X0306 4 2021-02-24 0 0001708301 BP Midstream Partners LP BPMP 0001623190 Joy Michele F 501 WESTLAKE PARK BLVD HOUSTON TX 77079 1 0 0 0 Common Units representing limited partner interests 2021-02-24 4 A 0 6178 0.00 A 18892 D Common Units subject to a Phantom Unit Agreement that vest on the first anniversary of the date of grant and will be settled on the second anniversary of the vesting date, subject to certain conditions and exceptions. The Issuer is a Delaware limited partnership, managed by the directors and officers of its general partner, BP Midstream Partners GP LLC (the "General Partner"). Ms. Joy is a Director of the General Partner. /s/ Hans F. Boas, as attorney-in-fact for Michele F. Joy 2021-03-04