Marketing and Energy Affiliates

Enogex Inc.
515 Central Park Drive, Suite 600
Oklahoma City, Oklahoma 73105

Enogex Gas Gathering, L.L.C.
515 Central Park Drive, Suite 600
Oklahoma City, Oklahoma 73105

Enogex Products Corp.
515 Central Park Drive, Suite 600
Oklahoma City, Oklahoma 73105

OGE Energy Resources, Inc
515 Central Park Drive, Suite 408
Oklahoma City, Oklahoma 73105

Oklahoma Gas & Electric Company
    Power Supply-Fuels (Energy Affiliate Business Unit)
420 S. Broadway
Oklahoma City, Oklahoma 73109

Oklahoma Gas & Electric Company
    Power Supply-Power Ops (Energy Affiliate Business Unit)
420 S. Broadway
Oklahoma City, Oklahoma 73109

Oklahoma Gas & Electric Company
    Power Supply-Regulatory Support (Energy Affiliate Business Unit)
420 S. Broadway
Oklahoma City, Oklahoma 73109