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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D. C. 20549

FORM 10-Q

For the quarterly period ended June 30, 2009

or

For the transition period from              to             

Commission File Number 1-2256

EXXON MOBIL CORPORATION

(Exact name of registrant as specified in its charter)

(972) 444-1000

(Registrant’s telephone number, including area code)

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  x    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  x    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 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 Exchange Act).    Yes  ¨    No  x

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

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EXXON MOBIL CORPORATION

FORM 10-Q

FOR THE QUARTERLY PERIOD ENDED JUNE 30, 2009

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PART I. FINANCIAL INFORMATION

EXXON MOBIL CORPORATION

CONDENSED CONSOLIDATED STATEMENT OF INCOME

(millions of dollars)

The information in the Notes to Condensed Consolidated Financial Statements

is an integral part of these statements.

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EXXON MOBIL CORPORATION

CONDENSED CONSOLIDATED BALANCE SHEET

(millions of dollars)

The number of shares of common stock issued and outstanding at June 30, 2009 and December 31, 2008 were 4,805,790,141 and 4,976,055,639, respectively.

The information in the Notes to Condensed Consolidated Financial Statements

is an integral part of these statements.

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EXXON MOBIL CORPORATION

CONDENSED CONSOLIDATED STATEMENT OF CASH FLOWS

(millions of dollars)

The information in the Notes to Condensed Consolidated Financial Statements

is an integral part of these statements.

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EXXON MOBIL CORPORATION

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

These unaudited condensed consolidated financial statements should be read in the context of the consolidated financial statements and notes thereto filed with the Securities and Exchange Commission in the Corporation’s 2008 Annual Report on Form 10-K. In the opinion of the Corporation, the information furnished herein reflects all known accruals and adjustments necessary for a fair statement of the results for the periods reported herein. All such adjustments are of a normal recurring nature. Subsequent events have been evaluated through August 5, 2009, the date the financial statements were issued. The Corporation’s exploration and production activities are accounted for under the “successful efforts” method.

Effective January 1, 2009, ExxonMobil adopted the Financial Accounting Standards Board’s (FASB) Statement No. 157 (FAS 157), “Fair Value Measurements” for nonfinancial assets and liabilities that are measured at fair value on a nonrecurring basis. FAS 157 defines fair value, establishes a framework for measuring fair value when an entity is required to use a fair value measure for recognition or disclosure purposes and expands the disclosures about fair value measures. The adoption did not have a material impact on the Corporation’s financial statements. The Corporation previously adopted FAS 157 for financial assets and liabilities that are measured at fair value and for nonfinancial assets and liabilities that are measured at fair value on a recurring basis.

Effective January 1, 2009, ExxonMobil adopted Financial Accounting Standards Board’s (FASB) Statement No. 160 (FAS 160), “Noncontrolling Interests in Consolidated Financial Statements – an Amendment of ARB No. 51.” FAS 160 changed the accounting and reporting for minority interests, which were recharacterized as noncontrolling interests and classified as a component of equity. FAS 160 required retrospective adoption of the presentation and disclosure requirements for existing minority interests. All other requirements of FAS 160 will be applied prospectively. The adoption of FAS 160 did not have a material impact on the Corporation’s financial statements.

Effective January 1, 2009, ExxonMobil adopted the Financial Accounting Standards Board’s Staff Position (FSP) on the Emerging Issues Task Force (EITF) Issue No. 03-6-1, “Determining Whether Instruments Granted in Share-Based Payment Transactions are Participating Securities.” The FSP required that all unvested share-based payment awards that contain nonforfeitable rights to dividends should be included in the basic Earnings Per Share (EPS) calculation. Prior-year EPS numbers have been adjusted retrospectively on a consistent basis with 2009 reporting. This standard did not affect the consolidated financial position or results of operations.

Litigation

A variety of claims have been made against ExxonMobil and certain of its consolidated subsidiaries in a number of pending lawsuits. Management has regular litigation reviews, including updates from corporate and outside counsel, to assess the need for accounting recognition or disclosure of these contingencies. The Corporation accrues an undiscounted liability for those contingencies where the incurrence of a loss is probable and the amount can be reasonably estimated. If a range of amounts can be reasonably estimated and no amount within the range is a better estimate than any other amount, then the minimum of the range is accrued. The Corporation does not record liabilities when the likelihood that the liability has been incurred is probable but the amount cannot be reasonably estimated or when the liability is believed to be only reasonably possible or remote. For contingencies where an unfavorable outcome is reasonably possible and which are significant, the Corporation discloses the nature of the contingency and, where feasible, an estimate of the possible loss. ExxonMobil will continue to defend itself vigorously in these matters. Based on a consideration of all relevant facts and circumstances, the Corporation does not believe the ultimate outcome of any currently pending lawsuit against ExxonMobil will have a materially adverse effect upon the Corporation’s operations or financial condition.

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A number of lawsuits, including class actions, were brought in various courts against Exxon Mobil Corporation and certain of its subsidiaries relating to the accidental release of crude oil from the tanker Exxon Valdez in 1989. All the compensatory claims have been resolved and paid. All of the punitive damage claims were consolidated in the civil trial that began in 1994. On June 25, 2008, the U.S. Supreme Court vacated the $2.5 billion punitive damage award previously entered by the Ninth Circuit Court of Appeals and remanded the case to the Circuit Court with an instruction that punitive damages in the case may not exceed a maximum amount of $507.5 million. The parties filed briefs in the Ninth Circuit Court of Appeals on the issue of post-judgment interest and recovery of costs. Exxon Mobil Corporation recorded total after-tax charges of $460 million in 2008 reflecting an estimate of the resolution of these issues.

On June 15, 2009, the U. S. Court of Appeals for the Ninth Circuit awarded plaintiffs in the Valdez litigation interest on the $507.5 million punitive damages award from the date of the original trial court judgment in 1996. The Court also denied the Corporation’s claims to recover up to $70 million in appeal costs. An after-tax charge of $140 million was recorded in the second quarter of 2009 to reflect the Court’s decision.

Other Contingencies

The Corporation and certain of its consolidated subsidiaries were contingently liable at June 30, 2009, for $8,584 million, primarily relating to guarantees for notes, loans and performance under contracts. Included in this amount were guarantees by consolidated affiliates of $6,599 million, for ExxonMobil’s share of obligations of certain equity companies. These guarantees are not reasonably likely to have a material effect on the Corporation’s financial condition, changes in financial condition, revenues or expenses, results of operations, liquidity, capital expenditures or capital resources.

Additionally, the Corporation and its affiliates have numerous long-term sales and purchase commitments in their various business activities, all of which are expected to be fulfilled with no adverse consequences material to the Corporation’s operations or financial condition. The Corporation’s outstanding unconditional purchase obligations at June 30, 2009, were similar to those at the prior year-end period. Unconditional purchase obligations as defined by accounting standards are those long-term commitments that are noncancelable or cancelable only under certain conditions, and that third parties have used to secure financing for the facilities that will provide the contracted goods or services.

The operations and earnings of the Corporation and its affiliates throughout the world have been, and may in the future be, affected from time to time in varying degree by political developments and laws and regulations, such as forced divestiture of assets; restrictions on production, imports and exports; price controls; tax increases and retroactive tax claims; expropriation of property; cancellation of contract rights and environmental regulations. Both the likelihood of such occurrences and their overall effect upon the Corporation vary greatly from country to country and are not predictable.

In accordance with a nationalization decree issued by Venezuela’s president in February 2007, by May 1, 2007, a subsidiary of the Venezuelan National Oil Company (PdVSA) assumed the operatorship of the Cerro Negro Heavy Oil Project. This Project had been operated and owned by ExxonMobil affiliates holding a 41.67 percent ownership interest in the Project. The decree also required conversion of the Cerro Negro Project into a “mixed enterprise” and an increase in PdVSA’s or one of its affiliate’s ownership interest in the Project, with the stipulation that if ExxonMobil refused to accept the terms for the formation of the mixed enterprise within a specified period of time, the government would “directly assume the activities” carried out by the joint venture. ExxonMobil refused to accede to the terms proffered by the government, and on June 27, 2007, the government expropriated ExxonMobil’s 41.67 percent interest in the Cerro Negro Project.

On September 6, 2007, affiliates of ExxonMobil filed a Request for Arbitration with the International Centre for Settlement of Investment Disputes. An affiliate of ExxonMobil has also filed an arbitration under the rules of the International Chamber of Commerce against PdVSA and a PdVSA affiliate for breach of their contractual obligations under certain Cerro Negro Project agreements. At this time, the net impact of this matter on the Corporation’s consolidated financial results cannot be reasonably estimated. However, the Corporation does not expect the resolution to have a material effect upon the Corporation’s operations or financial condition. ExxonMobil’s remaining net book investment in Cerro Negro producing assets is about $750 million.

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The fair value of financial instruments is determined by reference to various market data and other valuation techniques as appropriate. The only category of financial instruments where the difference between fair value and recorded book value is of significance is long-term debt. The estimated fair value of total long-term debt, including capitalized lease obligations, was $7.8 billion and $7.6 billion, at June 30, 2009 and December 31, 2008, respectively, as compared to recorded book values of $7.1 billion and $7.0 billion at June 30, 2009 and December 31, 2008, respectively.

The estimated fair value of derivatives outstanding and recorded on the balance sheet was a net payable of $122 million and a net receivable of $118 million on June 30, 2009 and December 31, 2008, respectively. The Corporation would have paid or received this amount from third parties if these derivatives had been settled in the open market based on observable market inputs.

The fair value of derivatives outstanding at June 30, 2009, is immaterial in relation to total assets of $225 billion or net income attributable to ExxonMobil for the six months ended June 30, 2009, of $8.5 billion.

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Exxon Mobil Corporation has fully and unconditionally guaranteed the deferred interest debentures due 2012 ($2,034 million long-term at June 30, 2009) and the debt securities due 2009-2011 ($26 million long-term and $13 million short-term) of SeaRiver Maritime Financial Holdings, Inc., a 100 percent owned subsidiary of Exxon Mobil Corporation.

The following condensed consolidating financial information is provided for Exxon Mobil Corporation, as guarantor, and for SeaRiver Maritime Financial Holdings, Inc., as issuer, as an alternative to providing separate financial statements for the issuer. The accounts of Exxon Mobil Corporation and SeaRiver Maritime Financial Holdings, Inc. are presented utilizing the equity method of accounting for investments in subsidiaries.

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