April 16, 2020
VIA EDGAR CORRESPONDENCE
U.S. Securities and Exchange Commission
Division of Corporation Finance
Office of Energy & Transportation
100 F Street, NE
Washington, DC 20549
Attention: Karina Dorin, Staff Attorney
| Re: | MPLX LP Registration Statement on Form S-4 Filed March 20, 2020 File No. 333-237317 |
Ladies and Gentlemen:
On behalf of MPLX LP (the “Company”), the undersigned hereby requests, pursuant to Rule 461(a) promulgated under the Securities Act of 1933, that the Registration Statement on Form S-4 (File No. 333-237317) of the Company be declared effective at 10:00 a.m. Eastern Time on Monday, April 20, 2020, or as soon thereafter as practicable. The Company respectfully requests that you notify Michael J. Solecki of such effectiveness by a telephone call to (216) 586-7103.
[Signature Follows]
Please contact Michael J. Solecki of Jones Day at (216) 586-7103 if you have any questions concerning this matter. Thank you for your continued attention to this matter.
| Very truly yours, | ||
MPLX LP By: MPLX GP LLC, its General Partner | ||
| By: | /s/ Molly R. Benson | |
| Name: | Molly R. Benson | |
| Title: | Vice President, Chief Securities, Governance & Compliance Officer and Corporate Secretary | |
cc: Michael J. Solecki, Esq.