Subsidiaries of BP Midstream Partners LP
At December 31, 2021
| | | | | | | | |
| Company Name | | State of Organization |
| BP Two Pipeline Company LLC | | Delaware |
| BP D-B Pipeline Company LLC | | Delaware |
| BP River Rouge Pipeline Company LLC | | Delaware |
| | | | | | | | |
| Joint Ventures | | State of Organization |
Mars Oil Pipeline Company LLC(1) | | Delaware |
Ursa Oil Pipeline Company LLC(2) | | Delaware |
KM Phoenix Holdings LLC(3) | | Delaware |
Mardi Gras Transportation System Company LLC(4) | | Delaware |
Caesar Oil Pipeline Company, LLC(4) | | Delaware |
Cleopatra Gas Gathering Company, LLC(4) | | Delaware |
Endymion Oil Pipeline Company, LLC(4) | | Delaware |
Proteus Oil Pipeline Company, LLC(4) | | Delaware |
(1)BP Midstream Partners LP owns a 28.5% interest in Mars Oil Pipeline Company LLC.
(2)BP Midstream Partners LP owns a 22.6916% interest in Ursa Oil Pipeline Company LLC.
(3)BP Midstream Partners LP owns a 25% interest in KM Phoenix Holdings LLC.
(4)BP Midstream Partners LP owns a 65% managing member interest in Mardi Gras Transportation System Company LLC. Mardi Gras Transportation System Company LLC owns a 56% interest in Caesar Oil Pipeline Company, LLC, a 53% interest in Cleopatra Gas Gathering Company, LLC, a 65% interest in Endymion Oil Pipeline Company, LLC and a 65% interest in Proteus Oil Pipeline Company, LLC.