0001209191-15-084020.txt : 20151208 0001209191-15-084020.hdr.sgml : 20151208 20151208170943 ACCESSION NUMBER: 0001209191-15-084020 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20151204 FILED AS OF DATE: 20151208 DATE AS OF CHANGE: 20151208 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: MPLX LP CENTRAL INDEX KEY: 0001552000 STANDARD INDUSTRIAL CLASSIFICATION: PIPE LINES (NO NATURAL GAS) [4610] IRS NUMBER: 270005456 FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 200 E. HARDIN STREET CITY: FINDLAY STATE: OH ZIP: 45840 BUSINESS PHONE: (419) 421-2159 MAIL ADDRESS: STREET 1: 200 E. HARDIN STREET CITY: FINDLAY STATE: OH ZIP: 45840 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: Bromley C Corwin CENTRAL INDEX KEY: 0001304667 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-35714 FILM NUMBER: 151276333 MAIL ADDRESS: STREET 1: 1515 ARAPAHOE ST. STREET 2: TOWER 2, SUITE 700 CITY: DENVER STATE: CO ZIP: 80202 4 1 doc4.xml FORM 4 SUBMISSION X0306 4 2015-12-04 0 0001552000 MPLX LP MPLX 0001304667 Bromley C Corwin C/O MPLX LP 200 E. HARDIN STREET FINDLAY OH 45840 0 1 0 0 Ex VP, Gen Counsel (CLO) & Sec Common Units (Limited Partner Interests) 2015-12-04 4 A 0 70096 A 70096 D Received in exchange for 64,309 MarkWest Energy Partners, L.P. ("MarkWest") common units, including converted phantom units (net of any required withholding taxes with respect to phantom units) in connection with the merger of Sapphire Holdco LLC, a wholly owned subsidiary of the Issuer, with and into MarkWest on December 4, 2015, with MarkWest as the surviving entity (the "Merger"). The Merger consideration for this transaction was 1.09 Issuer common units plus $6.20 in cash per MarkWest common unit or phantom unit converted in connection with the Merger, with cash paid in lieu of fractional units. On the effective date of the Merger, the closing price of the Issuer's common units was $30.83 per unit. The Reporting Person is the Executive Vice President, General Counsel (CLO) and Secretary of MPLX GP LLC, the general partner of the Issuer. The Issuer is managed by the directors and executive officers of MPLX GP LLC. /s/ Molly R. Benson, Attorney-in-Fact for C. Corwin Bromley 2015-12-08