X0508 4 2024-02-06 0 0001534701 Phillips 66 PSX 0001663211 Mitchell Kevin J 2331 CITYWEST BLVD. HOUSTON TX 77042 0 1 0 0 Exec. VP and CFO 0 Common Stock 2024-02-06 4 A 0 9301 147.685 A 112652 D Common Stock 1300.838 I COP Savings Plan Common Stock 4601.463 I Held by Spouse The price reflected above is the average of the high and the low price of the Company's stock on February 6, 2024. Includes 50,506 Restricted Stock Units (RSUs), including the 9,301 RSUs reported on this Form 4, that settle for shares of Phillips 66 common stock on a 1-for-1 basis. /s/ Jenarae N. Garland, as Attorney-in-Fact 2024-02-08