AMENDMENT TO AGREEMENT AND PLAN OF MERGERAgreement and Plan of Merger • November 10th, 2015 • Markwest Energy Partners L P • Crude petroleum & natural gas
THIS AMENDMENT TO AGREEMENT AND PLAN OF MERGER, dated as of November 10, 2015 (this “Amendment”), is made by and among MarkWest Energy Partners, L.P., a Delaware limited partnership (the “Partnership”), MPLX LP, a Delaware limited partnership (“Parent”), MPLX GP LLC, a Delaware limited liability company and the general partner of Parent (“Parent GP”), solely for purposes of Section 5.15 of the Merger Agreement (defined below), Marathon Petroleum Corporation, a Delaware corporation and the ultimate parent of Parent GP (“MPC”), and Sapphire Holdco LLC, a Delaware limited liability company and a wholly owned Subsidiary of Parent (“Merger Sub” and, with MPC, Parent and Parent GP, the “Parent Entities”).
