0001179110-13-012512.txt : 20130801 0001179110-13-012512.hdr.sgml : 20130801 20130801182721 ACCESSION NUMBER: 0001179110-13-012512 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20130801 FILED AS OF DATE: 20130801 DATE AS OF CHANGE: 20130801 ISSUER: 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 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 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: HEPPERMANN DONALD C CENTRAL INDEX KEY: 0001235073 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-31239 FILM NUMBER: 131003975 MAIL ADDRESS: STREET 1: 1515 ARAPAHOE ST. STREET 2: TOWER 2, SUITE 700 CITY: DENVER STATE: CO ZIP: 80202 4 1 edgar.xml FORM 4 - X0306 4 2013-08-01 0 0001166036 MARKWEST ENERGY PARTNERS L P MWE 0001235073 HEPPERMANN DONALD C C/O MARKWEST ENERGY PARTNERS, L.P. 1515 ARAPAHOE ST. TWR 1, ST 1600 DENVER CO 80202 1 0 0 0 Common Units 2013-08-01 4 A 0 669 0 A 166785 D /s/ Sean M. McKendry as POA for Donald C Heppermann 2013-08-01