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Form 425 - Prospectuses and communications, business combinations:
SEC Accession No. 0001104659-15-075778
Filing Date
2015-11-04
Accepted
2015-11-04 16:30:31
Documents
22

Document Format Files

Seq Description Document Type Size
1 425 a15-22396_1425.htm 425 44194
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  Complete submission text file 0001104659-15-075778.txt   3505267
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 (Filed by) CIK: 0001166036 (see all company filings)

IRS No.: 270005456 | Fiscal Year End: 1231
Type: 425
SIC: 1311 Crude Petroleum & Natural Gas

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.: 151197322
SIC: 1311 Crude Petroleum & Natural Gas