MPLX LP's (MPLX) is the K-1 issuing master limited partnership 'MLP' child of Marathon Petroleum (MPC). Now that MPC merged its two children, MPLX and Andeavor Logistics (ANDX), the surviving entity MPLX represents midstream energy assets spread across the US.
Andeavor Logistics midstream assets:
MPLX midstream assets:
Source: Company presentation
MPLX Earnings:
However, the merger just closed on July 31st, and the earnings being reported is prior to closing of that merger, so unfortunately all numbers presented in the last earnings report were for the MPLX portion of