COLUMBUS, Ohio, Jan. 3, 2006 – American Electric Power (NYSE: AEP), through its Columbus Southern Power (CSP) utility subsidiary, completed the purchase of Monongahela Power Company’s Ohio operations Dec. 31. Monongahela Power is a subsidiary of Allegheny Energy (NYSE: AYE).

     The purchase price was approximately $46 million, subject to post-closing adjustments. In addition, CSP will pay Allegheny $10 million associated with the termination of certain litigation.

     Through the purchase, AEP acquired 29,000 Monongahela Power customers in six southeastern Ohio counties and all transmission and distribution assets located in Ohio serving those customers. The sale also includes a power purchase agreement under which Allegheny will provide AEP 100 percent of its power requirements to serve the retail load in this area through May 31, 2007.

     AEP Ohio provides electricity to 1.4 million customers of major AEP subsidiaries Columbus Southern Power Company and Ohio Power Company in Ohio, and Wheeling Power Company in the northern panhandle of West Virginia. AEP Ohio is based in Gahanna, Ohio, and is a unit of American Electric Power.

     American Electric Power owns more than 36,000 megawatts of generating capacity in the United States and is the nation’s largest electricity generator. AEP is also one of the largest electric utilities in the United States, with more than 5 million customers linked to AEP’s 11-state electricity transmission and distribution grid. The company is based in Columbus, Ohio.
 
This report made by AEP and certain of its subsidiaries contains forwardlooking statements within the meaning of Section 21E of the Securities Exchange Act of 1934. Although AEP and each of its registrant subsidiaries believe that their expectations are based on reasonable assumptions, any such statements may be influenced by factors that could cause actual outcomes and results to be materially different from those projected. Among the factors that could cause actual results to differ materially from those in the forward-looking statements are: electric load and customer growth; weather conditions, including storms; available sources and costs of, and transportation for, fuels and the creditworthiness of fuel suppliers and transporters; availability of generating capacity and the performance of AEP’s generating plants; the ability to recover regulatory assets and stranded costs in connection with deregulation; the ability to recover increases in fuel and other energy costs through regulated or competitive electric rates; new legislation, litigation and government regulation including requirements for reduced emissions of sulfur, nitrogen, mercury, carbon and other substances; timing and resolution of pending and future rate cases, negotiations and other regulatory decisions (including rate or other recovery for new investments, transmission service and environmental compliance); oversight and/or investigation of the energy sector or its participants; resolution of litigation (including pending Clean Air Act enforcement actions and disputes arising from the bankruptcy of Enron Corp.); AEP´s ability to constrain its operation and maintenance costs; AEP´s ability to sell assets at acceptable prices and on other acceptable terms, including rights to share in earnings derived from the assets subsequent to their sale; the economic climate and growth in AEP´s service territory and changes in market demand and demographic patterns; inflationary trends; AEP´s ability to develop and execute a strategy based on a view regarding prices of electricity, natural gas, and other energy-related commodities; changes in the creditworthiness and number of participants in the energy trading market; changes in the financial markets, particularly those affecting the availability of capital and AEP´s ability to refinance existing debt at attractive rates; actions of rating agencies, including changes in the ratings of debt; volatility and changes in markets for electricity, natural gas, and other energy-related commodities; changes in utility regulation, including membership and integration into regional transmission structures; accounting pronouncements periodically issued by accounting standard-setting bodies; the performance of AEP´s pension and other postretirement benefit plans; prices for power that AEP generates and sells at wholesale; changes in technology and other risks and unforeseen events, including wars, the effects of terrorism (including increased security costs), embargoes and other catastrophic events.
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