X0306 4 2022-03-09 0 0001534701 Phillips 66 PSX 0001663211 Mitchell Kevin J 2331 CITYWEST BLVD. HOUSTON TX 77042 0 1 0 0 Exec. VP, Finance and CFO Common Stock 2022-03-09 4 A 0 5000 A 96575 D Common Stock 1300.863 I COP Savings Plan Common Stock 4601.557 I Held by Spouse Pursuant to an Agreement and Plan of Merger dated October 26, 2021, each outstanding common unit of Phillips 66 Partners LP held by the reporting person was converted into the right to receive 0.500 shares of Phillips 66 common stock effective on March 9, 2022. Includes 41,855 Restricted Stock Units (RSUs) that settle for shares of Phillips 66 common stock on a 1-for-1 basis on the third anniversary of the date of grant. Julie P. Pradel, Attorney in Fact 2022-03-11