EXHIBIT 99.1

ExxonMobil Chairman REX W. TILLERSON commented: 

“ExxonMobil delivered strong business results in 2013 while remaining focused on improving profitability and long-term shareholder value.  Disciplined use of capital, project execution and asset management are positioning the company to deliver sustained superior financial performance across the business cycle.  Over the next two years, ExxonMobil will start up numerous major projects delivering profitable new supplies of oil and natural gas while strengthening our refining and chemicals businesses.   

Fourth quarter 2013 earnings were $8.4 billion, down 16% from the fourth quarter of 2012.  Full year 2013 earnings were $32.6 billion, down 27% from 2012. 

Capital and exploration expenditures were $9.9 billion in the fourth quarter and $42.5 billion for the year, including $4.3 billion for acquisitions.

In 2013, the Corporation distributed $26 billion to shareholders through dividends and share purchases to reduce shares outstanding.”

Fourth Quarter 2013 vs. Fourth Quarter 2012

Upstream earnings were $6,786 million in the fourth quarter of 2013, down $976 million from the fourth quarter of 2012.  Higher natural gas realizations, partly offset by lower liquids realizations, increased earnings by $60 million.  Production volume and mix effects decreased earnings by $550 million.  All other items, including higher operating expenses, decreased earnings by $490 million.

On an oil‑equivalent basis, production decreased 1.8% from the fourth quarter of 2012.  Excluding the impacts of entitlement volumes, OPEC quota effects and divestments, production was essentially flat.

Liquids production totaled 2,235 kbd (thousands of barrels per day), up 32 kbd from the fourth quarter of 2012.  Excluding the impacts of entitlement volumes, OPEC quota effects and divestments, liquids production was up 3.0%, as project ramp-up, mainly in Canada and Nigeria, and lower downtime were partially offset by field decline.

Fourth quarter natural gas production was 11,887 mcfd (millions of cubic feet per day), down 654 mcfd from 2012.  Excluding the impacts of entitlement volumes and divestments, natural gas production was down 3.9%, as field decline was partially offset by project ramp‑up and increased demand.

Earnings from U.S. Upstream operations were $1,186 million, $418 million lower than the fourth quarter of 2012.  Non‑U.S. Upstream earnings were $5,600 million, down $558 million from the prior year.

Downstream earnings were $916 million, down $852 million from the fourth quarter of 2012.  Weaker margins, mainly in refining, decreased earnings by $680 million.  Volume and mix effects increased earnings by $110 million.  All other items, including higher operating expenses and unfavorable foreign exchange impacts, decreased earnings by $280 million.  Petroleum product sales of 5,994 kbd were 114 kbd lower than last year's fourth quarter.

Earnings from the U.S. Downstream were $597 million, down $100 million from the fourth quarter of 2012.  Non‑U.S. Downstream earnings of $319 million were $752 million lower than the prior year. 

Chemical earnings of $910 million were $48 million lower than the fourth quarter of 2012.  Weaker margins, mainly in specialties, decreased earnings by $70 million, while volume and mix effects increased earnings by $50 million.  All other items decreased earnings by $30 million.  Fourth quarter prime product sales of 6,077 kt (thousands of metric tons) were 176 kt higher than last year's fourth quarter.

Corporate and financing expenses were $262 million for the fourth quarter of 2013, down $276 million from the fourth quarter of 2012, reflecting favorable tax impacts.

During the fourth quarter of 2013, Exxon Mobil Corporation purchased 36 million shares of its common stock for the treasury at a gross cost of $3.3 billion.  These purchases included $3.0 billion to reduce the number of shares outstanding, with the balance used to acquire shares in conjunction with the company’s benefit plans and programs.  Share purchases to reduce shares outstanding are currently anticipated to equal $3 billion in the first quarter of 2014.  Purchases may be made in both the open market and through negotiated transactions, and may be increased, decreased or discontinued at any time without prior notice.

Full Year 2013 vs. Full Year 2012

Earnings of $32,580 million decreased $12,300 million from 2012.  Earnings per share decreased 24% to $7.37. 

Upstream earnings were $26,841 million, down $3,054 million from 2012.  Higher gas realizations, partially offset by lower liquids realizations, increased earnings by $390 million.  Production volume and mix effects decreased earnings by $910 million.  All other items, including lower net gains from asset sales, mainly in Angola, and higher expenses, reduced earnings by $2.5 billion.

On an oil‑equivalent basis, production was down 1.5% compared to 2012.  Excluding the impacts of entitlement volumes, OPEC quota effects and divestments, production was essentially flat.

Liquids production of 2,202 kbd increased 17 kbd compared with 2012.  Excluding the impacts of entitlement volumes, OPEC quota effects and divestments, liquids production was up 1.6%, as project ramp‑up and lower downtime were partially offset by field decline.

Natural gas production of 11,836 mcfd decreased 486 mcfd from 2012.  Excluding the impacts of entitlement volumes and divestments, natural gas production was down 1.5%, as field decline was partially offset by higher demand, lower downtime, and project ramp-up.

Earnings from U.S. Upstream operations for 2013 were $4,191 million, up $266 million from 2012.  Earnings outside the U.S. were $22,650 million, down $3,320 million from the prior year.

Downstream earnings of $3,449 million decreased $9,741 million from 2012 driven by the absence of the $5.3 billion gain associated with the Japan restructuring.  Lower margins, mainly refining, decreased earnings by $2.9 billion.  Volume and mix effects decreased earnings by $310 million.  All other items, including higher operating expenses, unfavorable foreign exchange impacts, and lower divestments, decreased earnings by $1.2 billion.  Petroleum product sales of 5,887 kbd decreased 287 kbd from 2012.

U.S. Downstream earnings were $2,199 million, down $1,376 million from 2012.  Non‑U.S. Downstream earnings were $1,250 million, a decrease of $8,365 million from the prior year.

Chemical earnings of $3,828 million were $70 million lower than 2012.  The absence of the gain associated with the Japan restructuring decreased earnings by $630 million.  Higher margins increased earnings by $480 million, while volume and mix effects increased earnings by $80 million.  Prime product sales of 24,063 kt were down 94 kt from 2012.

Corporate and financing expenses were $1,538 million, down $565 million from 2012, as favorable tax impacts were partially offset by the absence of the Japan restructuring gain.

Gross share purchases for 2013 were $16 billion, reducing shares outstanding by 177 million shares.

Estimates of key financial and operating data follow. 

ExxonMobil will discuss financial and operating results and other matters on a webcast at 10 a.m. Central time on January 30, 2014.  To listen to the event live or in archive, go to our website at exxonmobil.com. 

Cautionary statement

Statements relating to future plans, projections, events or conditions are forward‑looking statements.  Actual results, including project plans, costs, timing, and capacities; capital and exploration expenditures; resource recoveries; and share purchase levels, could differ materially due to factors including: changes in oil or gas prices or other market or economic conditions affecting the oil and gas industry, including the scope and duration of economic recessions; the outcome of exploration and development efforts; changes in law or government regulation, including tax and environmental requirements; the outcome of commercial negotiations; changes in technical or operating conditions; and other factors discussed under the heading "Factors Affecting Future Results" in the “Investors” section of our website and in Item 1A of ExxonMobil's 2012 Form 10-K.  We assume no duty to update these statements as of any future date. 

Frequently used terms

This press release includes cash flow from operations and asset sales, which is a non‑GAAP financial measure.  Because of the regular nature of our asset management and divestment program, we believe it is useful for investors to consider proceeds associated with the sales of subsidiaries, property, plant and equipment, and sales and returns of investments together with cash provided by operating activities when evaluating cash available for investment in the business and financing activities.  A reconciliation to net cash provided by operating activities is shown in Attachment II.  References to quantities of oil or natural gas may include amounts that we believe will ultimately be produced, but that are not yet classified as “proved reserves” under SEC definitions.  Further information on ExxonMobil's frequently used financial and operating measures and other terms is contained under the heading "Frequently Used Terms" available through the “Investors” section of our website at exxonmobil.com.

Reference to Earnings

References to corporate earnings mean net income attributable to ExxonMobil (U.S. GAAP) from the consolidated income statement.  Unless otherwise indicated, references to earnings, Upstream, Downstream, Chemical and Corporate and Financing segment earnings, and earnings per share are ExxonMobil's share after excluding amounts attributable to noncontrolling interests.

The term “project” as used in this release can refer to a variety of different activities and does not necessarily have the same meaning as in any government payment transparency reports.