EDGAR Filing Documents for 0001104659-13-039571

Form 8-K - Current report:

SEC Accession No. 0001104659-13-039571

Filing Date

2013-05-09

Accepted

2013-05-09 16:03:18

Documents

Period of Report

2013-05-08

Items

Item 7.01: Regulation FD Disclosure
Item 8.01: Other Events

Document Format Files

Seq	Description	Document	Type	Size
1	8-K	a13-12055_18k.htm	8-K	27506
2	EX-99.1	a13-12055_1ex99d1.htm	EX-99.1	14582
3	GRAPHIC	g120551mmi001.jpg	GRAPHIC	6654
	Complete submission text file	0001104659-13-039571.txt		52489

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.: 13828603
SIC: 1311 Crude Petroleum & Natural Gas