EXHIBIT 23
CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
We hereby consent to the incorporation by reference in the following Exxon Mobil Corporation Registration Statements on:
Form S-3 (No. 333-167787) — XTO Energy Inc. 2004 Stock Incentive Plan;
Form S-3 (No. 333-194609) — Exxon Mobil Corporation Debt Securities;
Form S-8 (Nos. 333-101175, — 1993 Incentive Program of Exxon Mobil Corporation;
333-38917,
33-51107,
and 333-75659)
Form S-8 (Nos. 333-145188, — 2003 Incentive Program of Exxon Mobil Corporation;
333-110494,
and 333-183012)
Form S-8 (No. 333-166576) — ExxonMobil Savings Plan;
Form S-8 (No. 333-117980) — 2004 Non-employee Director Restricted Stock Plan;
Form S-8 (No. 333-164620) — Post-effective amendment no. 1 on Form S-8 to Form S-4
relating to XTO Energy Inc. 1998 Stock Incentive Plan and
2004 Incentive Plan
of our report dated February 24, 2016, relating to the financial statements and the effectiveness of internal control over financial reporting, which appears in this Form 10-K.
/s/ PricewaterhouseCoopers LLP
Dallas, Texas
February 24, 2016