EX-23.1 4 exhibit231.htm EXHIBIT 23.1 Exhibit

Exhibit 23.1
CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
We hereby consent to the incorporation by reference in this Registration Statement on Form S‑3 of MPLX LP of our report dated February 28, 2019 relating to the financial statements and the effectiveness of internal control over financial reporting, which appears in MPLX LP’s Annual Report on Form 10‑K for the year ended December 31, 2018. We also consent to the reference to us under the heading “Experts” in such Registration Statement
/s/ PricewaterhouseCoopers LLP
Toledo, Ohio
March 8, 2019