EDGAR Filing Documents for 0001104659-13-015561

Form 8-K - Current report:

SEC Accession No. 0001104659-13-015561

Filing Date

2013-02-28

Accepted

2013-02-28 08:18:10

Documents

Period of Report

2013-02-27

Items

Item 2.02: Results of Operations and Financial Condition
Item 9.01: Financial Statements and Exhibits

Document Format Files

Seq	Description	Document	Type	Size
1	8-K	a13-6234_18k.htm	8-K	31336
2	EX-99.1	a13-6234_1ex99d1.htm	EX-99.1	821531
3	GRAPHIC	g62341mm01i001.jpg	GRAPHIC	6674
	Complete submission text file	0001104659-13-015561.txt		863343

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.: 13649145
SIC: 1311 Crude Petroleum & Natural Gas