_____________________________________ 

(Mark One)

For the quarterly period ended March 31, 2016 , or

For the transition period from             to             

Commission file number 001-15451

_____________________________________ 

(Exact name of registrant as specified in its charter)

(404) 828-6000

(Registrant's telephone number, including area code)

_____________________________________ 

Former name, former address and former fiscal year, if changed since last report.

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   ☑     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 during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files).    Yes   ☑     No   ¨

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 definitions of "accelerated filer", "large accelerated filer", and "smaller reporting company" in Rule 12b-2 of the Exchange Act. Check one: Large accelerated filer   ☑  Accelerated filer   ¨ Non-accelerated filer   ¨     (Do not check if a smaller reporting company) Smaller reporting company   ¨

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

There were 192,217,866 Class A shares, and 690,451,249 Class B shares, with a par value of $0.01 per share, outstanding at April 25, 2016 .

UNITED PARCEL SERVICE, INC.

QUARTERLY REPORT ON FORM 10-Q FOR THE QUARTER ENDED MARCH 31, 2016

PART I. FINANCIAL INFORMATION

Cautionary Statement About Forward-Looking Statements

This report includes certain "forward-looking statements" within the meaning of the Private Securities Litigation Reform Act of 1995. Statements in the future tense, and all statements accompanied by terms such as "believe," "project," "expect," "estimate," "assume," "intend," "anticipate," "target," "plan," and variations thereof and similar terms are intended to be forward-looking statements. We intend that all forward-looking statements we make will be subject to safe harbor protection of the federal securities laws pursuant to Section 27A of the Securities Act of 1933 and Section 21E of the Securities Exchange Act of 1934.

Our disclosure and analysis in this report, in our Annual Report on Form 10-K for the year ended December 31, 2015 and in our other filings with the Securities and Exchange Commission contain forward-looking statements regarding our intent, belief and current expectations about our strategic direction, prospects and future results. From time to time, we also provide forward-looking statements in other materials we release as well as oral forward-looking statements. Such statements give our current expectations or forecasts of future events; they do not relate strictly to historical or current facts. Management believes that these forward-looking statements are reasonable as and when made. However, caution should be taken not to place undue reliance on any such forward-looking statements because such statements speak only as of the date when made.

Forward-looking statements are subject to certain risks and uncertainties that could cause actual results to differ materially from our historical experience and our present expectations or anticipated results. These risks and uncertainties include, but are not limited to: general economic conditions, both in the U.S. and internationally; significant competition on a local, regional, national, and international basis; changes in our relationships with our significant customers; the existing complex and stringent regulation in the U.S. and internationally, changes to which can impact our business; increased security requirements that may increase our costs of operations and reduce operating efficiencies; legal, regulatory or market responses to global climate change; negotiation and ratification of labor contracts; strikes, work stoppages and slowdowns by our employees; the effects of changing prices of energy, including gasoline, diesel and jet fuel, and interruptions in supplies of these commodities; changes in exchange rates or interest rates; our ability to maintain the image of our brand; breaches in data security; disruptions to the Internet or our technology infrastructure; our ability to accurately forecast our future capital investment needs; exposure to changing economic, political and social developments in international and emerging markets; changes in business strategy, government regulations, or economic or market conditions that may result in substantial impairment of our assets; increases in our expenses or funding obligations relating to employee health, retiree health and/or pension benefits; the potential for various claims and litigation related to labor and employment, personal injury, property damage, business practices, environmental liability and other matters; our ability to realize the anticipated benefits from acquisitions, joint ventures or strategic alliances; our ability to manage insurance and claims expenses; and other risks discussed in our filings with the Securities and Exchange Commission from time to time, including our Annual Report on Form 10-K for the year ended December 31, 2015 , or described from time to time in our future reports filed with the Securities and Exchange Commission. You should consider the limitations on, and risks associated with, forward-looking statements and not unduly rely on the accuracy of predictions contained in such forward-looking statements. We do not undertake any obligation to update forward-looking statements to reflect events, circumstances, changes in expectations, or the occurrence of unanticipated events after the date of those statements.

Item 1. Financial Statements

UNITED PARCEL SERVICE, INC. AND SUBSIDIARIES

CONSOLIDATED BALANCE SHEETS

March 31, 2016 (unaudited) and December 31, 2015

(In millions)

See notes to unaudited consolidated financial statements.

UNITED PARCEL SERVICE, INC. AND SUBSIDIARIES

STATEMENTS OF CONSOLIDATED INCOME

(In millions, except per share amounts)

(unaudited)

STATEMENTS OF CONSOLIDATED COMPREHENSIVE INCOME

(In millions)

(unaudited)

See notes to unaudited consolidated financial statements.

UNITED PARCEL SERVICE, INC. AND SUBSIDIARIES

STATEMENTS OF CONSOLIDATED CASH FLOWS

(In millions)

(unaudited)

See notes to unaudited consolidated financial statements.

UNITED PARCEL SERVICE, INC. AND SUBSIDIARIES

NOTES TO UNAUDITED CONSOLIDATED FINANCIAL STATEMENTS

NOTE 1 . BASIS OF PRESENTATION

Principles of Consolidation

In our opinion, the accompanying interim, unaudited, consolidated financial statements have been prepared in accordance with accounting principles generally accepted in the United States for interim financial information and with the instructions to Form 10-Q and Rule 10-01 of Regulation S-X. These consolidated financial statements contain all adjustments (consisting of normal recurring accruals) necessary to present fairly our financial position as of March 31, 2016 , our results of operations for the three months ended March 31, 2016 and 2015 , and cash flows for the three months ended March 31, 2016 and 2015 . The results reported in these consolidated financial statements should not be regarded as necessarily indicative of results that may be expected for any other period or the entire year. The interim consolidated financial statements should be read in conjunction with the audited consolidated financial statements and notes thereto included in our Annual Report on Form 10-K for the year ended December 31, 2015 .

For interim consolidated financial statement purposes, we provide for accruals under our various employee benefit plans and self-insurance reserves for each three month period based on one quarter of the estimated annual expense.

Certain prior year amounts have been reclassified to conform to the current year presentation. These reclassifications had no material impact on our financial position or results of operations.

Fair Value of Financial Instruments

The carrying amounts of our cash and cash equivalents, accounts receivable, finance receivables and accounts payable approximate fair value as of March 31, 2016 . The fair values of our investment securities are disclosed in note 4 , recognized multiemployer pension withdrawal liabilities in note 6 , our short and long-term debt in note 9 and our derivative instruments in note 14 . We utilized Level 1 inputs in the fair value hierarchy of valuation techniques to determine the fair value of our cash and cash equivalents, and Level 2 inputs to determine the fair value of our accounts receivable, finance receivables and accounts payable.

Accounting Estimates

The preparation of the accompanying interim, unaudited, consolidated financial statements requires management to make estimates and judgments that affect the reported amounts of assets and liabilities and the disclosure of contingencies at the date of the consolidated financial statements, as well as the reported amounts of revenues and expenses during the reporting period. Estimates have been prepared on the basis of the most current and best information and actual results could differ materially from those estimates.

NOTE 2 . RECENT ACCOUNTING PRONOUNCEMENTS

Adoption of New Accounting Standards

In May 2015, the FASB issued an accounting standards update that changes the disclosure requirement for reporting investments at fair value. This update removes the requirement to categorize investments for which fair value is measured using the net asset value per share practical expedient within the fair value hierarchy. These disclosures are limited to investments for which the entity has elected to measure the fair value using that practical expedient. This guidance became effective for us in the first quarter of 2016, and did not have a material impact on our consolidated financial position or results of operations.

In June 2014, the FASB issued an accounting standards update for companies that grant their employees share-based payments in which the terms of the award provide that a performance target that affects vesting could be achieved after the requisite service period. This guidance became effective for us in the first quarter of 2015, and did not have a material impact on our consolidated financial position or results of operations.

Other accounting pronouncements adopted during the periods covered by the consolidated financial statements did not have a material impact on our consolidated financial position or results of operations.

Accounting Standards Issued But Not Yet Effective

In March 2016, the FASB issued an accounting standards update that simplifies the income tax accounting and cash flow presentation related to share-based compensation by requiring the recognition of all excess tax benefits and deficiencies directly on the income statement and classification as cash flows from operating activities on the statement of cash flows. This update also makes several changes to the accounting for forfeitures and employee tax withholding on share-based compensation. This new guidance becomes effective for us in the first quarter of 2017, but early adoption is permitted. At this time, we do not expect this accounting standards update to have a material impact on our consolidated financial position, results of operations or consolidated cash flows.

In February 2016, the FASB issued an accounting standards update that requires all leases with terms beyond twelve months to be recognized on the balance sheet. Although the distinction between operating and finance leases will continue to exist under the new standard, the recognition and measurement of expenses and cash flows will not change significantly from current treatment. This new guidance requires modified retrospective application and becomes effective for us in the first quarter of 2019, but early adoption is permitted. We are currently evaluating this update to determine the full impact of its adoption, but we expect material changes on our consolidated financial position.

In January 2016, the FASB issued an accounting standards update which addresses certain aspects of the recognition, measurement, presentation and disclosure of financial instruments. The amendment will be effective for us beginning the first quarter of 2018. At this time, we do not expect this accounting standards update to have a material impact on our consolidated financial position, results of operations or consolidated cash flows.

In May 2014, the FASB issued an accounting standards update that changes the revenue recognition for companies that enter into contracts with customers to transfer goods or services. This amended guidance requires revenue to be recognized in an amount that reflects the consideration to which the company expects to be entitled for those goods and services when the performance obligation has been satisfied. This amended guidance also requires enhanced disclosures regarding the nature, amount, timing and uncertainty of revenue and related cash flows arising from contracts with customers. In August 2015, the FASB issued an accounting standards update that defers the effective date of the new revenue recognition guidance for one year, to interim and annual reporting periods beginning after December 15, 2017. Early adoption is permitted, but not before the original effective date for periods beginning after December 15, 2016. In March 2016, the FASB issued an accounting standards update that further clarifies the May 2014 accounting standards update with respect to principle versus agent considerations in revenue from contracts with customers and has the same effective date as the original standard. We are currently evaluating these updates to determine the full impact of adoption.

Other accounting pronouncements issued, but not effective until after March 31, 2016 , are not expected to have a material impact on our consolidated financial position or results of operations.

NOTE 3 . STOCK-BASED COMPENSATION

We issue employee share-based awards under the UPS Incentive Compensation Plan, which permits the grant of nonqualified and incentive stock options, stock appreciation rights, restricted stock and stock units, and restricted performance shares and performance units, to eligible employees (restricted stock and stock units, restricted performance shares and performance units are herein referred to as "Restricted Units"). Upon vesting, Restricted Units result in the issuance of the equivalent number of UPS class A common shares after required tax withholdings. Dividends accrued on Restricted Units are reinvested in additional Restricted Units at each dividend payable date, and are subject to the same vesting and forfeiture conditions as the underlying Restricted Units upon which they are earned.

The primary compensation programs offered under the UPS Incentive Compensation Plan include the UPS Management Incentive Award program, the UPS Long-Term Incentive Performance Award program and the UPS Stock Option program. We also maintain an employee stock purchase plan which allows eligible employees to purchase shares of UPS class A common stock at a discount. Additionally, our matching contributions to the primary employee defined contribution savings plan are made in shares of UPS class A common stock.

Management Incentive Award Program ("MIP")

During the first quarter of 2016 , we granted Restricted Units under MIP to certain eligible management employees. Restricted Units granted under MIP generally vest over a five-year period with approximately 20% of the award vesting on January 15th of each of the years following the grant date (except in the case of death, disability, or retirement, in which case immediate vesting occurs). The entire grant is expensed on a straight-line basis over the requisite service period. Based on the date that the eligible management population and performance targets were approved for MIP, we determined the award measurement date to be February 4, 2016 (for U.S.-based employees), March 2, 2016 (for management committee employees) and March 21, 2016 (for international-based employees); therefore, the Restricted Units awarded were valued for stock compensation expense purposes using the closing New York Stock Exchange price of $96.25 , $98.77 and $105.15 on those dates, respectively.

Long-Term Incentive Performance Award Program ("LTIP")

We award Restricted Units under LTIP to certain eligible management employees. The performance targets are equally-weighted among adjusted consolidated operating return on invested capital, growth in adjusted consolidated revenue and total shareowner return relative to a peer group of companies.  These Restricted Units generally vest at the end of a three -year period (except in the case of death, disability, or retirement, in which case immediate vesting occurs on a prorated basis). The number of Restricted Units earned will be based on the percentage achievement of the performance targets established on the grant date. 

For the two-thirds of the award related to consolidated operating return on invested capital and growth in consolidated revenue, we recognize the grant-date fair value of these Restricted Units (less estimated forfeitures) as compensation expense ratably over the vesting period, based on the number of awards expected to be earned.  Based on the date that the eligible management population and performance targets were approved for the 2016 LTIP Award, we determined the award measurement date to be March 24, 2016; therefore, the target Restricted Units awarded for this portion of the award were valued for stock compensation expense using the closing New York Stock Exchange price of $105.43 on that date.

The remaining one-third of the award related to total shareowner return relative to a peer group is valued using a Monte Carlo model. The model utilized the following assumptions: expected volatility of 16.45% based on historical stock volatility, a risk-free rate of return of 1.01% and no expected dividend yield because the units earn dividend equivalents.  This portion of the award was valued with a grant date fair value of $135.57 per unit. 

Nonqualified Stock Options

During the first quarter of 2016 , we granted nonqualified stock option awards to a limited group of eligible senior management employees under the UPS Stock Option program. Stock option awards generally vest over a five -year period with approximately 20% of the award vesting at each anniversary date of the grant (except in the case of death, disability, or retirement, in which case immediate vesting occurs). The options granted will expire ten years after the date of the grant. In the first quarter of 2016 and 2015 , we granted 0.2 million stock options, respectively, at a grant price of $98.77 and $ 101.93 , respectively. The grant price was based on the closing New York Stock Exchange price of March 2, 2016 and March 2, 2015, respectively. The weighted average fair value of our employee stock options granted, as determined by the Black-Scholes valuation model, was $17.32 and $ 18.07 for 2016 and 2015 , respectively, using the following assumptions:

Compensation expense for share-based awards recognized in net income for the three months ended March 31, 2016 and 2015 was $ 215 and $ 194 million pre-tax, respectively.

NOTE 4 . INVESTMENTS AND RESTRICTED CASH

The unrealized gains and (losses) recognized on trading securities in investment income and other on the statements of consolidated income for the three months ended March 31, 2016 and 2015 were $ (156) and $ 1 million, respectively.

Investment Other-Than-Temporary Impairments

We have concluded that no material other-than-temporary impairment losses existed as of March 31, 2016 . In making this determination, we considered the financial condition and prospects of the issuers, the magnitude of the losses compared with the investments' cost, the length of time the investments have been in an unrealized loss position, the probability that we will be unable to collect all amounts due according to the contractual terms of the securities, the credit rating of the securities and our ability and intent to hold these investments until the anticipated recovery in market value occurs.

Maturity Information

The amortized cost and estimated fair value of marketable securities at March 31, 2016 , by contractual maturity, are shown below (in millions). Actual maturities may differ from contractual maturities because the issuers of the securities may have the right to prepay obligations without prepayment penalties.

Restricted Cash and Non-Current Investments

We had $ 442 million of restricted cash related to our self-insurance requirements as of March 31, 2016 and December 31, 2015 which is reported in non-current investments and restricted cash on the consolidated balance sheets. This restricted cash is primarily invested in money market funds.

At March 31, 2016 and December 31, 2015 , we held a $19 million investment in a variable life insurance policy to fund benefits for the UPS Excess Coordinating Benefit Plan. Additionally, we held escrowed cash related to the acquisition and disposition of certain assets of $23  and $12 million as of  March 31, 2016 and December 31, 2015 , respectively. The amounts described above are classified as non-current investments and restricted cash on the consolidated balance sheets, while the quarterly change in investment fair value is recognized in investment income and other on the statements of consolidated income.

Fair Value Measurements

Marketable securities utilizing Level 1 inputs include active exchange-traded carbon credit investments, equity securities, equity index funds and certain U.S. Government debt securities, as these securities have quoted prices in active markets. Marketable securities utilizing Level 2 inputs include asset-backed securities, corporate bonds and municipal bonds. These securities are valued using market corroborated pricing, matrix pricing or other models that utilize observable inputs such as yield curves.

We maintain holdings in certain investment partnerships that are measured at fair value utilizing Level 3 inputs (classified as other non-current investments in the tables below and as other non-current assets in the consolidated balance sheets). These partnership holdings do not have quoted prices, nor can they be valued using inputs based on observable market data. These investments are valued internally using a discounted cash flow model with two significant inputs: (1) the after-tax cash flow projections for each partnership and (2) the risk-adjusted discount rate consistent with the duration of the expected cash flows for each partnership. The weighted-average discount rates used to value these investments were 7.77% and 8.22% as of March 31, 2016 and December 31, 2015 , respectively. These inputs, and the resulting fair values, are updated on a quarterly basis.

The following table presents information about our investments measured at fair value on a recurring basis as of March 31, 2016 and December 31, 2015 , and indicates the fair value hierarchy of the valuation techniques utilized to determine such fair value (in millions):

There were no transfers of investments between Level 1 and Level 2 during the three months ended March 31, 2016 and 2015 .

NOTE 5 . PROPERTY, PLANT AND EQUIPMENT

Property, plant and equipment as of March 31, 2016 and December 31, 2015 consist of the following (in millions):

We monitor all property, plant and equipment for any indicators of potential impairment. No impairment charges on property, plant and equipment were recorded during the three months ended March 31, 2016 and 2015 .

NOTE 6 . EMPLOYEE BENEFIT PLANS

Company-Sponsored Benefit Plans

Information about net periodic benefit cost for our company-sponsored pension and postretirement benefit plans is as follows for the three months ended March 31, 2016 and 2015 (in millions):

During the first three months of 2016 , we contributed $20 and $23 million to our company-sponsored pension and postretirement medical benefit plans, respectively. We also expect to contribute $1.216 billion and $78 million over the remainder of the year to the pension and U.S. postretirement medical benefit plans, respectively.

Multiemployer Benefit Plans

We contribute to a number of multiemployer defined benefit and health and welfare plans under terms of collective bargaining agreements that cover our union-represented employees. Our current collective bargaining agreements set forth the annual contribution increases allotted to the plans that we participate in, and we are in compliance with these contribution rates. These limitations on annual contribution rates will remain in effect throughout the terms of the existing collective bargaining agreements.

As of March 31, 2016 and December 31, 2015 we had $ 870 and $872 million , respectively, recognized in "other non-current liabilities" on our consolidated balance sheets associated with our previous withdrawal from a multiemployer pension plan. This liability is payable in equal monthly installments over a remaining term of approximately 46 years. Based on the borrowing rates currently available to the Company for long-term financing of a similar maturity, the fair value of this withdrawal liability as of March 31, 2016 and December 31, 2015 was $ 902 and $ 841 million , respectively. We utilized Level 2 inputs in the fair value hierarchy of valuation techniques to determine the fair value of this liability.

In December 2014, Congress passed the Multiemployer Pension Reform Act ("MPRA"), which for the first time ever allowed multi-employer pension plans to reduce benefit payments to retirees, subject to specific guidelines in the statute and government oversight. On September 25, 2015, the Central States Pension Fund ("CSPF") submitted a proposed pension benefit reduction plan to the U.S. Department of Treasury under the MPRA. The CSPF plan proposed to make retirement benefit reductions to CSPF participants, including to the benefits of UPS employee participants retiring on or after January 1, 2008. In 2007, UPS fully funded its allocable share of the unfunded vested benefits in CSPF when it was agreed that UPS could withdraw from CSPF in consideration of a $6.1 billion withdrawal liability. Under a collective bargaining agreement with the International Brotherhood of Teamsters ("Teamsters"), UPS agreed to provide supplemental benefits under the UPS/IBT Full-Time Employee Pension Plan to offset the effect of certain benefit reductions by CSPF applicable to UPS participants retiring on or after January 1, 2008, which resulted in recognition of a $1.7 billion pension liability in 2007. Additionally, UPS agreed to provide coordinating benefits under the UPS/IBT Full-Time Employee Pension Plan to offset certain benefit reductions in the event that benefits were lawfully reduced in the future by CSPF.

We vigorously challenged the proposed benefit reduction plan because we believed that it did not comply with the law and that certain actions by CSPF were invalid. In April 2016, we estimated that we would be required to record a 2016 charge of approximately $ 3.2 billion to $ 3.8 billion, if the CSPF pension benefit reduction plan were approved and implemented as proposed. On May 6, 2016, the U.S. Department of Treasury rejected the proposed plan submitted by CSPF, stating that it had determined that the CSPF plan failed to satisfy the following three requirements set forth in the MPRA:

Because the CSPF has asserted that it will become insolvent within ten years, it is possible that CSPF will propose a revised plan under the MPRA. Due to uncertainties, we are not able to estimate a range of additional obligations, if any, that could arise as a result of the CSPF situation, which amounts could be material. These uncertainties include the actions that may be taken by CSPF, the government or others, including whether CSPF will submit a revised benefit reduction plan, the terms and assumptions of any such proposed plan, how the regulations and standards under the MPRA are applied to any subsequently proposed plan, and the effect of discount rates and various other actuarial assumptions. Accordingly, we have not recognized any additional liability for coordinating benefits within the UPS/IBT Full-Time Employee Pension Plan.

Collective Bargaining Agreements

As of December 31, 2015, we had approximately 266,000 employees employed under a national master agreement and various supplemental agreements with local unions affiliated with the Teamsters. In addition, our airline pilots, airline mechanics, ground mechanics and certain other employees are employed under other collective bargaining agreements. In 2014, the Teamsters ratified a new national master agreement ("NMA") with UPS that will expire on July 31, 2018. The economic provisions in the NMA included wage rate increases, as well as increased contribution rates for healthcare and pension benefits. Most of these economic provisions were retroactive to August 1, 2013, which was the effective date of the NMA. During the first quarter of 2015, we remitted $ 53 million for these retroactive economic benefits.

We have approximately 2,600 pilots who are employed under a collective bargaining agreement with the Independent Pilots Association ("IPA"), which became amendable at the end of 2011. The ongoing contract negotiations between UPS and the IPA are in mediation by the National Mediation Board.

Our airline mechanics are covered by a collective bargaining agreement with Teamsters Local 2727, which became amendable November 1, 2013. We are currently in negotiations with Teamsters Local 2727 for a new agreement. In addition, approximately 3,100 of our auto and maintenance mechanics who are not employed under agreements with the Teamsters are employed under collective bargaining agreements with the International Association of Machinists and Aerospace Workers ("IAM") that will expire on July 31, 2019.

NOTE 7 . GOODWILL AND INTANGIBLE ASSETS

The following table indicates the allocation of goodwill by reportable segment as of March 31, 2016 and December 31, 2015 (in millions):

The change in goodwill for both the International Package and Supply Chain & Freight segments was primarily due to the impact of changes in the value of the U.S. Dollar on the translation of non-U.S. Dollar goodwill balances.

The following is a summary of intangible assets as of March 31, 2016 and December 31, 2015 (in millions):

As of March 31, 2016 , we had a trade name with a carrying value of $ 200 million and licenses with a carrying value of $ 5 million, which are deemed to be indefinite-lived intangible assets and are included in the table above.

NOTE 8 . BUSINESS COMBINATIONS

In 2016 and 2015, we acquired several businesses that were not material, individually or in the aggregate, to our consolidated financial position or results of operations. These acquisitions were funded with cash from operations. In March 2015, we acquired Poltraf Sp z.o.o. ("Poltraf"), a Polish-based pharmaceutical logistics company recognized for its temperature-sensitive warehousing and transportation solutions. In May 2015 and June 2015, we acquired Parcel Pro, Inc. ("Parcel Pro") and the Insured Parcel Services division of G4S International Logistics ("IPS"), respectively. These businesses provide services and insurance coverage for the transport of high value luxury goods.

In August 2015, we acquired Coyote Logistics Midco, Inc. ("Coyote"), a U.S.-based truckload freight brokerage company, for $1.829 billion . This acquisition allows us to expand our existing portfolio by adding large scale truckload freight brokerage and transportation management services to our Supply Chain & Freight reporting segment. In addition, we expect to benefit from synergies in purchased transportation, backhaul utilization, cross-selling to customers, as well as technology systems and industry best practices. The acquisition was funded using cash from operations and issuances of commercial paper.

The estimates of deferred income taxes and goodwill are subject to change based on final determination of fair values of acquired assets and assumed liabilities. The purchase price allocation for acquired companies can be modified for up to one year from the date of acquisition. No material changes in the purchase price allocation have been made since December 31, 2015.

The financial results of these acquired businesses are included in the Supply Chain & Freight segment from the date of acquisition and were not material to our results of operations.

NOTE 9 . DEBT AND FINANCING ARRANGEMENTS

The carrying value of our outstanding debt as of March 31, 2016 and December 31, 2015 consists of the following (in millions):

Debt Issuances

In March 2016, we issued floating rate senior notes with a principal balance of $ 118 million. As the proceeds for these notes were not received until April 2016, we recognized a receivable in other current assets in our consolidated balance sheet as of March 31, 2016. These notes bear interest at three-month LIBOR less 30 basis points and mature in 2066 . These notes are callable at various times after 30 years at a stated percentage of par value, and putable by the note holders at various times after one year at a stated percentage of par value.

Sources of Credit

We are authorized to borrow up to $ 10.0 billion under a U.S. commercial paper program and € 5.0 billion (in a variety of currencies) under an European commercial paper program. We had the following amounts outstanding under these programs as of March 31, 2016 : $ 2.926 billion with an average interest rate of 0.41% , € 630 million ($ 718 million) with an average interest rate of -0.18% and £ 115 million ($ 165 million) with an average interest rate of 0.54% . As of March 31, 2016 , we have classified the entire commercial paper balance as a current liability on our consolidated balance sheet.

We maintain two credit agreements with a consortium of banks. One of these agreements provides revolving credit facilities of $1.5 billion, and expires on March 24, 2017 . Generally, amounts outstanding under this facility bear interest at a periodic fixed rate equal to LIBOR for the applicable interest period and currency denomination, plus an applicable margin. Alternatively, a fluctuating rate of interest equal to the highest of (1) JPMorgan Chase Bank's publicly announced prime rate; (2) the Federal Funds effective rate plus 0.50% ; and (3) LIBOR for a one month interest period plus 1.00% , plus an applicable margin, may be used at our discretion. In each case, the applicable margin for advances bearing interest based on LIBOR is a percentage determined by quotations from Markit Group Ltd. for our 1-year credit default swap spread, subject to a minimum rate of 0.10% and a maximum rate of 0.75% . The applicable margin for advances bearing interest based on the prime rate is 1.00% below the applicable margin for LIBOR advances (but not lower than 0.00% ). We are also able to request advances under this facility based on competitive bids for the applicable interest rate. There were no amounts outstanding under this facility as of March 31, 2016 .

The second agreement provides revolving credit facilities of $ 3.0 billion, and expires on March 25, 2021 . Generally, amounts outstanding under this facility bear interest at a periodic fixed rate equal to LIBOR for the applicable interest period and currency denomination, plus an applicable margin. Alternatively, a fluctuating rate of interest equal to the highest of (1) JPMorgan Chase Bank's publicly announced prime rate; (2) the Federal Funds effective rate plus 0.50% ; and (3) LIBOR for a one month interest period plus 1.00% , plus an applicable margin, may be used at our discretion. In each case, the applicable margin for advances bearing interest based on LIBOR is a percentage determined by quotations from Markit Group Ltd. for our 1-year credit default swap spread, interpolated for a period from the date of determination of such credit default swap spread in connection with a new interest period until the latest maturity date of this facility then in effect (but not less than a period of one year). The minimum applicable margin rate is 0.10% and the maximum applicable margin rate is 0.75% per annum. The applicable margin for advances bearing interest based on the prime rate is 1.00% below the applicable margin for LIBOR advances (but not less than 0.00% ). We are also able to request advances under this facility based on competitive bids. There were no amounts outstanding under this facility as of March 31, 2016 .

Debt Covenants

Our existing debt instruments and credit facilities subject us to certain financial covenants. As of March 31, 2016 and for all prior periods, we have satisfied these financial covenants. These covenants limit the amount of secured indebtedness that we may incur, and limit the amount of attributable debt in sale-leaseback transactions, to 10% of net tangible assets. As of March 31, 2016 , 10% of net tangible assets was equivalent to $2.306 billion; however, we have no covered sale-leaseback transactions or secured indebtedness outstanding. We do not expect these covenants to have a material impact on our financial condition or liquidity.

Fair Value of Debt

Based on the borrowing rates currently available to the Company for long-term debt with similar terms and maturities, the fair value of long-term debt, including current maturities, was approximately $ 17.243 and $ 15.524 billion as of March 31, 2016 and December 31, 2015 , respectively. We utilized Level 2 inputs in the fair value hierarchy of valuation techniques to determine the fair value of all of our debt instruments.

NOTE 10 . LEGAL PROCEEDINGS AND CONTINGENCIES

We are involved in a number of judicial proceedings and other matters arising from the conduct of our business activities.

Although there can be no assurance as to the ultimate outcome, we have generally denied, or believe we have a meritorious defense and will deny, liability in all litigation pending against us, including (except as otherwise noted herein) the matters described below, and we intend to defend vigorously each case. We have accrued for legal claims when, and to the extent that, amounts associated with the claims become probable and can be reasonably estimated. The actual costs of resolving legal claims may be substantially higher or lower than the amounts accrued for those claims.

For those matters as to which we are not able to estimate a possible loss or range of loss, we are not able to determine whether the loss will have a material adverse effect on our business, financial condition or results of operations or liquidity. For matters in this category, we have indicated in the descriptions that follow the reasons that we are unable to estimate the possible loss or range of loss.

Judicial Proceedings

We are a defendant in a number of lawsuits filed in state and federal courts containing various class action allegations under state wage-and-hour laws. At this time, we do not believe that any loss associated with these matters would have a material adverse effect on our financial condition, results of operations or liquidity.

UPS and our subsidiary The UPS Store, Inc., are defendants in Morgate v. The UPS Store, Inc. et al., an action in the Los Angeles Superior Court brought on behalf of a certified class of all franchisees who chose to rebrand their Mail Boxes Etc. franchises to The UPS Store in March 2003. Plaintiff alleges that UPS and The UPS Store, Inc. misrepresented and omitted facts to the class about the market tests that were conducted before offering the class the choice of whether to rebrand to The UPS Store. Trial is scheduled for January 2017.

There are multiple factors that prevent us from being able to estimate the amount of loss, if any, that may result from the remaining aspects of this case, including: (1) we are vigorously defending ourselves and believe we have a number of meritorious legal defenses; and (2) it remains uncertain what evidence of damages, if any, plaintiffs will be able to present. Accordingly, at this time, we are not able to estimate a possible loss or range of loss that may result from this matter or to determine whether such loss, if any, would have a material adverse effect on our financial condition, results of operations or liquidity.

In AFMS LLC v. UPS and FedEx Corporation, a lawsuit filed in federal court in the Central District of California in August 2010, the plaintiff asserts that UPS and FedEx violated U.S. antitrust law by conspiring to refuse to negotiate with third-party negotiators retained by shippers and by individually imposing policies that prevent shippers from using such negotiators. UPS and FedEx have moved for summary judgment. The Court granted these motions on April 30, 2015, entered judgment in favor of UPS and FedEx, and dismissed the case. On May 21, 2015, plaintiff filed a notice of appeal to the Court of Appeals for the Ninth Circuit. The Antitrust Division of the U.S. Department of Justice ("DOJ") has an open civil investigation of our policies and practices for dealing with third-party negotiators. We have cooperated with this investigation. We deny any liability with respect to these matters and intend to vigorously defend ourselves. There are multiple factors that prevent us from being able to estimate the amount of loss, if any, that may result from these matters including: (1) the DOJ investigation is pending; (2) the Court granted our motion for summary judgment; and (3) plaintiff has filed a notice of appeal. Accordingly, at this time, we are not able to estimate a possible loss or range of loss that may result from these matters or to determine whether such loss, if any, would have a material adverse effect on our financial condition, results of operations or liquidity.

In Canada, four purported class-action cases were filed against us in British Columbia (2006); Ontario (2007) and Québec (2006 and 2013). The cases each allege inadequate disclosure concerning the existence and cost of brokerage services provided by us under applicable provincial consumer protection legislation and infringement of interest restriction provisions under the Criminal Code of Canada. The British Columbia class action was declared inappropriate for certification and dismissed by the trial judge. That decision was upheld by the British Columbia Court of Appeal in March 2010, which ended the case in our favor. The Ontario class action was certified in September 2011. Partial summary judgment was granted to us and the plaintiffs by the Ontario motions court. The complaint under the Criminal Code was dismissed. No appeal is being taken from that decision. The allegations of inadequate disclosure were granted and we are appealing that decision. The motion to authorize the 2006 Québec litigation as a class action was dismissed by the motions judge in October 2012; there was no appeal, which ended that case in our favor. The 2013 Québec litigation also has been dismissed. We deny all liability and are vigorously defending the one outstanding case in Ontario. There are multiple factors that prevent us from being able to estimate the amount of loss, if any, that may result from this matter, including: (1) we are vigorously defending ourselves and believe that we have a number of meritorious legal defenses; and (2) there are unresolved questions of law and fact that could be important to the ultimate resolution of this matter. Accordingly, at this time, we are not able to estimate a possible loss or range of loss that may result from this matter or to determine whether such loss, if any, would have a material adverse effect on our financial condition, results of operations or liquidity.

Other Matters

In January 2008, a class action complaint was filed in the United States District Court for the Eastern District of New York alleging price-fixing activities relating to the provision of freight forwarding services. UPS was not named in this case. In July 2009, the plaintiffs filed a First Amended Complaint naming numerous global freight forwarders as defendants. UPS and UPS Supply Chain Solutions are among the 60 defendants named in the amended complaint. After two rounds of motions to dismiss, in October 2014, UPS entered into a settlement agreement with the plaintiffs to settle the remaining claims asserted against UPS for an immaterial amount. The court entered an order granting final approval of the settlement in January 2016.

In August 2010, competition authorities in Brazil opened an administrative proceeding to investigate alleged anticompetitive behavior in the freight forwarding industry. Approximately 45 freight forwarding companies and individuals are named in the proceeding, including UPS, UPS SCS Transportes (Brasil) S.A., and a former employee in Brazil. UPS submitted its written defenses to these allegations in April 2014.

We are cooperating with the Brazil investigation, and intend to continue to vigorously defend ourselves. There are multiple factors that prevent us from being able to estimate the amount of loss, if any, that may result from this matter including: (1) we are vigorously defending the matter and believe that we have a number of meritorious legal defenses; (2) there are unresolved questions of law that could be of importance to the ultimate resolutions of this matter, including the calculation of any potential fine; and (3) there is uncertainty about the time period that is the subject of the investigation. Accordingly, at this time, we are not able to estimate a possible loss or range of loss that may result from this matter or to determine whether such loss, if any, would have a material adverse effect on our financial condition, results of operations or liquidity.

In February 2015, the State and City of New York filed suit against UPS in the U.S. District Court for the Southern District of New York, arising from alleged shipments of cigarettes to New York State and City residents. The complaint asserts claims under various federal and state laws.  The complaint also includes a claim that UPS violated the Assurance of Discontinuance it entered into with the New York Attorney General in 2005 concerning cigarette deliveries. Discovery is ongoing and trial is scheduled for September, 2016. There are multiple factors that prevent us from being able to estimate the amount of loss, if any, that may result from this case, including: (1) we are vigorously defending ourselves and believe we have a number of meritorious factual and legal defenses; and (2) it remains uncertain what evidence of their claims and damages, if any, plaintiffs will be able to present. Accordingly, at this time, we are not able to estimate a possible loss or range of loss that may result from this matter or to determine whether such loss, if any, would have a material adverse effect on our financial condition, results of operations or liquidity.

On May 2, 2016, a purported shareowner derivative suit was filed in the Delaware Court of Chancery naming certain of UPS's current officers and directors as defendants, alleging that they breached their fiduciary duties by failing to monitor UPS's compliance with the Assurance of Discontinuance and other federal and state laws relating to cigarette deliveries.

We are a defendant in various other lawsuits that arose in the normal course of business. We do not believe that the eventual resolution of these other lawsuits (either individually or in the aggregate), including any reasonably possible losses in excess of current accruals, will have a material adverse effect on our financial condition, results of operations or liquidity.

NOTE 11 . SHAREOWNERS' EQUITY

Capital Stock, Additional Paid-In Capital and Retained Earnings

We maintain two classes of common stock, which are distinguished from each other primarily by their respective voting rights. Class A shares are entitled to 10 votes per share, whereas class B shares are entitled to one vote per share. Class A shares are primarily held by UPS employees and retirees, and these shares are fully convertible on a one-to-one basis into class B shares at any time. Class B shares are publicly traded on the New York Stock Exchange under the symbol "UPS". Class A and B shares both have a $0.01 par value, and as of March 31, 2016 , there were 4.6 billion class A shares and 5.6 billion class B shares authorized to be issued. Additionally, there are 200  million preferred shares, with a $0.01 par value, authorized to be issued. As of March 31, 2016 , no preferred shares had been issued.

The following is a rollforward of our common stock, additional paid-in capital and retained earnings accounts for the three months ended March 31, 2016 and 2015 (in millions, except per share amounts):

We repurchased 6.6  million shares of class A and class B common stock for $655 million during the three months ended March 31, 2016 , and 6.8  million shares for $687 million during the three months ended March 31, 2015 . During the first quarter of 2016, we also exercised a capped call option that we entered into in 2015 for which we received 0.2 million UPS class B shares. The $25 million premium payment for this capped call option reduced shareowners' equity in 2015. In total, shares repurchased and received in the first quarter were 6.8 million shares for $680 million . In February 2013, the Board of Directors approved a share repurchase authorization of $10.0 billion, which has no expiration date. As of March 31, 2016 , we had $761 million of this share repurchase authorization available. In May 2016, the Board of Directors approved a new share repurchase authorization of $8.0 billion, which has no expiration date.

From time to time, we enter into share repurchase programs with large financial institutions to assist in our buyback of company stock. These programs allow us to repurchase our shares at a price below the weighted average UPS share price for a given period. During the first quarter of 2016, we entered into an accelerated share repurchase program which allowed us to repurchase 3.0 million shares for $ 300 million. The program was completed in March 2016.

In order to lower the average cost of acquiring shares in our ongoing share repurchase program, we periodically enter into structured repurchase agreements involving the use of capped call options for the purchase of UPS class B shares. We pay a fixed sum of cash upon execution of each agreement in exchange for the right to receive either a pre-determined amount of cash or stock. Upon expiration of each agreement, if the closing market price of our common stock is above the pre-determined price, we will have our initial investment returned with a premium in either cash or shares (at our election). If the closing market price of our common stock is at or below the pre-determined price, we will receive the number of shares specified in the agreement. We received (paid) net premiums of $103 and $(99) million during the first three months of 2016 and 2015 , respectively, related to entering into and settling capped call options for the purchase of class B shares. As of March 31, 2016 , we had outstanding options for the purchase of 0.6 million shares with a weighted average strike price of $ 81.97 per share that will settle in the second quarter of 2016.

Accumulated Other Comprehensive Income (Loss)

We experience activity in AOCI for unrealized holding gains and losses on available-for-sale securities, foreign currency translation adjustments, unrealized gains and losses from derivatives that qualify as hedges of cash flows and unrecognized pension and postretirement benefit costs. The activity in AOCI for the three months ended March 31, 2016 and 2015 is as follows (in millions):