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Filing Detail
Form 425 - Prospectuses and communications, business combinations:
SEC Accession No. 0001104659-07-068181
Filing Date
2007-09-11
Accepted
2007-09-10 21:58:06
Documents
4

Document Format Files

Seq Description Document Type Size
1 425 a07-23561_18k.htm 425 26998
2 EX-99.1 a07-23561_1ex99d1.htm EX-99.1 111452
3 GRAPHIC g235611mm01i001.jpg GRAPHIC 6794
4 GRAPHIC g235611mm01i002.jpg GRAPHIC 1972
  Complete submission text file 0001104659-07-068181.txt   152972
Mailing Address 1515 ARAPAHOE STREET, TOWER 2, SUITE 700 DENVER CO 80202-2126
Business Address 1515 ARAPAHOE STREET, TOWER 2, SUITE 700 DENVER CO 80202-2126 303-925-9200
MARKWEST HYDROCARBON INC (Subject) CIK: 0001019756 (see all company filings)

IRS No.: 841352233 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 425 | Act: 34 | File No.: 001-14841 | Film No.: 071109964
SIC: 1311 Crude Petroleum & Natural Gas

Mailing Address 1515 ARAPAHOE STREET TOWER 2, SUITE 700 DENVER CO 80202-2126
Business Address 1515 ARAPAHOE STREET TOWER 2, SUITE 700 DENVER CO 80202-2126 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