EDGAR Filing Documents for 0001104659-15-080266

Form 425 - Prospectuses and communications, business combinations:

SEC Accession No. 0001104659-15-080266

Filing Date

2015-11-19

Accepted

2015-11-19 16:57:18

Documents

Document Format Files

Seq	Description	Document	Type	Size
1	425	a15-22396_17425.htm	425	43268
2	GRAPHIC	g2239617bii001.jpg	GRAPHIC	12209
	Complete submission text file	0001104659-15-080266.txt		61792

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 (Filed by) CIK: 0001166036 (see all company filings)

IRS No.: 270005456 | Fiscal Year End: 1231
Type: 425
SIC: 1311 Crude Petroleum & Natural Gas

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 (Subject) CIK: 0001166036 (see all company filings)

IRS No.: 270005456 | Fiscal Year End: 1231
Type: 425 | Act: 34 | File No.: 001-31239 | Film No.: 151244244
SIC: 1311 Crude Petroleum & Natural Gas