BAILEY KEITH E 4
4 · MARKWEST ENERGY PARTNERS L P · Filed May 13, 2011
Insider Transaction Report
Form 4
BAILEY KEITH E
Director
Transactions
- Purchase
Common Units
2011-05-13$45.61/sh+2,200$100,352→ 51,983 total
4 · MARKWEST ENERGY PARTNERS L P · Filed May 13, 2011
Common Units