EXHIBIT
23.1
CONSENT OF
INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
We hereby consent
to the incorporation by reference in this Post-effective Amendment No. 1 on Form
S-8 to Form S-4 Registration Statement of our report dated February 26, 2010
relating to the financial statements and the effectiveness of internal control
over financial reporting, which appears in Exxon Mobil's Annual Report on Form
10-K for the year ended December 31, 2009.
/s/
PricewaterhouseCoopers LLP
Dallas,
Texas
June 25,
2010