EDGAR Filing Documents for 0001104659-12-006924

Form 8-K - Current report:

SEC Accession No. 0001104659-12-006924

Filing Date

2012-02-06

Accepted

2012-02-06 16:37:13

Documents

Period of Report

2012-01-31

Items

Item 7.01: Regulation FD Disclosure
Item 8.01: Other Events
Item 9.01: Financial Statements and Exhibits

Document Format Files

Seq	Description	Document	Type	Size
1	8-K	a12-4312_18k.htm	8-K	34558
2	EX-99.1	a12-4312_1ex99d1.htm	EX-99.1	19323
3	GRAPHIC	g43121mmi001.jpg	GRAPHIC	6769
	Complete submission text file	0001104659-12-006924.txt		64495

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: 8-K | Act: 34 | File No.: 001-31239 | Film No.: 12574067
SIC: 1311 Crude Petroleum & Natural Gas