Exhibit 23.3

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We hereby consent to the incorporation by reference in this Amendment No. 1 to the Registration Statement on Form S-4 of Exxon Mobil Corporation of our report dated March 5, 2021 relating to the financial statements of Denbury Resources Inc. (Predecessor), which appears in Denbury Inc.’s Annual Report on Form 10-K for the year ended December 31, 2022. We also consent to the reference to us under the heading “Experts” in such Registration Statement.

/s/ PricewaterhouseCoopers LLP

Dallas, TX

September 27, 2023

 

1