X0508 4 2025-11-07 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 2025-11-07 4 M 0 16400 94.85 A 106171 D Common Stock 2025-11-07 4 M 0 13600 74.70 A 119771 D Common Stock 2025-11-07 4 S 0 30000 138 D 89771 D Common Stock 1300.777 I COP Savings Plan Employee Stock Option (Right to Buy) 94.85 2025-11-07 4 M 0 16400 0 D 2028-02-06 Common Stock 16400 27200 D Employee Stock Option (Right to Buy) 74.70 2025-11-07 4 M 0 13600 0 D 2031-02-09 Common Stock 13600 43600 D The exercise of stock options and sale of shares acquired upon exercise were made solely at the direction of the reporting person's ex-spouse pursuant to a domestic relations order. The reporting person's ex-spouse will retain the after-tax proceeds from the sales. Includes 32,540 Restricted Stock Units that settle for shares of Phillips 66 common stock on a 1-for-1 basis. The stock options became exercisable in three equal annual installments beginning February 6, 2019. The stock options became exercisable in three equal annual installments beginning February 9, 2022. /s/ William H. Bald, as Attorney-in-Fact 2025-11-12