EDGAR Filing Documents for 0001104659-12-016018

Form 8-K - Current report:

SEC Accession No. 0001104659-12-016018

Filing Date

2012-03-07

Accepted

2012-03-07 06:06:28

Documents

Period of Report

2012-03-06

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	a12-6639_18k.htm	8-K	29587
2	EX-99.1	a12-6639_1ex99d1.htm	EX-99.1	15686
3	GRAPHIC	g66391mmi001.jpg	GRAPHIC	4874
4	GRAPHIC	g66391mmi002.jpg	GRAPHIC	3743
	Complete submission text file	0001104659-12-016018.txt		58581

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.: 12672405
SIC: 1311 Crude Petroleum & Natural Gas