Type	Name	Date
Other	Summary of Director Compensation	02/02/2006
Other	Summary of the 2005 Incentive Compensation Plan Performance Targets	02/02/2006
Other	Summary of the 2006 Incentive Compensation Plan Performance Targets	02/02/2006
Other	Agreement between MarkWest Hydrocarbon, Inc. and Paper, Allied-Industrial, Chemical and Energy Workers International Union and its Sub-Local 5-372	08/18/2005
Other	Waiver Letters	07/14/2005
Other	Waiver Letters	05/05/2005
Other	Waiver Letters	04/06/2005
Other	Summary of Director Compensation	01/27/2005
Other	Summary of the 2004 Incentive Compensation Plan Performance Targets	01/27/2005
Other	Summary of the 2005 Incentive Compensation Plan Performance Targets	01/27/2005