base. Regions Bank had a FICO assessment of approximately $6 million in FDIC deposit premiums in 2015, which was included in the $105 million in total FDIC insurance assessments previously disclosed.

Acquisitions

The BHC Act requires every BHC to obtain the prior approval of the Federal Reserve before: (1) it may acquire direct or indirect ownership or control of any voting shares of any bank or savings and loan association, if after such acquisition, the BHC will directly or indirectly own or control 5% or more of the voting shares of the institution; (2) it or any of its subsidiaries, other than a bank, may acquire all or substantially all of the assets of any bank or savings and loan association; or (3) it may merge or consolidate with any other BHC. BHCs with consolidated assets exceeding $50 billion must (i) obtain prior approval from the Federal Reserve before acquiring certain non-bank financial companies with assets exceeding $10 billion and (ii) provide prior written notice to the Federal Reserve before acquiring direct or indirect ownership or control of any voting shares of any company having consolidated assets of $10 billion or more. BHCs seeking approval to complete an acquisition must be well-capitalized and well-managed.

The BHC Act further provides that the Federal Reserve may not approve any transaction that would result in a monopoly or would be in furtherance of any combination or conspiracy to monopolize or attempt to monopolize the business of banking in any section of the U.S., or the effect of which may be substantially to lessen competition or to tend to create a monopoly in any section of the country, or that in any other manner would be in restraint of trade, unless the anticompetitive effects of the proposed transaction are clearly outweighed by the public interest in meeting the convenience and needs of the community to be served. The Federal Reserve is also required to consider the financial and managerial resources and future prospects of the BHCs and banks concerned and the convenience and needs of the community to be served. Consideration of financial resources generally

focuses on capital adequacy, and the consideration of convenience and needs of the community to be served includes the parties' performance under the CRA. The Federal Reserve must also take into account the institutions' effectiveness in combating money laundering. In addition, pursuant to the Dodd-Frank Act, the BHC Act was amended to require the Federal Reserve to, when evaluating a proposed transaction, consider the extent to which the transaction would result in greater or more concentrated risks to the stability of the U.S. banking or financial system.

Depositor Preference

Under federal law, depositors and certain claims for administrative expenses and employee compensation against an insured depository institution would be afforded a priority over other general unsecured claims against such an institution in the "liquidation or other resolution" of such an institution by any receiver.

Volcker Rule

The Dodd-Frank Act prohibits banks and their affiliates from engaging in proprietary trading and investing in, sponsoring and having certain relationships with private funds such as hedge funds or private equity funds that would be an investment company for purposes of the Investment Company Act of 1940 but for the exclusions in sections 3(c)(1) or 3(c)(7) of that act. The statutory provision is commonly called the "Volcker Rule." In December 2013, federal regulators adopted final rules to implement the Volcker Rule, which became effective in July 2015. The final rules also require that large BHCs, such as Regions, design and implement compliance programs to ensure adherence to the Volcker Rule's prohibitions. Development and monitoring of the required compliance program may require the expenditure of resources and management attention.

Consumer Protection Laws

We are subject to a number of federal and state consumer protection laws, including laws designed to protect customers and promote lending to various sectors of the economy and population. These laws include, but are not limited to the Equal Credit Opportunity Act, the Fair Credit Reporting Act, the Truth in Lending Act, the Home Mortgage Disclosure Act, the Real Estate Settlement Procedures Act, the Truth in Savings Act, the Electronic Funds Transfer Act, and their respective state law counterparts.

The CFPB has broad rulemaking, supervisory and enforcement powers under various federal consumer financial protection laws, including the laws referenced above, fair lending laws and certain other statutes. The CFPB also has examination and primary enforcement authority with respect to depository institutions with $10 billion or more in assets, including the authority to prevent unfair, deceptive or abusive practices in connection with the offering of consumer financial products.

The Dodd-Frank Act permits states to adopt consumer protection laws and standards that are more stringent than those adopted at the federal level and, in certain circumstances, permits state attorneys general to enforce compliance with both the state and federal laws and regulations.

The CFPB has finalized a number of significant rules, including rules that impact nearly every aspect of the lifecycle of a residential mortgage loan. These rules implement the Dodd-Frank Act amendments to the Equal Credit Opportunity Act, the Truth in Lending Act and the Real Estate Settlement Procedures Act. Among other things, the rules adopted by the CFPB require banks to: (i) develop and implement procedures to ensure compliance with a "reasonable ability to repay" test and identify whether a loan meets a new definition for a "qualified mortgage," in which case a rebuttable presumption exists that the creditor extending the loan has satisfied the reasonable ability to repay test; (ii) implement new or revised disclosures, policies and procedures for originating and servicing mortgages including, but not limited to, pre-loan counseling, early intervention with delinquent borrowers and specific loss mitigation procedures for loans secured by a borrower's principal residence; (iii) comply with additional restrictions on mortgage loan originator hiring and compensation; (iv) comply with new disclosure requirements and standards for appraisals and certain financial products; and (v) maintain escrow accounts for higher-priced mortgage loans for a longer period of time. Regions is continuing to analyze the impact that such rules may have on its business.

Financial Privacy and Cybersecurity

The federal banking regulators have adopted rules that limit the ability of banks and other financial institutions to disclose non-public information about consumers to non-affiliated third parties. These limitations require disclosure of privacy policies to consumers and, in some circumstances, allow consumers to prevent disclosure of certain personal information to a non-affiliated third party. These regulations affect how consumer information is transmitted through diversified financial companies and conveyed to outside vendors. In addition, consumers may also prevent disclosure of certain information among affiliated companies that is assembled or used to determine eligibility for a product or service, such as that shown on consumer credit reports and asset and income information from applications. Consumers also have the option to direct banks and other financial institutions not to share information about transactions and experiences with affiliated companies for the purpose of marketing products or services.

In March 2015, federal regulators issued two related statements regarding cybersecurity. One statement indicates that financial institutions should design multiple layers of security controls to establish lines of defense and to ensure that their risk management processes also address the risk posed by compromised customer credentials, including security measures to reliably authenticate customers accessing Internet-based services of the financial institution. The other statement indicates that a financial institution's management is expected to maintain sufficient business continuity planning processes to ensure the rapid recovery, resumption and maintenance of the institution's operations after a cyber attack involving destructive malware. A financial institution is also

expected to develop appropriate processes to enable recovery of data and business operations and address rebuilding network capabilities and restoring data if the institution or its critical service providers fall victim to this type of cyber attack. The Regions Information Security Program reflects the requirements of this guidance. If, however, we fail to observe the regulatory guidance in the future, we could be subject to various regulatory sanctions, including financial penalties.

Community Reinvestment Act

Regions Bank is subject to the provisions of the CRA. Under the terms of the CRA, Regions Bank has a continuing and affirmative obligation, consistent with safe and sound operation, to help meet the credit needs of its communities, including providing credit to individuals residing in low- and moderate-income neighborhoods. The CRA does not establish specific lending requirements or programs for financial institutions nor does it limit an institution's discretion to develop the types of products and services that it believes are best suited to its particular community, so long as they are consistent with the CRA. The CRA requires each appropriate federal bank regulatory agency, in connection with its examination of a depository institution, to assess such institution's record in assessing and meeting the credit needs of the community served by that institution, including low- and moderate-income neighborhoods. The regulatory agency's assessment of the institution's record is made available to the public. The assessment also is part of the Federal Reserve's consideration of applications to acquire, merge or consolidate with another banking institution or its holding company, to establish a new branch office that will accept deposits or to relocate an office. In the case of a BHC applying for approval to acquire a bank or other BHC, the Federal Reserve will assess the records of each subsidiary depository institution of the applicant BHC, and such records may be the basis for denying the application.

In 2014, the Federal Reserve Bank of Atlanta began a regularly scheduled CRA examination of Regions Bank covering 2012 and 2013 performance. This review included, among other things, a review of Regions Bank's previously disclosed public consent orders. As a result of the examination, the results of which were communicated during the fourth quarter of 2015, Regions Bank received "High Satisfactory" ratings on its CRA components, but its overall CRA rating was downgraded from "Satisfactory" to "Needs to Improve." The downgrade was attributed to the matters underlying Regions Bank's April 2015 public consent order with the CFPB related to overdrafts and Regulation E. Regions Bank had self-reported these matters and provided remuneration during  2011 and 2012. This downgrade imposes restrictions on the Company's ability to undertake certain activities, including mergers and acquisitions of insured depository institutions and applications to open branches or certain other facilities until such time as the rating is improved. Regions Bank's next CRA examination is expected to commence during 2016, although the actual timing of the examination and any results therefrom will not be known until later.

Anti-Money Laundering

A continued focus of governmental policy relating to financial institutions in recent years has been combating money laundering and terrorist financing. The USA PATRIOT Act broadened the application of anti-money laundering regulations to apply to additional types of financial institutions such as broker-dealers, investment advisors and insurance companies, and strengthened the ability of the U.S. Government to help prevent, detect and prosecute international money laundering and the financing of terrorism. The principal provisions of Title III of the USA PATRIOT Act require that regulated financial institutions, including state member banks: (i) establish an anti-money laundering program that includes training and audit components; (ii) comply with regulations regarding the verification of the identity of any person seeking to open an account; (iii) take additional required precautions with non-U.S. owned accounts; and (iv) perform certain verification and certification of money laundering risk for their foreign correspondent banking relationships. Failure of a financial institution to comply with the USA PATRIOT Act's requirements could have serious legal and reputational consequences for the institution. Regions' banking and insurance subsidiaries have augmented their systems and procedures to meet the requirements of these regulations and will continue to revise and update their policies, procedures and controls to reflect changes required by the USA PATRIOT Act and implementing regulations. The USA PATRIOT Act also requires federal banking regulators to evaluate the effectiveness of an applicant in combating money laundering in determining whether to approve a proposed bank acquisition.

In 2014, the Financial Crimes Enforcement Network, which drafts regulations implementing the USA PATRIOT Act and other anti-money laundering and bank secrecy act legislation, proposed a rule that would require financial institutions to obtain beneficial ownership information with respect to all legal entities with which such institutions conduct business. The scope and compliance requirements of such a rule have yet to be formalized or completed. Bank regulators are focusing their examinations on anti-money laundering compliance, and we continue to monitor and augment, where necessary, our anti-money laundering compliance programs.

Office of Foreign Assets Control Regulation

The U.S. has imposed economic sanctions that affect transactions with designated foreign countries, nationals and others. These are typically known as the "OFAC" rules based on their administration by the U.S. Treasury Department Office of Foreign Assets Control. The OFAC-administered sanctions targeting countries take many different forms. Generally, however, they contain one or more of the following elements: (i) restrictions on trade with or investment in a sanctioned country, including prohibitions against direct or indirect imports from and exports to a sanctioned country and prohibitions on U.S. persons engaging in financial transactions relating to, making investments in, or providing investment-related advice or assistance to, a sanctioned country; and (ii) a blocking of assets in which the government or specially designated nationals of the sanctioned country have an interest, by prohibiting transfers of property subject to U.S. jurisdiction (including property in the possession or control of U.S. persons). Blocked assets (e.g., property and bank deposits) cannot be paid out, withdrawn, set off or transferred in any manner without a license from OFAC. Failure to comply with these sanctions could have serious legal and reputational consequences.

Regulation of Insurers and Insurance Brokers

Our operations in the areas of insurance brokerage and reinsurance of credit life insurance are subject to regulation and supervision by various state insurance regulatory authorities. Although the scope of regulation and form of supervision may vary from state to state, insurance laws generally grant broad discretion to regulatory authorities in adopting regulations and supervising regulated activities. This supervision generally includes the licensing of insurance brokers and agents and the regulation of the handling of customer funds held in a fiduciary capacity. Certain of our insurance company subsidiaries are subject to extensive regulatory supervision and to insurance laws and regulations requiring, among other things, maintenance of capital, record keeping, reporting and examinations.

Regulation of Broker Dealers

Our subsidiary Regions Securities is a registered broker-dealer with the SEC and, as a result, is subject to regulation and examination by the SEC, FINRA and other self-regulatory organizations. These regulations cover a broad range of issues, including capital requirements; sales and trading practices; use of client funds and securities; the conduct of directors, officers and employees; record-keeping and recording; supervisory procedures to prevent improper trading on material non-public information; qualification and licensing of sales personnel; and limitations on the extension of credit in securities transactions. In addition to federal registration, state securities commissions require the registration of certain broker-dealers.

Competition

All aspects of our business are highly competitive. Our subsidiaries compete with other financial institutions located in the states in which they operate and other adjoining states, as well as large banks in major financial centers and other financial intermediaries, such as savings and loan associations, credit unions, Internet banks, finance companies, mutual funds, insurance companies, brokerage and investment banking firms, mortgage companies and financial service operations of major commercial and retail corporations. We expect competition to intensify among financial services companies due to the sustained low interest rate and ongoing low-growth economic environment. Also, as banks in our footprint act to attain compliance with the LCR, there is a chance deposit pricing, particularly long-term time deposits could become even more competitive.     

Customers for banking services and other financial services offered by our subsidiaries are generally influenced by convenience, quality of service, personal contacts, price of services and availability of products. Although our position varies in different markets, we believe that our affiliates effectively compete with other financial services companies in their relevant market areas.

Employees

As of December 31, 2015, Regions and its subsidiaries had 23,916 employees.

Available Information

We maintain a website at www.regions.com . We make available on our website, free of charge, our annual reports on Form 10-K, quarterly reports on Form 10-Q and current reports on Form 8-K, and amendments to those reports that are filed with or furnished to the SEC pursuant to Section 13(a) of the Securities Exchange Act of 1934. These documents are made available on our website as soon as reasonably practicable after they are electronically filed with or furnished to the SEC. Also available on the website are our (i) Corporate Governance Principles, (ii) Code of Business Conduct and Ethics, (iii) Code of Ethics for Senior Financial Officers, (iv) Fair Disclosure Policy Summary, and (v) the charters of our Nominating and Corporate Governance Committee, Audit Committee, Compensation Committee and Risk Committee.

Item 1A. Risk Factors

An investment in the Company involves risk, some of which, including market, liquidity, credit, operational, reputational, legal and regulatory risks, could be substantial and is inherent in our business. This risk also includes the possibility that the value of the investment could decrease considerably, and dividends or other distributions concerning the investment could be reduced or eliminated. Discussed below are risk factors that could adversely affect our financial results and condition, as well as the value of, and return on investment in the Company.

Risks Related to the Operation of Our Business

Our businesses have been, and may continue to be, adversely affected by conditions in the financial markets and economic conditions generally.

We provide traditional commercial, retail and mortgage banking services, as well as other financial services including asset management, wealth management, securities brokerage, insurance, merger-and-acquisition advisory services and other specialty financing. All of our businesses are materially affected by conditions in the financial markets and economic conditions generally or specifically in the Southeastern U.S., the principal markets in which we conduct business. A worsening of business and economic conditions generally or specifically in the principal markets in which we conduct business could have adverse effects on our business, including the following:

Overall, during the past several years, the general business environment has had an adverse effect on our business. Although the general business environment has shown some improvement, there can be no assurance that it will continue to improve. Since 2008, the federal government and the Federal Reserve have intervened in an unprecedented manner in an effort to provide stability and liquidity to the financial markets, including by implementing monetary policy measures designed to stabilize and stimulate the U.S. economy. There can be no assurance that the federal government and the Federal Reserve will continue to intervene or that the measures undertaken by the federal government and the Federal Reserve will result in continued improvement in the general business environment or in the business environments in the principal markets in which we do business. Additionally, the improvement of certain economic indicators, such as real estate asset values and rents and unemployment, may vary between geographic markets and in our principal markets may continue to lag behind improvement in the overall economy. These economic indicators typically affect certain industries, such as real estate and financial services, more significantly than other economic sectors. Furthermore, financial services companies with a substantial lending business, like ours, are dependent upon the ability of their borrowers to make debt service payments on loans. If economic conditions worsen or remain volatile, our business, financial condition and results of operations could be materially adversely affected.

Ineffective liquidity management could adversely affect our financial results and condition.

Effective liquidity management is essential for the operation of our business. We require sufficient liquidity to meet customer loan requests, customer deposit maturities/withdrawals, payments on our debt obligations as they come due and other cash commitments under both normal operating conditions and other unpredictable circumstances causing industry or general financial market stress. Our access to funding sources in amounts adequate to finance our activities on terms that are acceptable to us could be impaired by factors that affect us specifically or the financial services industry or economy generally. Factors that could detrimentally impact our access to liquidity sources include a downturn in the geographic markets in which our loans and operations are concentrated or difficult credit markets. Our access to deposits may also be affected by the liquidity needs of our depositors. In particular, a majority of our liabilities during 2015 were checking accounts and other liquid deposits, which are payable on demand or upon several days' notice, while by comparison, a substantial majority of our assets were loans, which cannot be called or sold in the same time frame. Although we have historically been able to replace maturing deposits and advances as necessary, we might not be able to replace such funds in the future, especially if a large number of our depositors seek to withdraw their accounts, regardless of the reason. A failure to maintain adequate liquidity could materially and adversely affect our business, results of operations or financial condition.

Our operations are concentrated in the Southeastern U.S., and adverse changes in the economic conditions in this region can adversely affect our financial results and condition.

Our operations are concentrated in the Southeastern U.S., particularly in the states of Alabama, Arkansas, Georgia, Florida, Louisiana, Mississippi and Tennessee. As a result, local economic conditions in the Southeastern U.S. significantly affect the demand for the loans and other products we offer to our customers (including real estate, commercial and construction loans), the

ability of borrowers to repay these loans and the value of the collateral securing these loans. Since 2008, the national real estate market has experienced a significant decline in value, and the value of real estate in the Southeastern U.S. in particular declined significantly more than real estate values in the U.S. as a whole. This decline has had an adverse impact on some of our borrowers and on the value of the collateral securing many of our loans. Although real estate in many geographies has begun to show signs of improvement, this recent decline and any further declines in the future may continue to affect borrowers and collateral values, which could adversely affect our currently performing loans, leading to future delinquencies or defaults and increases in our provision for loan losses. Further or continued adverse changes in these economic conditions could materially adversely affect our business, results of operations or financial condition.

Weather-related events and other natural disasters, as well as man-made disasters, could cause a disruption in our operations or other consequences that could have an adverse impact on financial results and condition.

A significant portion of our operations are located in the areas bordering the Gulf of Mexico and the Atlantic Ocean, regions that are susceptible to hurricanes, or in areas of the Southeastern U.S. that are susceptible to tornadoes and other severe weather events. Many areas in the Southeastern U.S. have also experienced severe droughts and floods in recent years. Any of these or any other severe weather event could cause disruption to our operations and could have a material adverse effect on our overall business, results of operations or financial condition. While we maintain insurance covering many of these weather-related events, including coverage for lost profits and extra expense, there is no insurance against the disruption that a catastrophic earthquake, hurricane, tornado or other severe weather event could produce to the markets that we serve and the resulting adverse impact on our borrowers to timely repay their loans and the value of any collateral held by us. The severity and impact of future earthquakes, hurricanes, severe tornadoes, droughts, floods and other weather-related events are difficult to predict and may be exacerbated by global climate change. Man-made disasters and other events connected with the Gulf of Mexico or Atlantic Ocean, such as the 2010 Gulf oil spill, could have similar effects.

Weakness in the residential real estate markets could adversely affect our performance.

As of December 31, 2015, consumer residential real estate loans represented approximately 29% of our total loan portfolio. Declines in home values would adversely affect the value of collateral securing the residential real estate that we hold, as well as the volume of loan originations and the amount we realize on the sale of real estate loans. These factors could result in higher delinquencies and greater charge-offs in future periods, which could materially adversely affect our business, financial condition or results of operations.

Weakness in the commercial real estate markets could adversely affect our performance.

As of December 31, 2015, approximately 9% of our loan portfolio consisted of investor real estate loans. The properties securing income-producing investor real estate loans are typically not fully leased at the origination of the loan. The borrower's ability to repay the loan is instead dependent upon additional leasing through the life of the loan or the borrower's successful operation of a business. Weak economic conditions may impair a borrower's business operations and typically slow the execution of new leases. Such economic conditions may also lead to existing lease turnover. As a result of these factors, vacancy rates for retail, office and industrial space may increase. High vacancy rates could also result in rents falling. The combination of these factors could result in deterioration in the fundamentals underlying the commercial real estate market and the deterioration in value of some of our loans. Any such deterioration could adversely affect the ability of our borrowers to repay the amounts due under their loans. As a result, our business, results of operations or financial condition may be materially adversely affected.

Weakness in commodity businesses could adversely affect our performance.

Many of our borrowers operate in industries that are directly or indirectly impacted by changes in commodity prices. This includes agriculture, livestock, metals, timber, textiles and energy businesses (including oil, gas, and petrochemical), as well as businesses indirectly impacted by commodities prices such as businesses that transport commodities or manufacture equipment used in production of commodities. Changes in commodity products prices depend on local, regional and global events or conditions that affect supply and demand for the relevant commodity. These industries have been, and may in the future be, subject to significant volatility. In addition, legislative changes such as the elimination of certain tax incentives could have significant impacts on this portfolio.

Specifically, as of December 31, 2015, energy-related loan balances represented approximately 4% of our total loan portfolio. This amount is comprised of loans directly related to energy, such as oilfield services, exploration and production, and pipeline transportation of gas and crude oil, as well as loans indirectly impacted by the energy portfolio, such as petroleum wholesalers, oil and gas equipment manufacturing, air transportation, and petroleum bulk stations and terminals. Beginning late in 2014, oil prices began declining, which has had an adverse effect on some of our borrowers in this portfolio and on the value of the collateral securing some of these loans. If such downturn in the oil and gas industry continues, the cash flows of our customers in this industry could be adversely impacted, which could impair their ability to service any loans outstanding to them and/or reduce demand for loans. These factors could result in higher delinquencies and greater charge-offs in future periods, which could adversely affect our business, financial condition or results of operations.

If we experience greater credit losses in our loan portfolios than anticipated, our earnings may be materially adversely affected.

As a lender, we are exposed to the risk that our customers will be unable to repay their loans according to their terms and that any collateral securing the payment of their loans may not be sufficient to assure repayment. Credit losses are inherent in the business of making loans and could have a material adverse effect on our operating results.

We make various assumptions and judgments about the collectability of our loan portfolio and provide an allowance for estimated credit losses based on a number of factors. Our management periodically determines the allowance for loan losses based on available information, including the quality of the loan portfolio, economic conditions, the value of the underlying collateral and the level of non-accrual loans. Increases in this allowance will result in an expense for the period, thereby reducing our reported net income. If, as a result of general economic conditions, there is a decrease in asset quality or growth in the loan portfolio, our management determines that additional increases in the allowance for loan losses are necessary, we may incur additional expenses which will reduce our net income, and our business, results of operations or financial condition may be materially adversely affected.

Although our management will establish an allowance for loan losses it believes is appropriate to absorb probable and reasonably estimable losses in our loan portfolio, this allowance may not be adequate. For example, if a hurricane or other natural disaster were to occur in one of our principal markets or if economic conditions in those markets were to deteriorate unexpectedly, additional loan losses not incorporated in the existing allowance for loan losses may occur. Losses in excess of the existing allowance for loan losses will reduce our net income and could adversely affect our business, results of operations or financial condition, perhaps materially.

In addition, bank regulatory agencies will periodically review our allowance for loan losses and the value attributed to non-accrual loans and to real estate acquired through foreclosure. Such regulatory agencies may require us to adjust our determination of the value for these items. These adjustments could materially adversely affect our business, results of operations or financial condition.

Risks associated with home equity products where we are in a second lien position could materially adversely affect our performance.

Home equity products, particularly those where we are in a second lien position, and particularly those in certain geographic areas, may carry a higher risk of non-collection than other loans. Home equity lending includes both home equity loans and lines of credit. Of our $11.0 billion home equity portfolio at December 31, 2015, approximately $7.9 billion were home equity lines of credit and $3.1 billion were closed-end home equity loans (primarily originated as amortizing loans). This type of lending, which is secured by a first or second mortgage on the borrower's residence, allows customers to borrow against the equity in their home. Real estate market values at the time of origination directly affect the amount of credit extended, and, in addition, past and future changes in these values impact the depth of potential losses. Second lien position lending carries higher credit risk because any decrease in real estate pricing may result in the value of the collateral being insufficient to cover the second lien after the first lien position has been satisfied. As of December 31, 2015, approximately $4.3 billion of our home equity lines and loans were in a second lien position.

Industry competition may adversely affect our degree of success.

Our profitability depends on our ability to compete successfully. We operate in a highly competitive environment, and we expect competition to intensify due in part to the sustained low interest rate and ongoing low-growth economic environment. Certain of our competitors are larger and have more resources than we do, enabling them to be more aggressive than us in competing for loans and deposits. In our market areas, we face competition from other commercial banks, savings and loan associations, credit unions, Internet banks, finance companies, mutual funds, insurance companies, brokerage and investment banking firms, mortgage companies, and other financial intermediaries that offer similar services. Some of our non-bank competitors are not subject to the same extensive regulations we are and, therefore, may have greater flexibility in competing for business. In particular, the activity and prominence of so-called marketplace lenders have grown significantly over recent years and is expected to continue growing.

Our ability to compete successfully depends on a number of factors, including customer convenience, quality of service, personal contacts, pricing and range of products. If we are unable to successfully compete for new customers and to retain our current customers, our business, financial condition or results of operations may also be adversely affected, perhaps materially. In particular, if we experience an outflow of deposits as a result of our customers seeking investments with higher yields or greater financial stability, or a desire to do business with our competitors, we may be forced to rely more heavily on borrowings and other sources of funding to operate our business and meet withdrawal demands, thereby adversely affecting our net interest margin.

Fluctuations in market interest rates may adversely affect our performance.

Our profitability depends to a large extent on our net interest income and other financing income, which is the difference between the interest income received on interest-earning assets (primarily loans and investment securities) and the interest expense incurred in connection with interest-bearing liabilities (primarily deposits and borrowings). Net interest income and other financing income also includes rental income and depreciation expense associated with operating leases for which Regions is the lessor. The level of net interest income and other financing income is primarily a function of the average balance of interest-earning assets, the average balance of interest-bearing liabilities and the spread between the yield on such assets and the cost of such liabilities. These factors are influenced by both the pricing and mix of interest-earning assets and interest-bearing liabilities which, in turn, are impacted by external factors such as the local economy, competition for loans and deposits, the monetary policy of the FOMC and market interest rates.

The cost of our deposits and short-term wholesale borrowings is largely based on short-term interest rates, the level of which is influenced heavily by the FOMC's actions. However, the yields generated by our loans and securities are typically driven by both short-term and longer-term interest rates. Longer-term rates are affected by multiple factors including the actions of the FOMC through actions such as quantitative easing, and the market's expectations for future inflation, growth and other economic considerations. The level of net interest income and other financing income is therefore influenced by movements in such interest rates and the pace at which such movements occur. Interest rate volatility can reduce unrealized gains or create unrealized losses in our portfolios. If the interest rates on our interest-bearing liabilities increase at a faster pace than the interest rates on our interest-earning assets, our net interest income and other financing income may decline and, with it, a decline in our earnings may occur. Our net interest income and other financing income and our earnings would be similarly affected if the interest rates on our interest-earning assets declined at a faster pace than the interest rates on our interest-bearing liabilities. In particular, despite the rate increase in December 2015, short-term interest rates remain very low by historical standards. These low rates have reduced our cost of funding, which helped to stabilize our net interest margin.

Our current one-year interest rate sensitivity position is moderately asset sensitive. As a result, an immediate or gradual decrease in rates over a twelve-month period would likely have a negative impact on twelve-month net interest income. An increasing interest rate environment, however, would increase debt service requirements for some of our borrowers and may adversely affect those borrowers' ability to pay as contractually obligated and could result in additional delinquencies or charge-offs. Our results of operations and financial condition may be adversely affected as a result.

For a more detailed discussion of these risks and our management strategies for these risks, see the "Net Interest Income and Other Financing Income, Margin and Interest Rate Risk," "Net Interest Income and Other Financing Income and Margin," "Market Risk-Interest Rate Risk" and "Securities" sections of Item 7. "Management's Discussion and Analysis of Financial Condition and Results of Operations" of this Annual Report on Form 10-K.

Any future reductions in our credit ratings may increase our funding costs and place limitations on business activities related to providing credit support to customers.

The major rating agencies regularly evaluate us, and their ratings are based on a number of factors, including our financial strength and conditions affecting the financial services industry generally. In general, ratings agencies base their ratings on many quantitative and qualitative factors, including capital adequacy, liquidity, asset quality, business mix and level and quality of earnings, and we may not be able to maintain our current credit ratings. The ratings assigned to Regions and Regions Bank remain subject to change at any time, and it is possible that any ratings agency will take action to downgrade Regions, Regions Bank or both in the future. Additionally, ratings agencies may also make substantial changes to their ratings policies and practices, which may affect our credit ratings. In the future, changes to existing ratings guidelines and new ratings guidelines may, among other things, adversely affect the ratings of our securities or other securities in which we have an economic interest.

Regions' credit ratings can have negative consequences that can impact our ability to access the debt and capital markets, as well as reduce our profitability through increased costs on future debt issuances. Although Regions and Regions Bank are currently rated investment grade, a one-notch downgrade of Regions' rating would cause Regions to no longer be rated investment grade. When Regions was downgraded below investment grade status in 2010, we became unable to reliably access the short-term unsecured funding markets, which caused us to hold more cash and liquid investments to meet our ongoing cash needs. Such actions reduced our profitability as these liquid investments earned a lower return than other assets, such as loans. Regions' liquidity policy requires that the holding company maintain cash sufficient to cover the greater of (i) 18 months of debt service and other cash needs or (ii) a minimum cash balance of $500 million. Although this policy helps protect us against the costs of unexpected adverse funding environments, we cannot guarantee that this policy will be sufficient.

Additionally, at the time Regions was downgraded to below investment grade, certain counterparty contracts were required to be renegotiated, resulting in additional collateral postings of approximately $200 million. Refer to Note 21. "Derivative Financial Instruments and Hedging Activities – Contingent Features" to the consolidated financial statements of this Annual Report on Form 10-K for the fair value of contracts subject to contingent credit features and the collateral postings associated with such contracts. Future downgrades could require Regions to post additional collateral. Although the exact amount of additional collateral

is unknown, it is reasonable to conclude that Regions may be required to post approximately an additional $200 million related to existing contracts with contingent credit features.

The value of our goodwill and other intangible assets may decline in the future.

As of December 31, 2015 , we had $4.9 billion of goodwill and $259 million of other intangible assets. A significant decline in our expected future cash flows, a significant adverse change in the business climate, slower economic growth or a significant and sustained decline in the price of our common stock, any or all of which could be materially impacted by many of the risk factors discussed herein, may necessitate our taking charges in the future related to the impairment of our goodwill. Future regulatory actions could also have a material impact on assessments of goodwill for impairment. If the fair value of our net assets improves at a faster rate than the market value of our reporting units, or if we were to experience increases in book values of a reporting unit in excess of the increase in fair value of equity, we may also have to take charges related to the impairment of our goodwill. If we were to conclude that a future write-down of our goodwill is necessary, we would record the appropriate charge, which could have a material adverse effect on our results of operations.

Identifiable intangible assets other than goodwill consist of core deposit intangibles, purchased credit card relationship assets, customer relationship employment agreement assets, and the DUS license. Adverse events or circumstances could impact the recoverability of these intangible assets including loss of core deposits, significant losses of credit card accounts and/or balances, increased competition or adverse changes in the economy. To the extent these intangible assets are deemed unrecoverable, a non-cash impairment charge would be recorded, which could have a material adverse effect on our results of operations.

The value of our deferred tax assets could adversely affect our operating results and regulatory capital ratios.

As of December 31, 2015 , Regions had approximately $254 million in net deferred tax assets (net of valuation allowance of $29 million). Our deferred tax assets are subject to an evaluation of whether it is more likely than not that they will be realized for financial statement purposes. In making this determination, we consider all positive and negative evidence available, including the impact of recent operating results, as well as potential carryback of tax to prior years' taxable income, reversals of existing taxable temporary differences, tax planning strategies and projected earnings within the statutory tax loss carryover period. We have determined that the deferred tax assets are more likely than not to be realized at December 31, 2015 (except for $29 million related to state deferred tax assets for which we have established a valuation allowance). If we were to conclude that a significant portion of our deferred tax assets were not more likely than not to be realized, the required valuation allowance could adversely affect our financial position, results of operations and regulatory capital ratios. In addition, the value of our deferred tax assets could be adversely affected by a change in statutory tax rates.

Changes in the soundness of other financial institutions could adversely affect us.

Financial services companies are interrelated as a result of trading, clearing, counterparty or other relationships. We have exposure to many different industries and counterparties, and we routinely execute transactions with counterparties in the financial services industry, including brokers and dealers, commercial banks, investment banks, mutual and hedge funds, and other institutional clients. As a result, defaults by, or even mere speculation about, one or more financial services companies, or the financial services industry generally, may lead to market-wide liquidity problems and could lead to losses or defaults by us or by other institutions. Many of these transactions expose us to credit risk in the event of default of our counterparty or client. In addition, our credit risk may be exacerbated if the collateral held by us cannot be realized or is liquidated at prices not sufficient to recover the full amount of the loan or derivative exposure due us. Any such losses may materially and adversely affect our business, financial condition or results of operations.

Our businesses may be adversely affected if we are unable to hire and retain qualified employees.

Our success depends, in part, on our executive officers and other key personnel. The market for qualified individuals is highly competitive, and we may not be able to attract and retain qualified personnel or candidates to replace or succeed members of our senior management team or other key personnel. Our compensation practices are subject to review and oversight by the Federal Reserve, the FDIC and other regulators. As a large financial and banking institution, we may be subject to limitations on compensation practices, which may or may not affect our competitors, by the Federal Reserve, the FDIC or other regulators. These limitations could further affect our ability to attract and retain our executive officers and other key personnel.

In April 2011, the Federal Reserve, other federal banking agencies and the Securities and Exchange Commission jointly published proposed rules designed to implement provisions of the Dodd-Frank Act prohibiting incentive compensation arrangements that would encourage inappropriate risk taking at covered financial institutions, which includes a bank or BHC with $1 billion or more of assets, such as Regions and Regions Bank. It cannot be determined at this time whether or when a final rule will be adopted and whether compliance with such a final rule will substantially affect the manner in which we structure compensation for our executives and other employees. Depending on the nature and application of the final rules, we may not be able to successfully compete with certain financial institutions and other companies that are not subject to some or all of the rules to retain and attract executives and other high performing employees. If this were to occur, our business, financial condition and results of operations could be adversely affected, perhaps materially.

Maintaining or increasing market share may depend on market acceptance and regulatory approval of new products and services.

Our success depends, in part, on the ability to adapt products and services to evolving industry standards. There is increasing pressure to provide products and services at lower prices. This can reduce net interest income and other financing income and non-interest income from fee-based products and services. In addition, the widespread adoption of new technologies could require us to make substantial capital expenditures to modify or adapt existing products and services or develop new products and services. We may not be successful in introducing new products and services in response to industry trends or developments in technology, or those new products may not achieve market acceptance. As a result, we could lose business, be forced to price products and services on less advantageous terms to retain or attract clients, or be subject to cost increases, and our business, financial condition or results of operations may be adversely affected.

We need to stay current on technological changes in order to compete and meet customer demands.

The financial services market, including banking services, is undergoing rapid changes with frequent introductions of new technology-driven products and services. In addition to better serving customers, the effective use of technology increases efficiency and may enable us to reduce costs. Our future success may depend, in part, on our ability to use technology to provide products and services that provide convenience to customers and to create additional efficiencies in our operations. Some of our competitors have substantially greater resources to invest in technological improvements than we currently have. We may not be able to effectively implement new technology-driven products and services or be successful in marketing these products and services to our customers. As a result, our ability to effectively compete to retain or acquire new business may be impaired, and our business, financial condition or results of operations, may be adversely affected.

We are subject to a variety of operational risks, including the risk of fraud or theft by employees, which may adversely affect our business and results of operations.

We are exposed to many types of operational risks, including liquidity risk, credit risk, market risk, interest rate risk, legal and compliance risk, strategic risk, information security risk, and reputational risk. We are also reliant upon our employees, and our operations are subject to the risk of fraud, theft or malfeasance by our employees. We have established processes and procedures intended to identify, measure, monitor, mitigate, report and analyze these risks; however, there are inherent limitations to our risk management strategies as there may exist, or develop in the future, risks that we have not appropriately anticipated, monitored or identified. If our risk management framework proves ineffective, we could suffer unexpected losses, we may have to expend resources detecting and correcting the failure in our systems and we may be subject to potential claims from third parties and government agencies. We may also suffer severe reputational damage. Any of these consequences could adversely affect our business, financial condition or results of operations. In particular, the unauthorized disclosure, misappropriation, mishandling or misuse of personal, non-public, confidential or proprietary information of customers could result in significant regulatory consequences, reputational damage and financial loss.

Damage to our reputation could significantly harm our businesses.

Our ability to attract and retain customers and highly-skilled management and employees is impacted by our reputation. A negative public opinion of us and our business can result from any number of activities, including our lending practices, corporate governance and regulatory compliance, acquisitions and actions taken by our regulators or by community organizations in response to these activities. Significant harm to our reputation could also arise as a result of regulatory or governmental actions, litigation, employee misconduct or the activities of our customers, other participants in the financial services industry or our contractual counterparties, such as our service providers and vendors. Damage to our reputation could also adversely affect our credit ratings and access to the capital markets.

We are subject to a variety of systems failure and cybersecurity risks that could adversely affect our business and financial performance.

Failure in or breach of our systems or infrastructure, or those of our third-party service providers, including as a result of cyber attacks, could disrupt our businesses or the businesses of our customers. This could result in the disclosure or misuse of confidential or proprietary information, damage our reputation, increase our costs and cause losses. As a large financial institution, we depend on our ability to process, record and monitor a large number of customer transactions on a continuous basis. As public and regulatory expectations, as well as our customers' expectations have increased regarding operational and information security, our systems and infrastructure must continue to be safeguarded and monitored for potential failures, disruptions and breakdowns. Our business, financial, accounting, data processing systems or other operating systems and facilities may stop operating properly or become disabled or damaged as a result of a number of factors, including events that are wholly or partially beyond our control. For example, there could be sudden increases in customer transaction volume; electrical or telecommunications outages; natural disasters such as earthquakes, tornadoes and hurricanes; disease pandemics; events arising from local or larger scale political or social matters, including terrorist acts; and, as described below, cyber attacks. Although we have business continuity plans and other safeguards in place, our business operations may be adversely affected by significant and widespread disruption to our physical infrastructure or operating systems that support our businesses and customers.

Information security risks for large financial institutions such as Regions have increased significantly in recent years in part because of the proliferation of new technologies, such as Internet and mobile banking to conduct financial transactions, and the increased sophistication and activities of organized crime, hackers, terrorists, nation-states, activists and other external parties. Third parties with whom we or our customers do business also present operational and information security risks to us, including security breaches or failures of their own systems. As noted above, our operations rely on the secure processing, transmission and storage of confidential information in our computer systems and networks. In addition, to access our products and services, our customers may use personal computers, smartphones, tablets, and other mobile devices that are beyond our control environment. Although we believe that we have appropriate information security procedures and controls, our technologies, systems, networks and our customers' devices may be the target of cyber attacks or information security breaches that could result in the unauthorized release, gathering, monitoring, misuse, loss or destruction of Regions' or our customers' confidential, proprietary and other information. Additionally, cyber attacks, such as denial of service attacks, hacking or terrorist activities, could disrupt Regions' or our customers' or other third parties' business operations. For example, denial of service attacks have been launched against a number of large financial services institutions, including Regions. Although these past events have not resulted in a breach of Regions' client data or account information, such attacks have adversely affected the performance of Regions Bank's website, www.regions.com , and, in some instances, prevented customers from accessing Regions Bank's secure websites for consumer and commercial applications. In all cases, the attacks primarily resulted in inconvenience; however, future cyber attacks could be more disruptive and damaging, and Regions may not be able to anticipate or prevent all such attacks. As cyber threats continue to evolve, we may be required to expend significant additional resources to continue to modify or enhance our layers of defense or to investigate and remediate any information security vulnerabilities. The techniques used by cyber criminals change frequently, may not be recognized until launched and can be initiated from a variety of sources, including terrorist organizations and hostile foreign governments. These actors may attempt to fraudulently induce employees, customers or other users of our systems to disclose sensitive information in order to gain access to data or our systems. These risks may increase as the use of mobile payment and other Internet-based applications expands.

In March 2015, federal regulators issued two related statements regarding cybersecurity. One statement indicates that financial institutions should design multiple layers of security controls to establish lines of defense and to ensure that their risk management processes also address the risk posed by compromised customer credentials, including security measures to reliably authenticate customers accessing Internet-based services of the financial institution. The other statement indicates that a financial institution's management is expected to maintain sufficient business continuity planning processes to ensure the rapid recovery, resumption and maintenance of the institution's operations after a cyber attack involving destructive malware. A financial institution is also expected to develop appropriate processes to enable recovery of data and business operations and address rebuilding network capabilities and restoring data if the institution or its critical service providers fall victim to this type of cyber attack. The Regions Information Security Program reflects the requirements of this guidance. If, however, we fail to observe the regulatory guidance in the future, we could be subject to various regulatory sanctions, including financial penalties.

Disruptions or failures in the physical infrastructure or operating systems that support our businesses and customers, or cyber attacks or security breaches of the networks, systems or devices that our customers use to access our products and services, could result in customer attrition, regulatory fines, penalties or intervention, reputational damage, reimbursement or other compensation costs and/or additional compliance costs, any of which could materially adversely affect our business, results of operations or financial condition. For a more detailed discussion of these risks and specific occurrences, see the "Information Security Risk" section of Item 7. "Management's Discussion and Analysis of Financial Condition and Results of Operations" of this Annual Report on Form 10-K.

We rely on other companies to provide key components of our business infrastructure.

Third parties provide key components of our business operations such as data processing, recording and monitoring transactions, online banking interfaces and services, Internet connections and network access. While we have selected these third-party vendors carefully, we do not control their actions. Any problems caused by these third parties, including those resulting from disruptions in services provided by a vendor, failure of a vendor to handle current or higher volumes, failure of a vendor to provide services for any reason, poor performance of services, failure to comply with applicable laws and regulations, or fraud or misconduct on the part of employees of any of our vendors, could adversely affect our ability to deliver products and services to our customers, our reputation and our ability to conduct our business. Financial or operational difficulties of a third-party vendor could also hurt our operations if those difficulties interfere with the vendor's ability to serve us. Replacing these third-party vendors could also create significant delay and expense. Accordingly, use of such third parties creates an unavoidable, inherent risk to our business operations.

We depend on the accuracy and completeness of information about clients and counterparties.

In deciding whether to extend credit or enter into other transactions with clients and counterparties, we may rely on information furnished by or on behalf of clients and counterparties, including financial statements and other financial information. We also may rely on representations of clients and counterparties as to the accuracy and completeness of that information and, with respect to financial statements, on reports of independent auditors if made available. If this information is inaccurate, we may be subject

to regulatory action, reputational harm or other adverse effects with respect to the operation of our business, our financial condition and our results of operations.

We are exposed to risk of environmental liability when we take title to property.

In the course of our business, we may foreclose on and take title to real estate. As a result, we could be subject to environmental liabilities with respect to these properties. We may be held liable to a governmental entity or to third parties for property damage, personal injury, investigation and clean-up costs incurred by these parties in connection with environmental contamination or may be required to investigate or clean up hazardous or toxic substances or chemical releases at a property. The costs associated with investigation or remediation activities could be substantial. In addition, if we are the owner or former owner of a contaminated site, we may be subject to common law claims by third parties based on damages and costs resulting from environmental contamination emanating from the property. If we become subject to significant environmental liabilities, our business, financial condition or results of operations could be adversely affected.

We rely on the mortgage secondary market for some of our liquidity.

In 2015, we sold 47% of the mortgage loans we originated to the Agencies. We rely on the Agencies to purchase loans that meet their conforming loan requirements in order to reduce our credit risk and provide funding for additional loans we desire to originate. We cannot provide assurance that the Agencies will not materially limit their purchases of conforming loans due to capital constraints, a change in the criteria for conforming loans or other factors. Additionally, various proposals have been made to reform the U.S. residential mortgage finance market, including the role of the Agencies. The exact effects of any such reforms are not yet known, but they may limit our ability to sell conforming loans to the Agencies. If we are unable to continue to sell conforming loans to the Agencies, our ability to fund, and thus originate, additional mortgage loans may be adversely affected, which would adversely affect our results of operations.

We are subject to a variety of risks in connection with any sale of loans we may conduct.

In connection with our sale of one or more loan portfolios, we may make certain representations and warranties to the purchaser concerning the loans sold and the procedures under which those loans have been originated and serviced. If any of these representations and warranties are incorrect, we may be required to indemnify the purchaser for any related losses, or we may be required to repurchase part or all of the effected loans. We may also be required to repurchase loans as a result of borrower fraud or in the event of early payment default by the borrower on a loan we have sold. If we are required to make any indemnity payments or repurchases and do not have a remedy available to us against a solvent counterparty, we may not be able to recover our losses resulting from these indemnity payments and repurchases. Consequently, our results of operations may be adversely affected.

In addition, we must report as held for sale any loans that we have undertaken to sell, whether or not a purchase agreement for the loans has been executed. We may therefore be unable to ultimately complete a sale for part or all of the loans we classify as held for sale. Management must exercise its judgment in determining when loans must be reclassified from held to maturity status to held for sale status under applicable accounting guidelines. Any failure to accurately report loans as held for sale could result in regulatory investigations and monetary penalties. Any of these actions could adversely affect our financial condition and results of operations. Reclassifying loans from held to maturity to held for sale also requires that the affected loans be marked to the lower of cost or fair value. As a result, any loans classified as held for sale may be adversely affected by changes in interest rates and by changes in the borrower's creditworthiness. We may be required to reduce the value of any loans we mark held for sale, which could adversely affect our results of operations.

A downgrade or potential downgrade of the U.S. Government's sovereign credit rating by one or more credit ratings agencies could adversely affect our business.

In August 2011, Standard and Poor's lowered its long-term sovereign credit rating of the U.S. from AAA to AA+ and maintains a stable outlook on the rating. Although the other three major credit rating agencies did not downgrade their U.S. sovereign credit ratings, future uncertainty over U.S. fiscal policy, including over tax increases and spending cuts as part of the budgetary process or over future raises of the U.S. debt ceiling, could result in a downgrade or a reduction in the outlook of the U.S. long-term sovereign credit rating by one or more credit ratings agencies. Any downgrade, or perceived future downgrade, in the U.S. sovereign credit rating or outlook could adversely affect global financial markets and economic conditions and may result in, among other things, increased volatility and illiquidity in the capital markets, declines in consumer confidence, increased unemployment levels and declines in the value of U.S. Treasury securities and securities guaranteed by the U.S. government. As a result, our business, liquidity, results of operations and financial conditions may be adversely affected. Additionally, the economic conditions resulting from any such downgrade or perceived future downgrade may significantly exacerbate the other risks we face.

Our reported financial results depend on management's selection of accounting methods and certain assumptions and estimates.

Our accounting policies and assumptions are fundamental to our reported financial condition and results of operations. Our management must exercise judgment in selecting and applying many of these accounting policies and methods so they comply with generally accepted accounting principles and reflect management's judgment of the most appropriate manner to report our financial condition and results. In some cases, management must select the accounting policy or method to apply from two or

more alternatives, any of which may be reasonable under the circumstances, yet may result in us reporting materially different results than would have been reported under a different alternative.

Certain accounting policies are critical to presenting our reported financial condition and results of operations. They require management to make difficult, subjective or complex judgments about matters that are uncertain. Materially different amounts could be reported under different conditions or using different assumptions or estimates. The Company's critical accounting estimates include: the allowance for credit losses; fair value measurements; intangible assets; residential MSRs; and income taxes. Because of the uncertainty of estimates involved in these matters, we may be required to do one or more of the following: significantly increase the allowance for credit losses and/or sustain credit losses that are significantly higher than the reserve provided; recognize significant impairment on our goodwill, other intangible assets or deferred tax asset balances; or significantly increase our accrued income taxes. Any of these actions could adversely affect our reported financial condition and results of operations.

If the models that we use in our business perform poorly or provide inadequate information, our business or results of operations may be adversely affected.

We utilize quantitative models to assist in measuring risks and estimating or predicting certain financial values. Models may be used in processes such as determining the pricing of various products, grading loans and extending credit, measuring interest rate and other market risks, forecasting financial performance, predicting losses, assessing capital adequacy, and calculating regulatory capital levels, as well as to estimate the value of financial instruments and balance sheet items. Poorly designed, implemented, or managed models present the risk that our business decisions that consider information based on such models will be adversely affected due to the inadequacy or inaccuracy of that information. Also, information we provide to the public or to our regulators based on poorly designed, implemented, or managed models could be inaccurate or misleading. Some of the decisions that our regulators make, including those related to capital distributions to our stockholders, could be affected adversely due to the perception that the quality of the models used to generate the relevant information is insufficient.

Changes in our accounting policies or in accounting standards could materially affect how we report our financial results and condition.

From time to time, the FASB and SEC change the financial accounting and reporting standards that govern the preparation of our financial statements. These changes can be difficult to predict and can materially impact how we record and report our financial condition and results of operations. In some cases, we could be required to apply a new or revised standard retroactively, resulting in us restating prior period financial statements. For example, on December 20, 2012, the FASB issued for public comment a Proposed Accounting Standards Update, Financial Instruments - Credit Losses (Subtopic 825-15), that would substantially change the accounting for credit losses on loans and other financial assets held by banks, financial institutions and other organizations. The proposal would remove the existing "probable" threshold in GAAP for recognizing credit losses and instead require affected reporting companies to reflect their estimate of credit losses on financial assets over the lifetime of each such asset, broadening the range of information that must be considered in measuring the allowance for expected credit losses. This proposal, if adopted as proposed, will likely have a negative impact, potentially materially, on Regions' reported earnings and capital and could also have an impact on Regions Bank's lending to the extent that higher reserves are required at the inception of a loan based on recent loan loss experience.

Risks Arising From the Legal and Regulatory Framework in which Our Business Operates

We are, and may in the future be, subject to litigation, investigations and governmental proceedings that may result in liabilities adversely affecting our financial condition, business or results of operations or in reputational harm.

We and our subsidiaries are, and may in the future be, named as defendants in various class actions and other litigation, and may be the subject of subpoenas, reviews, requests for information, investigations, and formal and informal proceedings by government and self-regulatory agencies regarding our and their businesses and activities. For example, as discussed in Note 24 "Commitments, Contingencies and Guarantees," Regions is working to resolve certain inquiries from its applicable federal regulators. Other such matters are likely to arise in the future. Any such matters may result in material adverse consequences to our results of operations, financial condition or ability to conduct our business, including adverse judgments, settlements, fines, penalties (including civil money penalties under applicable banking laws), injunctions, restrictions on our business activities or other relief. Our involvement in any such matters, even if the matters are ultimately determined in our favor, could also cause significant harm to our reputation and divert management attention from the operation of our business. Further, any settlement, consent order or adverse judgment in connection with any formal or informal proceeding or investigation by government or self-regulatory agencies may result in additional litigation, investigations or proceedings as other litigants and government or self-regulatory agencies (including the inquiries mentioned above) begin independent reviews of the same businesses or activities. In general, the amounts paid by financial institutions in settlement of proceedings or investigations, including those relating to anti-money laundering matters, have been increasing dramatically and are likely to continue to increase. In some cases, governmental authorities have required criminal pleas or other extraordinary terms as part of such settlements, which could have significant collateral consequences for a financial institution, including loss of customers, restrictions on the ability to access the capital markets, and the inability to operate certain businesses or offer certain products for a period of time.

In June 2014, Regions Bank entered into a joint consent order with the Federal Reserve and the Alabama State Banking Department and a deferred prosecution agreement with the SEC in order to resolve certain inquiries (collectively, the "Regulatory Orders"). Regions must devote resources to satisfying the requirements of the Regulatory Orders, including enhancements to its policies and procedures in certain areas. If Regions Bank fails to successfully address the requirements of the Regulatory Orders, it could be required to enter into further orders and settlements or could be subject to additional fines, penalties or restrictions.

In 2013, Regions received investigative requests from the Office of Inspector General of HUD regarding its residential mortgage loan origination, underwriting and quality control practices for FHA insured loans made by Regions. Regions has fully cooperated in this investigation and is in discussions to resolve this inquiry. In September 2014, Regions received an investigative request from the Office of Inspector General of the Federal Housing Finance Agency regarding its residential mortgage loan origination, underwriting and quality control practices for loans Regions sold to Fannie Mae and Freddie Mac. Regions has fully cooperated with the inquiry. Both of these inquiries are part of industry-wide investigations. Many institutions have settled these matters on terms that included large monetary penalties, including, in some cases, civil money penalties under applicable banking laws.

In addition, in recent years, a number of judicial decisions have upheld the right of borrowers to sue lending institutions on the basis of various evolving legal theories, collectively termed "lender liability." Generally, lender liability is founded on the premise that a lender has either violated a duty, whether implied or contractual, of good faith and fair dealing owed to the borrower or has assumed a degree of control over the borrower resulting in the creation of a fiduciary duty owed to the borrower or its other creditors or stockholders. In the future, Regions could become subject to claims based on this or other evolving legal theories.

Additional information relating to our litigation, investigations and other proceedings is discussed in Note 24 "Commitments, Contingencies and Guarantees" to the consolidated financial statements of this Annual Report on Form 10-K.

We may face significant claims for indemnification in connection with our sale of Morgan Keegan in 2012.

On January 11, 2012, Regions entered into a stock purchase agreement to sell Morgan Keegan and related affiliates to Raymond James. The transaction closed on April 2, 2012. In connection with the closing of the sale, Regions agreed to indemnify Raymond James for all litigation and certain other matters related to pre-closing activities of Morgan Keegan. Indemnifiable losses under the indemnification provision include legal and other expenses, such as costs for defense, judgments, settlements and awards associated with the resolution of litigation related to pre-closing activities. As of December 31, 2015 , the carrying value of the indemnification obligation is approximately $77 million . This amount reflects an estimate of liability; however, actual liabilities can potentially be higher than amounts reserved. The amount of liability that we may ultimately incur from indemnification claims may have an adverse impact, perhaps materially, on our financial condition or results of operations.

We are subject to extensive governmental regulation, which could have an adverse impact on our operations.

We are subject to extensive state and federal regulation, supervision and examination governing almost all aspects of our operations, which limits the businesses in which we may permissibly engage. The laws and regulations governing our business are intended primarily for the protection of our depositors, our customers, the financial system and the FDIC insurance fund, not our stockholders or other creditors. These laws and regulations govern a variety of matters, including certain debt obligations, changes in control, maintenance of adequate capital, and general business operations and financial condition (including permissible types, amounts and terms of loans and investments, the amount of reserves against deposits, restrictions on dividends, establishment of branch offices, and the maximum interest rate that may be charged by law). Further, we must obtain approval from our regulators before engaging in many activities, and our regulators have the ability to compel us to, or restrict us from, taking certain actions entirely. There can be no assurance that any regulatory approvals we may require or otherwise seek will be obtained.

Since the financial crisis, financial institutions generally have been subjected to increased scrutiny from regulatory authorities. Changes to the legal and regulatory framework governing our operations, including the passage and continued implementation of the Dodd-Frank Act, have drastically revised the laws and regulations under which we operate. These changes may result in increased costs of doing business, decreased revenues and net income, and may reduce our ability to effectively compete in attracting and retaining customers. In general, bank regulators, including the CFPB, have increased their focus on risk management and consumer compliance, and we expect this focus to continue. Additional compliance requirements are likely and can be costly to implement, may require additional compliance personnel and may limit our ability to offer competitive products to our customers.

We are also subject to changes in federal and state law, as well as regulations and governmental policies, income tax laws and accounting principles. Regulations affecting banks and other financial institutions are undergoing continuous review and frequently change, and the ultimate effect of such changes cannot be predicted. Recent areas of legislative focus include housing finance reform, flood insurance and cybersecurity. Regulations and laws may be modified at any time, and new legislation may be enacted that will affect us, Regions Bank and our subsidiaries. Any changes in any federal and state law, as well as regulations and governmental policies, income tax laws and accounting principles, could affect us in substantial and unpredictable ways, including ways that may adversely affect our business, financial condition or results of operations. Failure to appropriately comply with any such laws, regulations or principles could result in sanctions by regulatory agencies, civil money penalties or damage to our reputation, all of which could adversely affect our business, financial condition or results of operations. Our regulatory position

is discussed in greater detail in Note 14 "Regulatory Capital Requirements and Restrictions" in the Notes to the Consolidated Financial Statements in Item 8. of this Annual Report on Form 10-K.

We may be subject to more stringent capital and liquidity requirements.

Regions and Regions Bank are each subject to capital adequacy and liquidity guidelines and other regulatory requirements specifying minimum amounts and types of capital that must be maintained. From time to time, the regulators implement changes to these regulatory capital adequacy and liquidity guidelines. If we fail to meet these minimum capital adequacy and liquidity guidelines and other regulatory requirements, we or our subsidiaries may be restricted in the types of activities we may conduct and may be prohibited from taking certain capital actions, such as paying dividends and repurchasing or redeeming capital securities.

In particular, the capital adequacy and liquidity guidelines applicable to Regions and Regions Bank under the Basel III Rules began to be phased in starting in 2015, requiring Regions to satisfy additional, more stringent capital adequacy and liquidity standards than in the past. In addition, these requirements could have a negative impact on our ability to lend, grow deposit balances, make acquisitions and make capital distributions in the form of increased dividends or share repurchases. Higher capital levels could also lower our return on equity.

We may also be required to satisfy even more stringent standards depending on the implementation of the liquidity guidelines as well as the additional capital and other surcharges being considered by supervisory bodies. For more information concerning our compliance with capital and liquidity requirements, see Note 14 "Regulatory Capital Requirements and Restrictions" in the Notes to the Consolidated Financial Statements in Item 8. of this Annual Report on Form 10-K.

Rulemaking changes implemented by the CFPB will result in higher regulatory and compliance costs that may adversely affect our results of operations.

The Dodd-Frank Act created a new, independent federal agency, the CFPB, which was granted broad rulemaking, supervisory and enforcement powers under various federal consumer financial protection laws. The CFPB also has examination and primary enforcement authority with respect to depository institutions with $10 billion or more in assets, their service providers and certain non-depository entities, such as debt collectors and consumer reporting agencies. Since its formation, the CFPB has finalized a number of significant rules that could have a significant impact on our business and the financial services industry more generally. In particular, the CFPB has adopted rules impacting nearly every aspect of the lifecycle of a residential mortgage loan as discussed in the "Supervision and Regulation" section of Item 1. "Business" of this Annual Report on Form 10-K above. The CFPB has also issued guidance that could radically reshape the automotive financing industry by subjecting indirect automobile lenders, such as Regions, to regulation as creditors under the Equal Credit Opportunity Act, which would make indirect automobile lenders monitor and control certain credit policies and procedures undertaken by automobile dealers. Compliance with the rules and policies adopted by the CFPB may limit the products we may permissibly offer to some or all of our customers, or limit the terms on which those products may be issued, or may adversely affect our ability to conduct our business as previously conducted (including our residential mortgage and indirect auto lending businesses in particular). We may also be required to add additional compliance personnel or incur other significant compliance-related expenses. Our business, results of operations or competitive position may be adversely affected as a result.

We may not be able to complete future acquisitions, may not be successful in realizing the benefits of any future acquisitions that are completed, or may choose not to pursue acquisition opportunities we might find beneficial.

A substantial part of our historical growth has been a result of acquisitions of other financial institutions, and we may, from time to time, evaluate and engage in the acquisition or divestiture of businesses (including their assets or liabilities, such as loans or deposits). We must generally satisfy a number of meaningful conditions prior to completing any such transaction, including in certain cases, federal and state bank regulatory approvals. Bank regulators consider a number of factors when determining whether to approve a proposed transaction, including the supervisory ratings and compliance history of all institutions involved, the anti-money laundering and Bank Secrecy Act compliance history of all institutions involved, CRA examination results and the effect of the transaction on financial stability. In 2014, the Federal Reserve Bank of Atlanta began a regularly scheduled CRA examination of Regions Bank covering 2012 and 2013 performance. This review included, among other things, a review of Regions Bank's previously disclosed public consent orders. As a result of the examination, the results of which were communicated during the fourth quarter of 2015, Regions Bank received "High Satisfactory" ratings on its CRA components, but its overall CRA rating was downgraded from "Satisfactory" to "Needs to Improve." The downgrade was attributable to the matters underlying Regions Bank's April 2015 public consent order with the CFPB related to overdrafts and Regulation E. Regions Bank had self-reported these matters and provided remuneration during 2011 and 2012. This downgrade imposes restrictions on the Company's ability to undertake certain activities, including mergers and acquisitions of insured depository institutions and applications to open branches or certain other facilities until such time as the rating is improved. Regions Bank's next CRA examination is expected to commence during 2016, although the actual timing of the examination and any results therefrom will not be known until later.

Additionally, the process for obtaining required regulatory approvals has become substantially more difficult, time-consuming and unpredictable as a result of the financial crisis. We may fail to pursue, evaluate or complete strategic and competitively significant business opportunities as a result of our inability, or our perceived inability, to obtain required regulatory approvals in a timely manner or at all.

Assuming we are able to successfully complete one or more transactions, we may not be able to successfully integrate and realize the expected synergies from any completed transaction in a timely manner or at all. In particular, we may be held responsible by federal and state regulators for regulatory and compliance failures at an acquired business prior to the date of the acquisition, and these failures by the acquired company may have negative consequences for us, including the imposition of formal or informal enforcement actions. Completion and integration of any transaction may also divert management attention from other matters, result in additional costs and expenses, or adversely affect our relationships with our customers and employees, any of which may adversely affect our business or results of operations. Future acquisitions may also result in dilution of our current stockholders' ownership interests or may require we incur additional indebtedness or use a substantial amount of our available cash and other liquid assets. As a result, our financial condition may be affected, and we may become more susceptible to economic conditions and competitive pressures.

Increases in FDIC insurance premiums may adversely affect our earnings.

Our deposits are insured by the FDIC up to legal limits and, accordingly, we are subject to FDIC deposit insurance assessments. We generally cannot control the amount of premiums we will be required to pay for FDIC insurance. High levels of bank failures over the past several years and increases in the statutory deposit insurance limits have increased resolution costs to the FDIC and put pressure on the DIF. In order to maintain a strong funding position and restore the reserve ratios of the DIF, the FDIC increased assessment rates on insured institutions, charged a special assessment to all insured institutions as of June 30, 2009, and required banks to prepay three years' worth of premiums on December 30, 2009. If there are additional financial institution failures, we may be required to pay even higher FDIC premiums than the recently increased levels, or the FDIC may charge additional special assessments or require future prepayments. Further, the FDIC increased the DIF's target reserve ratio to 2.0% of insured deposits following the Dodd-Frank Act's elimination of the 1.5% cap on the DIF's reserve ratio.

The FDIC has recently proposed to apply an annual surcharge of 4.5 basis points on all banks with at least $10 billion in assets as a method of increasing its deposit insurance fund reserve ratio. As proposed by the FDIC, the surcharge would apply equally to all institutions with $10 billion or more of assets, and would not differ based on the size or complexity of the institution, or the riskiness of its assets. Further, the proposed surcharge would be multiplied by our statutorily defined deposit insurance assessment base (average total assets less tangible equity) rather than just our insured deposits. The FDIC has indicated that the surcharge, if enacted, would apply for approximately two years. We currently estimate that the surcharge, if implemented as proposed, would increase our FDIC insurance assessments by approximately $5 million per quarter; however, the ultimate impact on our business of this proposal will depend on a number of factors, including the final details of its implementation by the FDIC. See the "Non-Interest Expense" discussion within Item 7. "Management's Discussion and Analysis of Financial Condition and Results of Operations" of this Annual Report on Form 10-K for additional information related to the proposed surcharge.

Additional increases in our assessment rate may be required in the future to achieve this targeted reserve ratio. These increases in deposit assessments and any future increases, required prepayments or special assessments of FDIC insurance premiums may adversely affect our business, financial condition or results of operations.

Unfavorable results from ongoing stress analyses may adversely affect our ability to retain customers or compete for new business opportunities.

The Federal Reserve conducts an annual stress analysis of Regions to evaluate our ability to absorb losses in three economic and financial scenarios generated by the Federal Reserve, including adverse and severely adverse economic and financial scenarios. The rules also require us to conduct our own semi-annual stress analysis to assess the potential impact on Regions of the scenarios used as part of the Federal Reserve's annual stress analysis. A summary of the results of certain aspects of the Federal Reserve's annual stress analysis is released publicly and contains information and results specific to BHCs. The rules also require us to disclose publicly a summary of the results of our semi-annual stress analyses, and Regions Bank's annual stress analyses, under the severely adverse scenario.

Although the stress tests are not meant to assess our current condition, our customers may misinterpret and adversely react to the results of these stress tests despite the strength of our financial condition. Any potential misinterpretations and adverse reactions could limit our ability to attract and retain customers or to effectively compete for new business opportunities. The inability to attract and retain customers or effectively compete for new business may have a material and adverse effect on our business, financial condition or results of operations.

Our regulators may also require us to raise additional capital or take other actions, or may impose restrictions on our business, based on the results of the stress tests, including rejecting, or requiring revisions to, our annual capital plan submitted in connection with the CCAR. The failure of our capital plan to pass the CCAR could adversely affect our ability to pay dividends and repurchase stock. In addition, we may not be able to raise additional capital if required to do so, or may not be able to do so on terms that we believe are advantageous to Regions or its current stockholders. Any such capital raises, if required, may also be dilutive to our existing stockholders.

If an orderly liquidation of a systemically important BHC or non-bank financial company were triggered, we could face assessments for the Orderly Liquidation Fund.

The Dodd-Frank Act creates a new mechanism, the OLA, for liquidation of systemically important BHCs and non-bank financial companies. The OLA is administered by the FDIC and is based on the FDIC's bank resolution model. The Secretary of the U.S. Treasury may trigger a liquidation under this authority only after consultation with the President of the U.S. and after receiving a recommendation from the boards of the FDIC and the Federal Reserve upon a two-thirds vote. Liquidation proceedings will be funded by the Orderly Liquidation Fund, which will borrow from the U.S. Treasury and impose risk-based assessments on covered financial companies. Risk-based assessments would be made, first, on entities that received more in the resolution than they would have received in the liquidation to the extent of such excess, and second, if necessary, on, among others, BHCs with total consolidated assets of $50 billion or more, such as Regions. Any such assessments may adversely affect our business, financial condition or results of operations.

Risks Related to Our Capital Stock

The market price of shares of our capital stock will fluctuate.

The market price of our capital stock could be subject to significant fluctuations due to a change in sentiment in the market regarding our operations or business prospects. Such risks may be affected by:

Stock markets in general (and our common stock in particular) have shown considerable volatility in the recent past. The market price of our capital stock, including our common stock and depositary shares representing fractional interests in our preferred stock, may continue to be subject to similar fluctuations unrelated to our operating performance or prospects. Increased volatility could result in a decline in the market price of our capital stock.

Our capital stock is subordinate to our existing and future indebtedness.

Our capital stock, including our common stock and depositary shares representing fractional interests in our preferred stock, ranks junior to all of Regions' existing and future indebtedness and Regions' other non-equity claims with respect to assets available to satisfy claims against us, including claims in the event of our liquidation. As of December 31, 2015 , Regions' total liabilities were approximately $109.2 billion , and we may incur additional indebtedness in the future to increase our capital resources. Additionally, if our capital ratios or the capital ratios of Regions Bank fall below the required minimums, we or Regions Bank could be forced to raise additional capital by making additional offerings of debt securities, including medium-term notes, senior or subordinated notes or other applicable securities.

We are a holding company and depend on our subsidiaries for dividends, distributions and other payments.

We are a legal entity separate and distinct from our banking and other subsidiaries. Our principal source of cash flow, including cash flow to pay dividends to our stockholders and principal and interest on our outstanding debt, is dividends from Regions Bank. There are statutory and regulatory limitations on the payment of dividends by Regions Bank to us, as well as by us to our stockholders. Regulations of both the Federal Reserve and the State of Alabama affect the ability of Regions Bank to pay dividends and other distributions to us and to make loans to us. If Regions Bank is unable to make dividend payments to us and sufficient cash or liquidity is not otherwise available, we may not be able to make dividend payments to our common and preferred stockholders or principal and interest payments on our outstanding debt. See the "Stockholders' Equity" section of Item 7. "Management's Discussion and Analysis of Financial Condition and Results of Operations" of this Annual Report on Form 10-K. In addition, our right to participate in a distribution of assets upon a subsidiary's liquidation or reorganization is subject to the prior claims of creditors of that subsidiary, except to the extent that any of our claims as a creditor of such subsidiary may be recognized. As a result, shares of our capital stock are effectively subordinated to all existing and future liabilities and obligations of our subsidiaries. At December 31, 2015, our subsidiaries' total deposits and borrowings were approximately $107.8 billion.

We may not pay dividends on shares of our capital stock.

Holders of shares of our capital stock are only entitled to receive such dividends as our Board may declare out of funds legally available for such payments. Although we have historically declared cash dividends on our common stock, we are not required to do so and may reduce or eliminate our common stock dividend in the future. This could adversely affect the market price of our common stock. Furthermore, the terms of our outstanding preferred stock prohibit us from declaring or paying any dividends on any junior series of our capital stock, including our common stock, or from repurchasing, redeeming or acquiring such junior stock, unless we have declared and paid full dividends on our outstanding preferred stock for the most recently completed dividend period.

We are also subject to statutory and regulatory limitations on our ability to pay dividends on our capital stock. For example, it is the policy of the Federal Reserve that BHCs should generally pay dividends on common stock only out of earnings, and only if prospective earnings retention is consistent with the organization's expected future needs, asset quality and financial condition. Moreover, the Federal Reserve will closely scrutinize any dividend payout ratios exceeding 30% of after-tax net income. Additionally, we are required to submit annual capital plans to the Federal Reserve for review before we can take certain capital actions, including declaring and paying dividends and repurchasing or redeeming capital securities. If our capital plan or any amendment to our capital plan is objected to for any reason, our ability to declare and pay dividends on our capital stock may be limited. Further, if we are unable to satisfy the capital requirements applicable to us for any reason, we may be limited in our ability to declare and pay dividends on our capital stock.

Anti-takeover and banking laws and certain agreements and charter provisions may adversely affect share value.

Certain provisions of state and federal law and our certificate of incorporation may make it more difficult for someone to acquire control of us without our Board's approval. Under federal law, subject to certain exemptions, a person, entity or group must notify the federal banking agencies before acquiring control of a BHC. Acquisition of 10% or more of any class of voting stock of a BHC or state member bank, including shares of our common stock, creates a rebuttable presumption that the acquirer "controls" the BHC or state member bank. Also, as noted under the "Supervision and Regulation" section of Item 1. of this Annual Report on Form 10-K, a BHC must obtain the prior approval of the Federal Reserve before, among other things, acquiring direct or indirect ownership or control of more than 5% of the voting shares of any bank, including Regions Bank. One factor the federal banking agencies must consider in certain acquisitions is the systemic impact of the transaction. This may make it more difficult for large institutions to acquire other large institutions and may otherwise delay the regulatory approval process, possibly by requiring public hearings. There also are provisions in our certificate of incorporation that may be used to delay or block a takeover attempt. For example, holders of our preferred stock have certain voting rights that could adversely affect share value. If and when dividends on the preferred stock have not been declared and paid for at least six quarterly dividend periods or their equivalent (whether or not consecutive), the authorized number of directors then constituting our Board will automatically be increased by two, and the preferred stockholders will be entitled to elect the two additional directors. Also, the affirmative vote or consent of the holders of at least two-thirds of all of the then-outstanding shares of the preferred stock is required to consummate a binding share-exchange or reclassification involving the preferred stock, or a merger or consolidation of Regions with or into another entity, unless certain requirements are met. These statutory provisions and provisions in our certificate of incorporation, including the rights of the holders of our preferred stock, could result in Regions being less attractive to a potential acquirer.

We may need to raise additional debt or equity capital in the future, but may be unable to do so.

We may need to raise additional capital in the future to provide us with sufficient capital resources and liquidity to meet our commitments and other business purposes. Our ability to raise additional capital, if needed, will depend on, among other things, prevailing conditions in the capital markets, which are outside of our control, and our financial performance. The economic slowdown and loss of confidence in financial institutions over the past several years may increase our cost of funding and limit our access to some of our customary sources of capital, including inter-bank borrowings, repurchase agreements and borrowings from the discount window of the Federal Reserve. We cannot assure you that capital will be available to us on acceptable terms

or at all. Any occurrence that may limit our access to the capital markets, such as a decline in the confidence of debt purchasers, depositors of Regions Bank or counterparties participating in the capital markets, or a downgrade of our debt ratings, may adversely affect our capital costs and our ability to raise capital and, in turn, our liquidity. An inability to raise additional capital on acceptable terms when needed could have a materially adverse effect on our business, financial condition or results of operations.

Future issuances of additional equity securities could result in dilution of existing stockholders' equity ownership.

We may determine from time to time to issue additional equity securities to raise additional capital, support growth, or to make acquisitions. Further, we may issue stock options or other stock grants to retain and motivate our employees. These issuances of our securities could dilute the voting and economic interests of our existing stockholders.

Item 1B. Unresolved Staff Comments

None.

Item 2. Properties

Regions' corporate headquarters occupy the main banking facility of Regions Bank, located at 1900 Fifth Avenue North, Birmingham, Alabama 35203.

At December 31, 2015 , Regions Bank, Regions' banking subsidiary, operated 1,627 banking offices. At December 31, 2015 , there were no significant encumbrances on the offices, equipment and other operational facilities owned by Regions and its subsidiaries.

See Item 1. "Business" of this Annual Report on Form 10-K for a list of the states in which Regions Bank's branches are located.

Item 3. Legal Proceedings

Information required by this item is set forth in Note 24 "Commitments, Contingencies and Guarantees" in the Notes to the Consolidated Financial Statements, which are included in Item 8. of this Annual Report on Form 10-K.

Item 4. Mine Safety Disclosures.

Not applicable.

Executive Officers of the Registrant

Information concerning the Executive Officers of Regions is set forth under Item 10. "Directors, Executive Officers and Corporate Governance" of this Annual Report on Form 10-K.

PART II

Item 5. Market For Registrant's Common Equity, Related Stockholder Matters and Issuer Purchases of Equity Securities

Regions common stock, par value $.01 per share, is listed for trading on the New York Stock Exchange under the symbol RF. Quarterly high and low sales prices of and cash dividends declared on Regions common stock are set forth in Table 27 "Quarterly Results of Operations" of "Management's Discussion and Analysis", which is included in Item 7. of this Annual Report on Form 10-K. As of February 11, 2016 , there were 51,113 holders of record of Regions common stock (including participants in the Computershare Investment Plan for Regions Financial Corporation).

Restrictions on the ability of Regions Bank to transfer funds to Regions at December 31, 2015 , are set forth in Note 14 "Regulatory Capital Requirements and Restrictions" to the consolidated financial statements, which are included in Item 8. of this Annual Report on Form 10-K. A discussion of certain limitations on the ability of Regions Bank to pay dividends to Regions and the ability of Regions to pay dividends on its common stock is set forth in Item 1. "Business" under the heading "Supervision and Regulation-Payment of Dividends" of this Annual Report on Form 10-K.

In connection with Regions' acquisition of BlackArch Partners LLC ("BlackArch") on October 20, 2015, Regions issued 831,766 shares of Regions common stock to the former owners of BlackArch as partial consideration for the acquisition. The shares issued in the transaction are exempt from the registration requirements of the Securities Act of 1933, as amended, pursuant to Section 4(a)(2). Pursuant to contingent payment provisions in the purchase agreement, if certain conditions are met, Regions will issue up to 1,528,234 additional shares of Regions common stock to the former owners of BlackArch over the next four years. Each of the former owners of BlackArch are accredited investors and no underwriters or placement agents were involved in connection with issuance of Regions common stock.

The following table presents information regarding issuer purchases of equity securities during the fourth quarter of 2015 .

Issuer Purchases of Equity Securities

On April 23, 2015, Regions' Board authorized a new $875 million common stock purchase plan, permitting repurchases from the beginning of the second quarter of 2015 through the end of the second quarter of 2016. As of December 31, 2015, Regions had repurchased approximately 52 million shares of common stock at a total cost of approximately $520 million under this plan. The Company continued to repurchase shares under this plan in the first quarter of 2016, and as of February 12, 2016, Regions had additional repurchases of approximately 17.8 million shares of common stock at a total cost of approximately $135.3 million. These shares were immediately retired upon repurchase and therefore will not be included in treasury stock.

Restrictions on Dividends and Repurchase of Stock

Holders of Regions common stock are only entitled to receive such dividends as Regions' Board may declare out of funds legally available for such payments. Furthermore, holders of Regions common stock are subject to the prior dividend rights of any holders of Regions preferred stock then outstanding.

Regions understands the importance of returning capital to stockholders. Management will continue to execute the capital planning process, including evaluation of the amount of the common dividend, with the Board and in conjunction with the regulatory supervisors, subject to the Company's results of operations. Also, Regions is a BHC, and its ability to declare and pay dividends is dependent on certain federal regulatory considerations, including the guidelines of the Federal Reserve regarding capital adequacy and dividends.

On November 1, 2012, Regions completed the sale of 20 million depositary shares each representing a 1/40 th ownership interest in a share of its 6.375% Non-Cumulative Perpetual Preferred Stock, Series A, par value $1.00 per share ("Series A Preferred Stock"), with a liquidation preference of $1,000 per share of Series A Preferred Stock (equivalent to $25 per depositary share). The terms of the Series A Preferred Stock prohibit Regions from declaring or paying any dividends on any junior series of its capital stock, including its common stock, or from repurchasing, redeeming or acquiring such junior stock, unless Regions has declared and paid full dividends on the Series A Preferred Stock for the most recently completed dividend period. The Series A Preferred Stock is redeemable at Regions' option in whole or in part, from time to time, on any dividend payment date on or after December 15, 2017 or in whole, but not in part, at any time within 90 days following a regulatory capital treatment event (as defined in the certificate of designations establishing the Series A Preferred Stock).

On April 29, 2014, Regions completed the sale of 20 million depositary shares each representing a 1/40 th ownership interest in a share of its 6.375% Fixed-to-Floating Rate Non-Cumulative Perpetual Preferred Stock, Series B, par value $1.00 per share ("Series B Preferred Stock"), with a liquidation preference of $1,000 per share of Series B Preferred Stock (equivalent to $25 per depositary share). The terms of the Series B Preferred Stock prohibit Regions from declaring or paying any dividends on any junior series of its capital stock, including its common stock, or from repurchasing, redeeming or acquiring such junior stock, unless Regions has declared and paid full dividends on the Series B Preferred Stock for the most recently completed dividend period. The Series B Preferred Stock is redeemable at Regions' option in whole or in part, from time to time, on any dividend payment date on or after September 15, 2024, or in whole but not in part, at any time following a regulatory capital treatment event (as defined in the certificate of designations establishing the Series B Preferred Stock).

PERFORMANCE GRAPH

Set forth below is a graph comparing the yearly percentage change in the cumulative total return of Regions common stock against the cumulative total return of the S&P 500 Index and the S&P 500 Banks Index for the past five years. This presentation assumes that the value of the investment in Regions' common stock and in each index was $100 and that all dividends were reinvested.

Item 6. Selected Financial Data

The information required by Item 6. is set forth in Table 1 "Financial Highlights" of "Management's Discussion and Analysis of Financial Condition and Results of Operations", which is included in Item 7. of this Annual Report on Form 10-K.

Item 7. Management's Discussion and Analysis of Financial Condition and Results of Operations

Item 7A. Quantitative and Qualitative Disclosures about Market Risk

EXECUTIVE SUMMARY

Management believes the following sections summarize several of the most relevant matters necessary for an understanding of the financial aspects of Regions Financial Corporation's ("Regions" or "the Company") business, particularly regarding its 2015 results. Cross references to more detailed information regarding each topic within Management's Discussion and Analysis of Financial Condition and Results of Operations ("MD&A") and the consolidated financial statements are included. This summary is intended to assist in understanding the information provided, but should be read in conjunction with the entire MD&A and consolidated financial statements, as well as the other sections of this Annual Report on Form 10-K.

2015 Results

Regions reported net income available to common shareholders from continuing operations of $1.0 billion , or $0.76 per diluted share, in 2015 compared to net income available to common shareholders from continuing operations of $1.1 billion , or $0.78 per diluted share, in 2014 .

Net interest income and other financing income (taxable-equivalent basis) from continuing operations totaled $3.4 billion in 2015 compared to $3.3 billion in 2014 . The net interest margin (taxable-equivalent basis) was 3.13 percent in 2015 , reflecting an 8 basis point decrease from 2014 primarily due to decreases in yields on earning assets exceeding the decline in funding costs.

The provision for loan losses totaled $241 million in 2015 compared to $69 million in 2014 . The increase in the provision for loan losses was primarily due to an increase in criticized and classified commercial loans in 2015 compared to 2014. The increase in the criticized and classified loans was isolated primarily to a small number of larger loans within the energy portfolio. Net charge-offs were 0.30 percent of average loans in 2015 , compared to 0.40 percent in 2014 .

Non-interest income from continuing operations was $2.1 billion in 2015 compared to $1.9 billion in 2014 . The increase from the prior year was driven primarily by $91 million of insurance proceeds recognized in 2015 related to the settlement of the previously disclosed and accrued 2010 class-action lawsuit. Capital markets fee income and other, as well as card and ATM fees also increased in 2015 compared to 2014. These increases more than offset a decline in service charges on deposit accounts year-over-year. See Table 5 "Non-Interest Income from Continuing Operations" for further details.

Non-interest expenses from continuing operations were $3.6 billion in 2015 compared to $3.4 billion in 2014 . The increase from the prior year was driven by the following: $73 million increase in salaries and employee benefits primarily due to increases in base salaries; $56 million related to branch consolidation, property and equipment charges; $23 million of FDIC insurance assessment adjustments to prior assessments recorded in the third quarter of 2015; $43 million in early extinguishment of debt charges; and $48 million in net legal and regulatory charges related to previously disclosed matters. The 2014 period included $16 million in charges related to announced branch consolidations, $35 million in gains related to the subsequent sale of modified residential first mortgage loans transferred to held for sale in late 2013, and $100 million in legal and regulatory charges related to previously disclosed matters. See Table 6 "Non-Interest Expense from Continuing Operations" for further details.

A discussion of activity within discontinued operations is included at the end of "Operating Results" in the Management's Discussion and Analysis section of this report.

For more information, refer to the following additional sections within this Form 10-K:

Capital

Capital Actions

As part of its 2015 CCAR submission, Regions' proposed capital plans included increasing its quarterly common stock dividend from $0.05 per share to $0.06 per share and the execution of up to $875 million in common share repurchases. The 2015 capital plans run from the second quarter of 2015 through the second quarter of 2016. The Federal Reserve did not object to these plans.

Regions' Board declared the higher common stock dividend each quarter in 2015 beginning with the second quarter. Management expects to continue to evaluate the amount of the common stock dividend with the Board and in conjunction with regulatory supervisors, subject to the Company's results of operations.

Regions' Board also approved the share repurchase plan. The share repurchase authority granted by the Board was available at the beginning of the second quarter of 2015 and will continue through the second quarter of 2016. As of December 31, 2015 ,

Regions had repurchased approximately 52 million shares of common stock at a total cost of approximately $520 million under this plan. The Company continued to repurchase shares under this plan into the first quarter of 2016. These shares were immediately retired upon repurchase and therefore are not included in treasury stock.

For more information refer to the following additional sections within this Form 10-K:

Regulatory Capital

Regions and Regions Bank are required to comply with applicable capital adequacy standards established by the Federal Reserve. In 2013, the Federal Reserve published the final Basel III Rules establishing an updated comprehensive capital framework for U.S. banking organizations. The Basel III Rules substantially revised the regulatory capital requirements applicable to BHCs and depository institutions, including Regions and Regions Bank. The Basel III Rules were effective for Regions and Regions Bank beginning January 1, 2015 (subject to a phase-in period), and maintained the minimum guidelines for Regions to be considered well-capitalized for Tier 1 capital and Total capital at 6.0% and 10.0%, respectively. At December 31, 2015 , Regions' Basel III Tier 1 capital and Total capital ratios were estimated to be 11.65% and 13.88% , respectively.

The Basel III Rules also officially defined "Common Equity Tier 1" ("CET1"). When fully phased in on January 1, 2019, the minimum ratio of CET1 to risk-weighted assets will be at least 4.5%, plus a 2.5% "capital conservation buffer" (which is added to the 4.5% CET1 ratio as that buffer is phased in, effectively resulting in a minimum ratio of CET1 to risk-weighted assets of at least 7.0% upon full implementation). Regions' Basel III CET1 ratio at December 31, 2015 on a transitional basis was 10.93 %. Regions' understanding of the framework is evolving and will likely change as analysis and discussions with regulators continue. Based on its current understanding, Regions estimates its fully phased-in CET1 ratio (non-GAAP) at December 31, 2015 to be 10.69 %.

For more information refer to the following additional sections within this Form 10-K:

Loan Portfolio and Credit

The Company grew total loans during 2015 by $3.9 billion or 5 percent compared to year-end 2014 . Loan growth was led by the commercial and industrial portfolio which increased $3.1 billion in 2015 and the residential mortgage portfolio which grew $496 million in 2015 . The Company had growth in all of its portfolios excluding owner-occupied commercial real estate and commercial investor real estate. The economy has been and will continue to be the primary factor which influences Regions' loan portfolio. Customers benefitted from steady improvement in overall economic conditions in 2015, particularly low interest rates and sharp declines in retail gasoline prices. These factors generated excess cash that has been used to support spending in other areas including paying down debt and increasing savings. Labor market and housing market conditions continued to improve at a steady but somewhat slow pace over the course of 2015. Overall, the rate of economic growth in 2016 is expected to remain in line with the modest trend rate of growth that has prevailed since the end of the 2007-2009 recession, while acknowledging headwinds in the non-auto manufacturing and energy sectors.

During the fourth quarter of 2015, the Company corrected the accounting for certain leases, for which Regions is the lessor. These leases had been previously classified as capital leases within total loans, but were subsequently determined to be operating leases and therefore were reclassified to other earning assets. These leases totaled approximately $834 million at December 31, 2015. The cumulative effect on pre-tax income lowered net interest income and other financing income $15 million. Management's expectation for 2016 average loan growth, excluding the lease reclassification, is in the 3 percent to 5 percent range.

Net charge-offs totaled $238 million, or 0.30 percent of average loans, in 2015 , compared to $307 million, or 0.40 percent in 2014 . Net charge-offs increased within commercial and industrial and indirect-vehicles, but were lower across most other loan categories when comparing 2015 to the prior year. Other credit metrics, including non-accrual loans, past due loans, and troubled debt restructurings showed continued improvement in 2015 compared to 2014 . However, criticized and classified commercial loans increased to $3.4 billion at December 31, 2015 from $2.7 billion at December 31, 2014. The increase in criticized and classified loans was primarily due to weakening in a small number of larger loans primarily within the energy portfolio. The allowance for loan losses at December 31, 2015 was 1.36 percent of total loans, net of unearned income, compared to 1.43 percent at December 31, 2014 . The coverage ratio of allowance for loan losses to non-performing loans was 1.41x at December 31, 2015 compared to 1.33x at December 31, 2014 .

For more information, refer to the following additional sections within this Form 10-K:

Net Interest Income and Other Financing Income, Margin and Interest Rate Risk

In 2015 , the net interest margin decreased 8 basis points to 3.13 percent, largely due to a 13 basis points decline in yield on earning assets only partially offset by a 5 basis points decline on funding costs. Taxable-equivalent net interest income and other financing income increased $39 million in 2015 , due primarily to a decline in both the volume of and rates paid on interest-bearing liabilities. This benefit was partially offset by a modest decline in interest income earned on approximately $3.8 billion of increased earning assets originated at lower interest rates. Despite the continued improvements in both cost and mix of interest-bearing liabilities, net interest income and other financing income and the resulting net interest margin continue to be pressured by a sustained low interest rate environment.

The Company expects to increase net interest income and other financing income in the range of 2 percent to 4 percent in 2016, commensurate with average loan growth in the 3 percent to 5 percent range. The high end of the range assumes an interest rate scenario equal to the market forward interest rates as of November 6, 2015, while the low end of the range assumes interest rates remain relatively unchanged from current low levels. However, new information learned after the November 6, 2015 estimation date increases the risk to the Company that it can achieve the high end of the target range. The new information includes legislation signed into law setting the dividend paid to Regions on Federal Reserve stock at the 10-year U.S. Treasury rate. Based on that rate at December 31, 2015, the reduction in the dividend paid to Regions is estimated to be approximately $18 million annually.

For more information, refer to the following additional sections within this Form 10-K:

Liquidity

At the end of 2015 , Regions Bank had over $3.9 billion in cash on deposit with the Federal Reserve and the loan-to-deposit ratio was 83 percent. Cash and cash equivalents at the parent company totaled $759 million. Regions' liquidity policy related to minimum holding company cash requirements requires the holding company to maintain cash sufficient to cover the greater of (1) 18 months of debt service and other cash needs or (2) a minimum cash balance of $500 million.

At December 31, 2015 , the Company's borrowing capacity with the Federal Reserve was $21.5 billion based on available collateral. Borrowing availability with the Federal Home Loan Bank was $5.8 billion based on available collateral at the same date. The Company has approximately $11.7 billion of unencumbered liquid securities available for pledging. Regions also maintains a shelf registration statement with the U.S. Securities and Exchange Commission that can be utilized by the Company to issue various debt and/or equity securities. Additionally, Regions' Board has approved a bank note program which would allow Regions Bank to issue up to $5 billion in aggregate principal amount of bank notes outstanding at any one time. As of December 31, 2015 , no issues have been made under this program.

In 2014, the Federal Reserve Board, the Office of the Comptroller of the Currency and the Federal Deposit Insurance Corporation approved a final rule implementing a minimum LCR requirement for certain large BHCs, savings and loan holding companies and depository institutions, and a less stringent LCR requirement (the "modified LCR") for other banking organizations, such as Regions, with $50 billion or more in total consolidated assets. The final rule imposes a monthly calculation requirement. In January 2016, the minimum phased-in LCR requirement will be 90 percent, followed by 100 percent in January 2017. The regulatory agencies have released an NPR that would require public disclosures of certain LCR measures beginning in 2018. The comment period for this NPR ends in February 2016. At December 31, 2015, the Company was fully compliant with the LCR requirement.

For more information, refer to the following additional sections within this Form 10-K:

GENERAL

The following discussion and financial information is presented to aid in understanding Regions' financial position and results of operations. The emphasis of this discussion will be on continuing operations for the years 2015 , 2014 and 2013 ; in addition, financial information for prior years will also be presented when appropriate.

Effective January 1, 2015, the Company adopted new guidance related to the accounting for investments in qualified affordable housing projects. The guidance required retrospective application. All prior period amounts impacted by this guidance have been revised. Refer to Note 1 "Summary of Significant Accounting Policies" and Note 2 "Variable Interest Entities" to the consolidated financial statements for further details. Certain other amounts in prior year presentations have also been reclassified to conform to the current year presentation, except as otherwise noted.

Regions' profitability, like that of many other financial institutions, is dependent on its ability to generate revenue from net interest income and other financing income as well as non-interest income sources. Net interest income and other financing income is primarily the difference between the interest income Regions receives on interest-earning assets, such as loans and securities, and the interest expense Regions pays on interest-bearing liabilities, principally deposits and borrowings. Regions' net interest income and other financing income is impacted by the size and mix of its balance sheet components and the interest rate spread between interest earned on its assets and interest paid on its liabilities. Net interest income and other financing income also includes rental income and depreciation expense associated with operating leases for which Regions is the lessor. Non-interest income includes fees from service charges on deposit accounts, card and ATM fees, mortgage servicing and secondary marketing, investment management and trust activities, insurance activities, capital markets and other customer services which Regions provides. Results of operations are also affected by the provision for loan losses and non-interest expenses such as salaries and employee benefits, occupancy, professional, legal and regulatory expenses, FDIC insurance assessments and other operating expenses, as well as income taxes.

Economic conditions, competition, new legislation and related rules impacting regulation of the financial services industry and the monetary and fiscal policies of the Federal government significantly affect most, if not all, financial institutions, including Regions. Lending and deposit activities and fee income generation are influenced by levels of business spending and investment, consumer income, consumer spending and savings, capital market activities, and competition among financial institutions, as well as customer preferences, interest rate conditions and prevailing market rates on competing products in Regions' market areas.

Regions' business strategy has been and continues to be focused on providing a competitive mix of products and services, delivering quality customer service and maintaining a branch distribution network with offices in convenient locations.

Recent Acquisitions

On October 23, 2015, Regions announced the acquisition of BlackArch Partners, a private, middle-market mergers and acquisitions advisory firm headquartered in Charlotte, North Carolina. BlackArch Partners will maintain its name, leadership and headquarters in Charlotte and will operate as a Regions' subsidiary reporting through the Corporate Bank.

On August 3, 2015, Regions announced the acquisition of The A.I. Group, Inc. The A.I. Group, Inc. has offices in greater Atlanta and Athens, Georgia and provides employee benefits consulting and insurance brokerage services focusing on mid-sized and large employers throughout the U.S.

Dispositions

On January 11, 2012, Regions entered into a stock purchase agreement to sell Morgan Keegan and related affiliates to Raymond James. The sale closed on April 2, 2012. Regions Investment Management, Inc. (formerly known as Morgan Asset Management, Inc.) and Regions Trust were not included in the sale. They are now included in the Wealth Management segment.

Results of operations for the entities sold are presented separately as discontinued operations for all periods presented on the consolidated statements of income. Other expenses related to the transaction are also included in discontinued operations. Refer to Note 3 "Discontinued Operations" and Note 24 "Commitments, Contingencies, and Guarantees" to the consolidated financial statements for further details.

Business Segments

Regions provides traditional commercial, retail and mortgage banking services, as well as other financial services in the fields of asset management, wealth management, securities brokerage, insurance and other specialty financing. Regions carries out its strategies and derives its profitability from three reportable segments: Corporate Bank, Consumer Bank, and Wealth Management, with the remainder split between Discontinued Operations and Other. During the fourth quarter of 2014, Regions reorganized its internal management structure and, accordingly, its segment reporting structure. Previously, Regions' three operating segments were Business Services, Consumer Services, and Wealth Management. Under the organizational realignment, Regions has created a Consumer Bank, which consists principally of the previous Consumer Services segment with businesses that serve retail and small business banking customers, and a Corporate Bank, which consists principally of the previous Business Services segment with businesses that serve middle-market and large commercial clients. Previously, small business banking was included within Business Services, but is now included in the Consumer Bank as its product set is more consistent with those offered in that segment. The Wealth Management segment remained unchanged during the reorganization. Segment results for all periods presented were recast in 2014 to reflect this organizational realignment.

See Note 23 "Business Segment Information" to the consolidated financial statements for further information on Regions' business segments.

Table 1-Financial Highlights

________

NM-Not meaningful

NON-GAAP MEASURES

The table below presents computations of earnings and certain other financial measures, which exclude certain significant items that are included in the financial results presented in accordance with GAAP. These non-GAAP financial measures include "adjusted fee income ratio", "adjusted efficiency ratio", "return on average tangible common stockholders' equity", average and end of period "tangible common stockholders' equity", and "Basel III CET1, on a fully phased-in basis" and related ratios. Regions believes that expressing earnings and certain other financial measures excluding these significant items provides a meaningful base for period-to-period comparisons, which management believes will assist investors in analyzing the operating results of the Company and predicting future performance. These non-GAAP financial measures are also used by management to assess the performance of Regions' business because management does not consider the activities related to the adjustments to be indications of ongoing operations. Regions believes that presentation of these non-GAAP financial measures will permit investors to assess the performance of the Company on the same basis as that applied by management. Management and the Board utilize these non-GAAP financial measures as follows:

The adjusted efficiency ratio (non-GAAP), which is a measure of productivity, is generally calculated as non-interest expense divided by total revenue on a taxable-equivalent basis. The adjusted fee income ratio (non-GAAP) is generally calculated as non-interest income divided by total revenue on a taxable-equivalent basis. Management uses these ratios to monitor performance and believes these measures provide meaningful information to investors. Non-interest expense (GAAP) is presented excluding adjustments to arrive at adjusted non-interest expense (non-GAAP), which is the numerator for the adjusted efficiency ratio. Non-interest income (GAAP) is presented excluding adjustments to arrive at adjusted non-interest income (non-GAAP), which is the numerator for the adjusted fee income ratio. Net interest income and other financing income on a taxable-equivalent basis and non-interest income are added together to arrive at total revenue on a taxable-equivalent basis. Adjustments are made to arrive at adjusted total revenue on a taxable-equivalent basis (non-GAAP), which is the denominator for the adjusted efficiency and adjusted fee income ratios.

Tangible common stockholders' equity ratios have become a focus of some investors in analyzing the capital position of the Company absent the effects of intangible assets and preferred stock. Traditionally, the Federal Reserve and other banking regulatory bodies have assessed a bank's capital adequacy based on Tier 1 capital, the calculation of which is codified in federal banking regulations. Analysts and banking regulators have assessed Regions' capital adequacy using the tangible common stockholders'

equity measure. Because tangible common stockholders' equity is not formally defined by GAAP, this measure is considered to be a non-GAAP financial measure and other entities may calculate it differently than Regions' disclosed calculations. Since analysts and banking regulators may assess Regions' capital adequacy using tangible common stockholders' equity, Regions believes that it is useful to provide investors the ability to assess Regions' capital adequacy on this same basis.

The Basel Committee's Basel III framework will strengthen international capital and liquidity regulations. When fully phased in, Basel III will increase capital requirements through higher minimum capital levels as well as through increases in risk-weights for certain exposures. Additionally, the Basel III rules place greater emphasis on common equity. The Federal Reserve released its final Basel III Rules detailing the U.S. implementation of Basel III in 2013. Regions, as a standardized approach bank, began transitioning to the Basel III framework in January 2015 subject to a phase-in period extending through January 2019. Because the Basel III implementation regulations will not be fully phased in until 2019 and, are not formally defined by GAAP, these measures are considered to be non-GAAP financial measures. Since analysts and banking regulators may assess Regions' capital adequacy using the fully phased-in Basel III framework, Regions believes that it is useful to provide investors information enabling them to assess Regions' capital adequacy on the same basis.

Non-GAAP financial measures have inherent limitations, are not required to be uniformly applied and are not audited. Although these non-GAAP financial measures are frequently used by stakeholders in the evaluation of a company, they have limitations as analytical tools, and should not be considered in isolation, or as a substitute for analyses of results as reported under GAAP. In particular, a measure of earnings that excludes selected items does not represent the amount that effectively accrues directly to stockholders.

The following tables provide: 1) a reconciliation of net income (GAAP) to net income available to common shareholders (GAAP), 2) a reconciliation of non-interest expense from continuing operations (GAAP) to adjusted non-interest expense (non-GAAP), 3) a reconciliation of non-interest income from continuing operations (GAAP) to adjusted non-interest income (non-GAAP), 4) a computation of adjusted total revenue (non-GAAP), 5) a computation of the adjusted efficiency ratio (non-GAAP), 6) a computation of the adjusted fee income ratio (non-GAAP), 7) a reconciliation of average and ending stockholders' equity (GAAP) to average and ending tangible common stockholders' equity (non-GAAP) and calculations of related ratios (non-GAAP), 8) a reconciliation of stockholders' equity (GAAP) to Basel III CET1, on a fully phased-in basis (non-GAAP), and calculation of the related ratio based on Regions' current understanding of the Basel III requirements (non-GAAP).

Table 2-GAAP to Non-GAAP Reconciliation

 _________

(3) In the fourth quarter of 2012, Regions entered into an agreement with a third party investor in Regions Asset Management Company, Inc., pursuant to which the investment was fully redeemed. This resulted in extinguishing a $203 million liability, including accrued, unpaid interest, as well as incurring early termination costs of approximately $42 million on a pre-tax basis ($38 million after tax).

(4) Insurance proceeds recognized in 2015 are related to the settlement of the previously disclosed 2010 class-action lawsuit.

(5) In the third quarter of 2013, Regions recorded a $24 million gain on sale of a non-core portion of a Wealth Management business.

(6) The 2015 amounts and the resulting ratio are estimated. Regulatory capital measures for periods prior to 2015 were not revised to reflect the retrospective application of new accounting guidance related to investments in qualified affordable housing projects. As a result, those calculations are not included in the table.

(7) Regions continues to develop systems and internal controls to precisely calculate risk-weighted assets as required by Basel III on a fully phased-in basis. The amounts included above are a reasonable approximation, based on our understanding of the requirements.

CRITICAL ACCOUNTING ESTIMATES AND RELATED POLICIES

In preparing financial information, management is required to make significant estimates and assumptions that affect the reported amounts of assets, liabilities, income and expenses for the periods shown. The accounting principles followed by Regions and the methods of applying these principles conform with accounting principles generally accepted in the U.S. and general banking practices. Estimates and assumptions most significant to Regions are related primarily to the allowance for credit losses, fair value measurements, intangible assets (goodwill and other identifiable intangible assets), residential MSRs and income taxes, and are summarized in the following discussion and in the notes to the consolidated financial statements.

Allowance for Credit Losses

The allowance for credit losses ("allowance") consists of two components: the allowance for loan and lease losses and the reserve for unfunded credit commitments. The allowance represents management's estimate of probable credit losses inherent in the loan and credit commitment portfolios as of period end.

The allowance is sensitive to a variety of internal factors, such as modifications in the mix and level of loan balances outstanding, portfolio performance and assigned risk ratings, as well as external factors, such as the general health of the economy, as evidenced by changes in real estate demand and values, interest rates, unemployment rates, bankruptcy filings, fluctuations in the GDP, commodity prices and the effects of weather and natural disasters such as droughts, floods and hurricanes. Management considers these variables and all other available information when establishing the final level of the allowance. These variables and others have the ability to result in actual loan losses that differ from the originally estimated amounts.

Management's estimate of the allowance for the commercial and investor real estate portfolio segments could be affected by estimates of losses inherent in various product types as a result of fluctuations in the general economy, developments within a particular industry, or changes in an individual customer's credit due to factors particular to that credit, such as competition, management or business performance. For non-accrual commercial and investor real estate loans equal to or greater than $2.5 million, the allowance for loan losses is based on note-level evaluation considering the facts and circumstances specific to each borrower. For all other commercial and investor real estate loans, the allowance for loan losses is based on statistical models using a PD and an LGD. Historical default information for similar loans is used as an input for the statistical model. A 5 percent increase in the PD for non-defaulted commercial and investor real estate accounts and a 5 percent increase in the LGD for all accounts would result in an increase to estimated inherent losses of approximately $55 million.

For residential real estate mortgages, home equity lending and other consumer-related loans, individual products are reviewed on a group basis or in loan pools (e.g., residential real estate mortgage pools). Losses can be affected by such factors as collateral value, loss severity, the economy and other uncontrollable factors. A 5 percent increase or decrease in the estimated loss rates on these loans would change estimated inherent losses by approximately $11 million.

The pro forma inherent loss analysis presented above demonstrates the sensitivity of the allowance to key assumptions. This sensitivity analysis does not reflect an expected outcome. A full discussion of these assumptions and other factors is included in the "Allowance for Credit Losses" section within the discussion of "Credit Risk", found in a later section of this report, Note 1 "Summary of Significant Accounting Policies", and Note 6 "Allowance for Credit Losses" to the consolidated financial statements.

Fair Value Measurements

A portion of the Company's assets and liabilities is carried at fair value, with changes in fair value recorded either in earnings or accumulated other comprehensive income (loss). These include trading account securities, securities available for sale, mortgage loans held for sale, residential MSRs and derivative assets and liabilities. From time to time, the estimation of fair value also affects other loans held for sale, which are recorded at the lower of cost or fair value. Fair value determination is also relevant for certain other assets such as foreclosed property and other real estate, which are recorded at the lower of the recorded investment in the loan/property or fair value, less estimated costs to sell the property. For example, the fair value of other real estate is determined based on recent appraisals by third parties and other market information, less estimated selling costs. Adjustments to the appraised value are made if management becomes aware of changes in the fair value of specific properties or property types. The determination of fair value also impacts certain other assets that are periodically evaluated for impairment using fair value estimates, including goodwill and other identifiable intangible assets.

Fair value is generally defined as the price that would be received to sell an asset or paid to transfer a liability (an exit price) as opposed to the price that would be paid to acquire the asset or received to assume the liability (an entry price), in an orderly transaction between market participants at the measurement date under current market conditions. While management uses judgment when determining the price at which willing market participants would transact when there has been a significant decrease in the volume or level of activity for the asset or liability in relation to "normal" market activity, management's objective is to determine the point within the range of fair value estimates that is most representative of a sale to a third-party investor under current market conditions. The value to the Company if the asset or liability were held to maturity is not included in the fair value estimates.

A fair value measure should reflect the assumptions that market participants would use in pricing the asset or liability, including the assumptions about the risk inherent in a particular valuation technique, the effect of a restriction on the sale or use

of an asset and the risk of nonperformance. Fair value is measured based on a variety of inputs the Company utilizes. Fair value may be based on quoted market prices for identical assets or liabilities traded in active markets (Level 1 valuations). If market prices are not available, quoted prices for identical or similar instruments in markets that are not active and model-based valuation techniques for which all significant assumptions are observable in the market are used (Level 2 valuations). Where observable market data is not available, the valuation is generated from model-based techniques that use significant assumptions not observable in the market, but observable based on Company-specific data (Level 3 valuations). These unobservable assumptions reflect the Company's own estimates for assumptions that market participants would use in pricing the asset or liability. Valuation techniques typically include option pricing models, discounted cash flow models and similar techniques, but may also include the use of market prices of assets or liabilities that are not directly comparable to the subject asset or liability.

See Note 1 "Summary of Significant Accounting Policies" to the consolidated financial statements for a detailed discussion of determining fair value, including pricing validation processes.

Intangible Assets

Regions' intangible assets consist primarily of the excess of cost over the fair value of net assets of acquired businesses ("goodwill") and other identifiable intangible assets (primarily core deposit intangibles and purchased credit card relationships). Goodwill totaled $4.9 billion and $4.8 billion at December 31, 2015 and 2014 , respectively, and is allocated to each of Regions' reportable segments (each a reporting unit: Corporate Bank, Consumer Bank, and Wealth Management). Refer to Note 23 "Business Segment Information" to the consolidated financial statements for discussion of Regions' reorganization of its management reporting structure during the fourth quarter of 2014 and, accordingly, its segment reporting structure and goodwill reporting units. In connection with the reorganization, management reallocated goodwill to the new reporting units using a relative fair value approach. Goodwill is tested for impairment on an annual basis as of October 1 or more often if events and circumstances indicate impairment may exist (refer to Note 1 "Summary of Significant Accounting Policies" to the consolidated financial statements for further discussion).

A test of goodwill for impairment consists of two steps. In Step One, the fair value of the reporting unit is compared to its carrying amount, including goodwill. To the extent that the estimated fair value of the reporting unit exceeds the carrying value, impairment is not indicated and no further testing is required. Conversely, if the estimated fair value of the reporting unit is below its carrying amount, Step Two must be performed. Step Two consists of determining the implied estimated fair value of goodwill, which is the net difference between the valuation adjustments of assets and liabilities excluding goodwill and the valuation adjustment to equity (from Step One) of the reporting unit. The carrying value of equity for each reporting unit is determined from an allocation based upon risk weighted assets. Adverse changes in the economic environment, declining operations of the reporting unit, or other factors could result in a decline in the estimated implied fair value of goodwill. If the estimated implied fair value of goodwill is less than the carrying amount, a loss would be recognized to reduce the carrying amount to the estimated implied fair value.

The estimated fair value of the reporting unit is determined using a blend of both income and market approaches. Within the income approach, which is the primary valuation approach, Regions utilizes the CAPM in order to derive the base discount rate. The inputs to the CAPM include the 20-year risk-free rate, 5-year beta for a select peer set specific to each reporting unit, and a market risk premium, all based on published data. To determine the estimated cost of equity for each reporting unit, a size premium is added (also based on a published source) as well as a company-specific risk premium for each reporting unit, which is an estimate determined by the Company and meant to compensate for the risk inherent in the future cash flow projections and inherent differences (such as business model and market perception of risk) between Regions and the peer set. Regions evaluates the appropriateness of the inputs to the CAPM at each test date. Company specific factors considered during recent evaluation periods include positive results of operations, stable asset quality and strong capital and liquidity positions.

In estimating future cash flows, a balance sheet as of the test date and statements of income for the last twelve months of activity for each reporting unit is compiled. From that point, future balance sheets and statements of income are projected based on the inputs. Cash flows are based on expected future capitalization requirements due to balance sheet growth and anticipated changes in regulatory capital requirements. The baseline cash flows utilized in all models correspond to the most recent internal forecasts and/or budgets. These internal forecasts range from 1 to 3 years and are based on inputs developed in the Company's internal strategic planning processes.

Regions uses the GCM and the GTM as its market approaches. The GCM applies a value multiplier derived from each reporting unit's peer group to a financial metric and an implied control premium to the respective reporting units. The control premium is evaluated and compared to similar financial services transactions considering the absolute and relative potential revenue synergies and cost savings. The GTM applies a value multiplier to a financial metric of the reporting unit based on comparable observed purchase transactions in the financial services industry for the reporting unit.

Refer to Note 10 "Intangible Assets" to the consolidated financial statements for further discussion of these approaches and related assumptions. The fair values of assets and liabilities in Step Two, if applicable, are determined using an exit price concept. Refer to the discussion of fair value in Note 1 "Summary of Significant Accounting Policies" to the consolidated financial statements for discussions of the exit price concept and the determination of fair values of financial assets and liabilities.

The results of the calculations for the fourth quarter of 2015 indicated that the estimated fair values of the Corporate Bank, Consumer Bank and Wealth Management reporting units were $9.1 billion, $7.9 billion and $2.1 billion, respectively, which were greater than their carrying amounts of $8.1 billion, $6.8 billion and $1.2 billion, respectively. Therefore, the goodwill of each reporting unit was considered not impaired as of the testing date, and Step Two of the goodwill impairment test was not required. Refer to Note 10 "Intangible Assets" to the consolidated financial statements for the key assumptions used in estimating the fair value of each reporting unit as of fourth quarter 2015 and fourth quarter 2014.

Specific factors as of the date of filing the financial statements that could negatively impact the assumptions used in assessing goodwill for impairment include: a protracted decline in the Company's market capitalization; disparities in the level of fair value changes in net assets (especially loans) compared to equity; increases in book values of equity of a reporting unit in excess of the increase in fair value of equity; adverse business trends resulting from litigation and/or regulatory actions; higher loan losses; lengthened forecasts of high unemployment levels; future increased minimum regulatory capital requirements above current thresholds (refer to Note 14 "Regulatory Capital Requirements and Restrictions" to the consolidated financial statements for a discussion of current minimum regulatory requirements); future federal rules and regulations (e.g., such as those resulting from the Dodd-Frank Act); and/or a protraction in the current low level of interest rates significantly beyond 2016.

For sensitivity analysis, a discount rate of 12.0 percent for the Corporate Bank and Consumer Bank reporting units and 13.0 percent for the Wealth Management reporting unit would result in estimated fair values of equity of $8.3 billion, $7.2 billion, and $1.9 billion, respectively. All three reporting units' estimated fair value would continue to exceed the book value by approximately $167 million, $431 million, and $679 million, respectively, and would not require Step Two procedures. This assumes all other assumptions would remain unchanged in the fourth quarter of 2015 calculation.

If the prior year inputs for GCM and GTM had remained the same for the fourth quarter of 2015, the estimated fair value would continue to exceed book value for the Corporate Bank, Consumer Bank, and Wealth Management reporting units by approximately $667 million, $730 million, and $880 million, respectively. This assumes all other assumptions would remain unchanged in the fourth quarter of 2015 calculation.

Sensitivity calculations are hypothetical and should not be considered to be predictive of future performance. Changes in implied fair value based on adverse changes in assumptions generally cannot be extrapolated because the relationship of the change in assumption to the change in fair value may not be linear. Also, the effect of an adverse variation in a particular assumption on the implied fair value of goodwill is calculated without changing any other assumption, while in reality changes in one factor may result in changes in another which may either magnify or counteract the effect of the change.

Other material identifiable intangible assets, primarily core deposit intangibles and purchased credit card relationships, are reviewed at least annually (usually in the fourth quarter) for events or circumstances which could impact the recoverability of the intangible asset. These events could include loss of core deposits, significant losses of credit card accounts and/or balances, increased competition or adverse changes in the economy. To the extent an other identifiable intangible asset is deemed unrecoverable, an impairment loss would be recorded to reduce the carrying amount. These events or circumstances, if they occur, could be material to Regions' operating results for any particular reporting period but the potential impact cannot be reasonably estimated.

Residential Mortgage Servicing Rights

Regions has elected to measure and report its residential MSRs using the fair value method. Although sales of residential MSRs do occur, residential MSRs do not trade in an active market with readily observable market prices and the exact terms and conditions of sales may not be readily available, and are therefore Level 3 valuations in the fair value hierarchy previously discussed in the "Fair Value Measurements" section. Specific characteristics of the underlying loans greatly impact the estimated value of the related residential MSRs. As a result, Regions stratifies its residential mortgage servicing portfolio on the basis of certain risk characteristics, including loan type and contractual note rate, and values its residential MSRs using discounted cash flow modeling techniques. These techniques require management to make estimates regarding future net servicing cash flows, taking into consideration historical and forecasted residential mortgage loan prepayment rates, discount rates, escrow balances and servicing costs. Changes in interest rates, prepayment speeds or other factors impact the fair value of residential MSRs which impacts earnings. The carrying value of residential MSRs was $252 million at December 31, 2015 . Based on a hypothetical sensitivity analysis, Regions estimates that a reduction in primary mortgage market rates of 25 basis points and 50 basis points would reduce the December 31, 2015 fair value of residential MSRs by approximately 5 percent ($13 million) and 11 percent ($27 million), respectively. Conversely, 25 basis point and 50 basis point increases in these rates would increase the December 31, 2015 fair value of residential MSRs by approximately 5 percent ($12 million) and 9 percent ($23 million), respectively. Regions also estimates that an increase in servicing costs of approximately $10 per loan, or 17 percent, would result in a decline in the value of the residential MSRs by approximately $8 million.

The pro forma fair value analysis presented above demonstrates the sensitivity of fair values to hypothetical changes in primary mortgage rates. This sensitivity analysis does not reflect an expected outcome. Refer to the "Residential Mortgage Servicing Rights" discussion in the "Balance Sheet" analysis section found later in this report.

Income Taxes

Accrued income taxes are reported as a component of either other assets or other liabilities, as appropriate, in the consolidated balance sheets and reflect management's estimate of income taxes to be paid or received.

Deferred income taxes represent the amount of future income taxes to be paid or received and are accounted for using the asset and liability method. The net balance is reported as a component of either other assets or other liabilities, as appropriate, in the consolidated balance sheets. The Company determines the realization of the deferred tax asset based upon an evaluation of the four possible sources of taxable income: 1) the future reversals of taxable temporary differences; 2) future taxable income exclusive of reversing temporary differences and carryforwards; 3) taxable income in prior carryback years; and 4) tax-planning strategies. In projecting future taxable income, the Company utilizes forecasted pre-tax earnings, adjusts for the estimated book-tax differences and incorporates assumptions, including the amounts of income allocable to taxing jurisdictions. These assumptions require significant judgment and are consistent with the plans and estimates the Company uses to manage the underlying businesses. The realization of the deferred tax assets could be reduced in the future if these estimates are significantly different than forecasted. For a detailed discussion of realization of deferred tax assets, refer to the "Income Taxes" section found later in this report.

The Company is subject to income tax in the U.S. and multiple state and local jurisdictions. The tax laws and regulations in each jurisdiction may be interpreted differently in certain situations, which could result in a range of outcomes. Thus, the Company is required to exercise judgment regarding the application of these tax laws and regulations. The Company will evaluate and recognize tax liabilities related to any tax uncertainties. Due to the complexity of some of these uncertainties, the ultimate resolution may result in a payment that is different from the current estimate of the tax liabilities.

The Company's estimate of accrued income taxes, deferred income taxes and income tax expense can also change in any period as a result of new legislative or judicial guidance impacting tax positions, as well as changes in income tax rates. Any changes, if they occur, can be significant to the Company's consolidated financial position, results of operations or cash flows.

OPERATING RESULTS

NET INTEREST INCOME AND OTHER FINANCING INCOME AND MARGIN

Net interest income and other financing income is Regions' principal source of income and is one of the most important elements of Regions' ability to meet its overall performance goals. Net interest income and other financing income (taxable-equivalent basis) increased approximately $39 million, or 1 percent in 2015 from 2014 , driven primarily by loan growth, balance sheet management strategies, and modest reductions in liability costs. The net interest margin decreased to 3.13 percent in 2015 from 3.21 percent in 2014 , due to a decrease in yields on earning assets exceeding the decline in total funding costs during 2015, coupled with increases in high quality liquid asset balances.

Comparing 2015 to 2014 , average earning asset yields were lower, decreasing 13 basis points. However, interest-bearing liability rates were also lower, declining by 6 basis points. As a result, the net interest rate spread decreased 7 basis points to 2.99 percent in 2015 compared to 3.06 percent in 2014 .

An accommodative monetary policy stance pursued by the Federal Reserve for the majority of 2015, as well as the modest pace of economic recovery resulted in continued low levels of both long and short-term interest rates in 2015, both of which have influence on net interest margin and net interest income and other financing income. Long-term interest rates are generally represented by the yield on the benchmark 10-year U.S. Treasury note. The 10-year U.S. Treasury note was 2.12 percent at the beginning of 2015 and ended the year at 2.27 percent. The average yield on the benchmark 10-year U.S. Treasury note decreased to 2.14 percent in 2015 compared to 2.54 percent in 2014. Earning asset yields on fixed-rate loans and securities remained under pressure by the continuation of historically low long-term interest rates. One way in which long-term interest rates affect asset yields is through their influence on prepayment activity. Low levels of long-term interest rates generate higher levels of prepayments, particularly within fixed-rate loan and securities portfolios, which has resulted in the replacement of these assets at lower rates of interest. Additionally, the Federal Reserve's Large-Scale Asset Purchase program along with other government programs such as HARP have influenced levels of interest rates and prepayments among loans and securities in a similar fashion. As a result of lower interest rates, lower reinvestment yields and prepayments, the taxable investment securities portfolio, which contains significant residential fixed-rate exposure, decreased in yield to 2.34 percent in 2015 from 2.47 percent in 2014. The Company's loan pricing is also influenced by short-term interest rates such as the 30-day LIBOR, which on average was 20 basis points in 2015 , compared to 16 basis points in 2014 , and therefore had minimal impact on changes in the net interest margin.

The negative impact of low, long-term interest rates on earning asset yields was somewhat offset by improvements in liability costs in 2015. The rates that most directly influence deposits costs (such as the Federal Reserve's Rate of Interest on Excess Reserves and the Prime rate) remained low throughout 2015, even with the 0.25 percent increase in rates during the fourth quarter. With this, deposit costs remained at the historical low level of 11 basis points for both 2015 and 2014. The improvement in funding costs was primarily due to changes in long-term borrowings. Average long-term borrowings increased to $5.0 billion in 2015 as compared to $4.1 billion in 2014 , but the cost on these borrowings decreased 184 basis points. See the "Long-Term Borrowings" section in Management's Discussion and Analysis and Note 13 "Long-Term Borrowings" to the consolidated financial statements for additional information.

See also the "Market Risk-Interest Rate Risk" section in Management's Discussion and Analysis for additional information.

Management expects to increase net interest income and other financing income in the range of 2 percent to 4 percent in 2016, commensurate with average loan growth in the 3 percent to 5 percent range. The high end of the range assumes an interest rate scenario equal to the market forward interest rates as of November 6, 2015, while the low end of the range assumes interest rates remaining relatively unchanged from current low levels. However, new information learned after the November 6, 2015 estimation date increases the risk to the Company that it can achieve the high end of the target range. The new information includes legislation signed into law setting the dividend paid to Regions on Federal Reserve stock at the 10-year U.S. Treasury rate. Based on that rate at December 31, 2015, the reduction in the dividend paid to Regions is estimated to be approximately $18 million annually.

Table 3 "Consolidated Average Daily Balances and Yield/Rate Analysis for Continuing Operations" presents a detail of net interest income and other financing income (on a taxable-equivalent basis), the net interest margin, and the net interest spread.

Table 3-Consolidated Average Daily Balances and Yield/Rate Analysis for Continuing Operations