X0306 4 2022-03-09 1 0001572910 PHILLIPS 66 PARTNERS LP PSXP 0001503107 Garland Greg C. 2331 CITYWEST BLVD. HOUSTON TX 77042 1 1 0 0 Chairman and CEO Common Units 2022-03-09 4 D 0 35000 D 0 D Pursuant to that certain Agreement and Plan of Merger dated October 26, 2021 (the "Merger Agreement") by and among the Issuer, Phillips 66, Phoenix Sub LLC, a Delaware limited liability company and jointly owned subsidiary of P66 Company and P66 PDI ("Merger Sub") and the other parties thereto, on March 9, 2022, Merger Sub merged with and into the Issuer, with the Issuer surviving as an indirect, wholly owned subsidiary of Phillips 66 (the "Merger"). At the effective time of the Merger (the "Effective Time"), each outstanding Common Unit held by the Reporting Person was converted into the right to receive 0.500 shares (the "Exchange Ratio") of common stock, par value $0.01 per share, of Phillips 66 (the "Merger Consideration"). /s/ Greg C. Garland 2022-03-09