EDGAR Filing Documents for 0001104659-15-080453

Form 425 - Prospectuses and communications, business combinations:

SEC Accession No. 0001104659-15-080453

Filing Date

2015-11-20

Accepted

2015-11-20 16:05:20

Documents

Document Format Files

Seq	Description	Document	Type	Size
1	425	a15-22396_18425.htm	425	28084
2	GRAPHIC	g2239618bgi001.gif	GRAPHIC	6638
	Complete submission text file	0001104659-15-080453.txt		38918

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.: 151246675
SIC: 1311 Crude Petroleum & Natural Gas