MIGC LLC AFFILIATES WITH MARKETING FUNCTION EMPLOYEES
NAMES AND ADDRESSES

Anadarko Petroleum Corporation
Anadarko Energy Services Company
Western Gas Resources, Inc.
Anadarko Energy Marketing, Inc.
Kerr-McGee Corporation
Oryx Gas Marketing Company
Kerr-McGee Energy Services Corporation
Oryx Gas Marketing Limited Partnership


Corporate Address:
1201 Lake Robbins Drive
The Woodlands, Texas 77380

Local Adress:
1099 18th St., Suite 600
Denver, Colorado 80202

Updated:  December 23, 2008