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New Jersey ( State or other jurisdiction of incorporation or organization ) 2020 FORM 10 - K ANNUAL REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31 , 2020 or Title of Each Class Common Stock , without par value 0.142 % Notes due 2024 0.524 % Notes due 2028 0.835 % Notes due 2032 1.408 % Notes due 2039 UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON , D.C. 20549 □ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from Large accelerated filer Non - accelerated filer to Commission File Number 1-2256 Exxon Mobil Corporation ( Exact name of registrant as specified in its charter ) 5959 Las Colinas Boulevard , Irving , Texas 75039-2298 ( Address of principal executive offices ) ( Zip Code ) ( 972 ) 940-6000 ( Registrant's telephone number , including area code ) Securities registered pursuant to Section 12 ( b ) of the Act : Trading Symbol XOM XOM24B XOM28 XOM32 XOM39A 13-5409005 ( I.R.S. Employer Identification Number ) Indicate by check mark if the registrant is a well - known seasoned issuer , as defined in Rule 405 of the Securities Act . Yes 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 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 Name of Each Exchange on Which Registered New York Stock Exchange New York Stock Exchange New York Stock Exchange New York Stock Exchange New York Stock Exchange No No Indicate by check mark whether the registrant has submitted electronically 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 R No Accelerated filer Smaller reporting company Emerging growth company Indicate by check mark whether the registrant is a large accelerated filer , an accelerated filer , a non - accelerated filer , a smaller reporting company , or an emerging growth company . See the definitions of " large accelerated filer , " " accelerated filer , " " smaller reporting company , " and " emerging growth company " in Rule 12b - 2 of the Exchange Act . 0 0 0 If an emerging growth company , indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13 ( a ) of the Exchange Act . Indicate by check mark whether the registrant has filed a report on and attestation to its management's assessment of the effectiveness of its internal control over financial reporting under Section 404 ( b ) of the Sarbanes - Oxley Act ( 15 U.S.C. 7262 ( b ) ) by the registered public accounting firm that prepared or issued its audit report . Indicate by check mark whether the registrant is a shell company ( as defined by Rule 12b - 2 of the Act ) . Yes No The aggregate market value of the voting stock held by non - affiliates of the registrant on June 30 , 2020 , the last business day of the registrant's most recently completed second fiscal quarter , based on the closing price on that date of $ 44.72 on the New York Stock Exchange composite tape , was in excess of $ 189 billion . Class Common stock , without par value Outstanding as of January 31 , 2021 4,233,483,160 Documents Incorporated by Reference : Proxy Statement for the 2021 Annual Meeting of Shareholders ( Part III )