EXHIBIT 99.1

IRVING, Texas – April 29, 2016 – Exxon Mobil Corporation today announced estimated first quarter 2016 earnings of $1.8 billion, or $0.43 per diluted share, compared with $4.9 billion a year earlier. The impacts of sharply lower commodity prices and weaker refining margins were partly offset by strong Chemical results.

“The organization continues to respond effectively to challenging industry conditions, capturing enhancements to operational performance and creating margin uplift despite low prices,” said Rex W. Tillerson, chairman and chief executive officer. “The scale and integrated nature of our cash flow provide competitive advantage and support consistent strategy execution.”

The corporation is making steady progress on its investment plans. New project capacity additions drove liquids production up 11.5 percent in the quarter, or 261,000 barrels per day. Total Upstream volumes increased to 4.3 million oil-equivalent barrels per day, while capital and exploration expenditures were reduced 33 percent to $5.1 billion.

Chemical earnings increased 38 percent to $1.4 billion on stronger margins and higher sales volumes. The business is capturing increased specialty and commodity product demand along with significant cost benefits from both gas and liquids cracking advantages at our integrated sites. The Downstream segment earned $906 million as global gasoline demand remains relatively strong. 

During the quarter, the corporation distributed $3.1 billion in dividends to shareholders.

First Quarter 2016 vs. First Quarter 2015

Upstream earnings declined $2.9 billion from the first quarter of 2015, to a loss of $76 million. Lower liquids and gas realizations decreased earnings by $2.6 billion. Sales mix effects decreased earnings by $100 million. All other items decreased earnings by $250 million, including lower gains on asset sales and less favorable tax items partly offset by lower expenses.

On an oil-equivalent basis, production increased 1.8 percent from the first quarter of 2015. Liquids production totaled 2.5 million barrels per day, up 261,000 barrels per day, while natural gas production was 10.7 billion cubic feet per day, down 1.1 billion cubic feet per day from 2015. Project ramp‑up was partly offset by regulatory restrictions in the Netherlands, field decline and asset management impacts.

The U.S. Upstream operations recorded a loss of $832 million, compared to a loss of $52 million in the first quarter of 2015. Non-U.S. Upstream earnings were $756 million, down $2.2 billion from the prior year.

Downstream earnings were $906 million, down $761 million from the first quarter of 2015. Weaker margins decreased earnings by $860 million. Volume and mix effects increased earnings by $10 million. All other items, primarily favorable foreign exchange effects, increased earnings by $90 million. Petroleum product sales of 5.3 million barrels per day were 480,000 barrels per day lower than the prior year’s first quarter.

Earnings from the U.S. Downstream were $187 million, down $380 million from the first quarter of 2015. Non-U.S. Downstream earnings of $719 million were $381 million lower than last year.

Chemical earnings of $1.4 billion were $373 million higher than the first quarter of 2015. Improved margins increased earnings by $250 million. Favorable volume and mix effects increased earnings by $80 million. All other items, primarily lower expenses, increased earnings by $40 million. First quarter prime product sales of 6.2 million metric tons were 104,000 metric tons higher than last year's first quarter.

Corporate and financing expenses were $375 million for the first quarter of 2016, down $189 million from the first quarter of 2015 due to favorable tax items.

During the first quarter of 2016, Exxon Mobil Corporation purchased 9 million shares of its common stock for the treasury at a gross cost of $726 million. These shares were acquired to offset dilution in conjunction with the company’s benefit plans and programs. The corporation will continue to acquire shares to offset dilution in conjunction with its benefit plans and programs, but does not currently plan on making purchases to reduce shares outstanding.

ExxonMobil will discuss financial and operating results and other matters during a webcast at 8:30 a.m. Central Time on April 29, 2016. To listen to the event or access an archived replay, please visit www.exxonmobil.com. 

Cautionary Statement

Statements relating to future plans, projections, events or conditions are forward‑looking statements. Actual financial and operating 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 impact of fiscal and commercial terms; 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 2015 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 including “prime product sales” 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.

Exxon Mobil Corporation has numerous affiliates, many with names that include ExxonMobil, Exxon, Mobil, Esso, and XTO. For convenience and simplicity, those terms and terms such as Corporation, company, our, we, and its are sometimes used as abbreviated references to specific affiliates or affiliate groups. Similarly, ExxonMobil has business relationships with thousands of customers, suppliers, governments, and others. For convenience and simplicity, words such as venture, joint venture, partnership, co-venturer, and partner are used to indicate business and other relationships involving common activities and interests, and those words may not indicate precise legal relationships.