0000876661-15-000609.txt : 20151207 0000876661-15-000609.hdr.sgml : 20151207 20151207140441 ACCESSION NUMBER: 0000876661-15-000609 CONFORMED SUBMISSION TYPE: 25-NSE PUBLIC DOCUMENT COUNT: 2 FILED AS OF DATE: 20151207 DATE AS OF CHANGE: 20151207 EFFECTIVENESS DATE: 20151207 SUBJECT COMPANY: COMPANY DATA: COMPANY CONFORMED NAME: MARKWEST ENERGY PARTNERS L P CENTRAL INDEX KEY: 0001166036 STANDARD INDUSTRIAL CLASSIFICATION: CRUDE PETROLEUM & NATURAL GAS [1311] IRS NUMBER: 270005456 FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 25-NSE SEC ACT: 1934 Act SEC FILE NUMBER: 001-31239 FILM NUMBER: 151272289 BUSINESS ADDRESS: STREET 1: 1515 ARAPAHOE STREET STREET 2: TOWER 1, SUITE 1600 CITY: DENVER STATE: CO ZIP: 80202 BUSINESS PHONE: 303-925-9200 MAIL ADDRESS: STREET 1: 1515 ARAPAHOE STREET STREET 2: TOWER 1, SUITE 1600 CITY: DENVER STATE: CO ZIP: 80202 FILED BY: COMPANY DATA: COMPANY CONFORMED NAME: NEW YORK STOCK EXCHANGE LLC CENTRAL INDEX KEY: 0000876661 IRS NUMBER: 000000000 STATE OF INCORPORATION: NY FILING VALUES: FORM TYPE: 25-NSE BUSINESS ADDRESS: STREET 1: 11 WALL STREET CITY: NEW YORK STATE: NY ZIP: 10005 BUSINESS PHONE: 212-656-2060 MAIL ADDRESS: STREET 1: 11 WALL STREET CITY: NEW YORK STATE: NY ZIP: 10005 FORMER COMPANY: FORMER CONFORMED NAME: NEW YORK STOCK EXCHANGE INC DATE OF NAME CHANGE: 19910628 25-NSE 1 primary_doc.xml X0203 0000876661 NEW YORK STOCK EXCHANGE LLC 1166036 MARKWEST ENERGY PARTNERS L P 001-31239

1515 Arapahoe Street Tower One, Suite 1600 Denver CO COLORADO 80202-2126

(303) 925-9200 Common Units representing limited partner interests 17 CFR 240.12d2-2(a)(3) Benjamin Sawyer Manager 2015-12-07 EX-99.25 2 ruleprovisionnotice.htm NOTIFICATION OF THE REMOVAL FROM LISTING AND REGISTRATION OF THE STATED SECURITIES The New York Stock Exchange hereby notifies the SEC of its intention to remove the entire class of the stated securities from listing and registration on the Exchange at the opening of business on December 18, 2015, pursuant to the provisions of Rule 12d2-2 (a). [ X ] 17 CFR 240.12d2-2(a)(3) That on December 4, 2015 the instruments representing the securities comprising the entire class of this security came to evidence, by operation of law or otherwise, other securities in substitution therefore and represent no other right except, if such be the fact, the right to receive an immediate cash payment. The merger between MarkWest Energy Partners, L.P. and MPLX LP became effective before the opening on December 4, 2015. Each Common Unit representing limited partner interests of MarkWest Energy Partners, L.P. was converted into $6.20 cash and 1.09 shares of MPLX LP Common Units representing limited partner interests. The Exchange also notifies the Securities and Exchange Commission that as a result of the above indicated conditions this security was suspended from trading on December 4, 2015.