X0508 4 2026-02-10 0 0001534701 Phillips 66 PSX 0002021896 Kluppel Ann M 2331 CITYWEST BLVD HOUSTON TX 77042 0 1 0 0 Vice President and Controller 0 Common Stock 2026-02-10 4 A 0 1991 156.70 A 25401 D Common Stock 3585.272 I By Phillips 66 Savings Plan The price reflected above is the average of the high and the low price of the Company's stock on February 10, 2026. Includes 4,720 Restricted Stock Units (RSUs), including the 1,991 RSUs reported on this Form 4, that settle for shares of Phillips 66 common stock on a 1-for-1 basis. Includes shares acquired through ongoing acquisitions under a 401(k) plan and/or routine dividend transactions that are exempt under rule 16a-11. /s/ William H. Bald, as Attorney-in-Fact 2026-02-11