American PowerNet Management LP
c/o New Page
7100 County Road 426
Escanaba, MI 49829


CMS ERM Michigan LLC
One Energy Plaza, Suite 1060
Jackson, MI 49201


Commerce Energy Inc.
32991 Hamilton Court
Farmington Hills, MI 48334
www.commerceenergy.com


Constellation NewEnergy Inc.
1000 Town Center, Suite 2350
Southfield, MI 48075
www.newenergy.com


Exelon Energy Company
4300 Winfield Road
Warrenville, IL 60555
www.exelonenergy.com


FirstEnergy Solutions
395 Ghent Road
Akron, Ohio 44333
www.fes.com


Integrys Energy Services Inc.
3520 Green Court, Suite 200
Ann Arbor, MI 48105
www.integrysenergy.com


Metro Energy LLC
414 South Main Street, Suite 600
Ann Arbor, MI 48104


MidAmerican Energy Co.
39555 Orchard Hill Place, Suite 600
Novi, MI 48375
www.midamericanchoice.com


Powerone Corporation
6850 North Haggerty Road
Canton, MI 48187
www.poweronecorp.com


Sempra Energy Solutions
100 West Big Beaver Road, Suite 200
Troy, MI 48084
www.SempraSolutions.com


Spartan Renewable Energy LLC
10125 West Watergate Road
P.O. Box 209
Cadillac, MI 49601
www.spartanrenewable.com


Strategic Energy LLC
17197 North Laurel Park Drive
Livonia, MI 48152
www.sel.com


U.P. Power Marketing LLC
29639 Willow Road
White Pine, MI 49971


Wolverine Power Marketing Cooperative Inc.
10125 West Watergate Road
P.O. Box 100
Cadillac, MI 49601
www.wpmc.coop