Company:  MARKWEST ENERGY PARTNERS ... (MWE)
Form Type:  424B5
Filing Date:  9/16/2004 
CIK:  0001166036 
Address:  1515 ARAPAHOE STREET
TOWER 1, SUITE 1600
 
City, State, Zip:  DENVER, Colorado 80202 
Telephone:  303-925-9200 
Fiscal Year:  12/31 
Last Trade
Last Trade: 
$68.32  
Change: 
-0.55 (-0.80%)  
Trade Time: 
04:04 PM EST  
Market Cap: 
$8.91B
Description of Business
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  FORM 424B5
    TABLE OF CONTENTS
    SUMMARY
    Business Strategies
    The Offering
    SUMMARY HISTORICAL AND PRO FORMA FINANCIAL AND OPERATING DATA
    RISK FACTORS
    USE OF PROCEEDS
    CAPITALIZATION
    MANAGEMENT
      NAME AND TITLE
    SELLING UNITHOLDERS
      BENEFICIAL OWNERS
    MATERIAL TAX CONSEQUENCES
    UNDERWRITING
    LEGAL MATTERS
    EXPERTS
    FORWARD-LOOKING STATEMENTS
    WHERE YOU CAN FIND MORE INFORMATION
      INCORPORATION OF CERTAIN DOCUMENTS BY REFERENCE
    RISK FACTORS
    USE OF PROCEEDS
    RATIOS OF EARNINGS TO FIXED CHARGES
    DESCRIPTION OF OUR DEBT SECURITIES
    DESCRIPTION OF THE COMMON UNITS
    Power of Attorney
      Indemnification
      BENEFICIAL OWNERS
    PLAN OF DISTRIBUTION