EDGAR Filing Documents for 0001193125-15-250737

Form 425 - Prospectuses and communications, business combinations:

SEC Accession No. 0001193125-15-250737

Filing Date

2015-07-13

Accepted

2015-07-13 07:14:58

Documents

Document Format Files

Seq	Description	Document	Type	Size
1	425	d70506d425.htm	425	11797
	Complete submission text file	0001193125-15-250737.txt		13307

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.: 15984716
SIC: 1311 Crude Petroleum & Natural Gas

Mailing Address 200 E. HARDIN STREET FINDLAY OH 45840

Business Address 200 E. HARDIN STREET FINDLAY OH 45840 (419) 421-2159

MPLX LP (Filed by) CIK: 0001552000 (see all company filings)

IRS No.: 455010536 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 425
SIC: 4610 Pipe Lines (No Natural Gas)