EDGAR Filing Documents for 0001047469-15-008740

Form DEFA14A - Additional definitive proxy soliciting materials and Rule 14(a)(12) material:

SEC Accession No. 0001047469-15-008740

Filing Date

2015-11-17

Accepted

2015-11-17 16:07:49

Documents

Effectiveness Date

2015-11-17

Document Format Files

Seq	Description	Document	Type	Size
1	DEFA14A	a2226651zdefa14a.htm	DEFA14A	429027
2	G985459.JPG	g985459.jpg	GRAPHIC	34291
3	G439009.JPG	g439009.jpg	GRAPHIC	4854
	Complete submission text file	0001047469-15-008740.txt		484229

Mailing Address 1515 ARAPAHOE STREET TOWER 1, SUITE 1600 DENVER CO 80202

Business Address 1515 ARAPAHOE STREET TOWER 1, SUITE 1600 DENVER CO 80202 303-925-9200

MARKWEST ENERGY PARTNERS L P (Filer) CIK: 0001166036 (see all company filings)

IRS No.: 270005456 | Fiscal Year End: 1231
Type: DEFA14A | Act: 34 | File No.: 001-31239 | Film No.: 151238275
SIC: 1311 Crude Petroleum & Natural Gas