MARKWEST ENERGY PARTNERS L P 4/A SEC Filings

Filed On	Filing
16 Oct 2012	Form 4/A: Mollenkopf John C, SVP, Chief Operating Officer Holds 311,870 shares of Common Units
08 Apr 2009	Form 4/A: Wolf Donald D, Director Received 34,688 shares as a grant or award
08 Apr 2009	Form 4/A: Nickerson Randy S, SVP, Chief Commercial Officer Received 2,103 shares as a grant or award
26 Aug 2008	Form 4/A: Wolf Donald D, Director Bought 7,150 shares ($238K) · Gave 4,000 shares as a gift
13 Apr 2007	Form 4/A: Young David Lee, SVP, Corporate Svcs Returned 3,470 shares to the issuer · Disposed of 270 Phantom Units (Disposition to Issuer)
02 Feb 2007	Form 4/A: Mollenkopf John C, SVP, Chief Opns Officer Received 660 shares by exercise or conversion · Received 789 shares as a grant or award
02 Feb 2007	Form 4/A: Semple Frank M, Director Received 1,109 shares by exercise or conversion · Received 1,544 shares as a grant or award
19 Dec 2006	Form 4/A: Ivey James G, Chief Financial Officer Received 1,250 shares by exercise or conversion ($60.5K)
19 Dec 2006	Form 4/A: Semple Frank M, Director Received 1,875 shares by exercise or conversion ($90.8K)
02 Feb 2005	Form 4/A: Smith Ted S, Chief Accounting Officer Granted 157 Phantom Units
02 Feb 2005	Form 4/A: Semple Frank M, Director Granted 823 Phantom Units

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