Marketing and Energy Affiliates

Updated May 22, 2008

Pepco Energy Services, Inc.
1300 17th Street N., Suite 1600
Arlington, VA 22209

Conectiv Energy Supply, Inc.
800 King Street
Wilmington , DE 19801

Conectiv Atlantic Generation, LLC
800 King Street
Wilmington , DE 19801

Conectiv Bethlehem, LLC
2254 Applebutter Road
Bethlehem , PA 18015

Conectiv Delmarva Generation, Inc.
800 King Street
Wilmington , DE 19801

Conectiv Mid-Merit, Inc.
800 King Street
Wilmington , DE 19801

Conectiv Pennsylvania Generation, Inc.
800 King Street
Wilmington , DE 19801

Energy Systems North East, LLC
10915 Ackerman Rd.
Northeast, PA 16428

Potomac Power Resources, Inc.
1300 17th Street N., Suite 1600
Arlington , VA 22209

Fauquier Landfill Gas, LLC
c/o Pepco Energy Services
1300 17th Street N., Suite 1600
Arlington, VA 22209

Eastern Landfill Gas, LLC
c/o Pepco Energy Services
1300 17th Street N., Suite 1600
Arlington, VA 22209

Bethlehem Renewable Energy, LLC
c/o Pepco Energy Services
1300 17th Street N., Suite 1600
Arlington, VA 22209