COLUMBUS, Ohio, April 25, 2006 – The Board of Directors of American Electric Power Co. (NYSE: AEP) today declared a regular quarterly cash dividend of 37 cents a share on the company’s common stock.

The dividend is payable June 9, 2006, to shareholders of record as of May 10, 2006, and is the company’s 384th consecutive quarterly common stock cash dividend. AEP has paid a cash dividend on its common stock every quarter since July 1910.

American Electric Power is one of the largest electric utilities in the United States, delivering electricity to more than 5 million customers in 11 states. AEP is the nation’s largest generator of electricity, owning more than 36,000 megawatts of generating capacity in the U.S. AEP also owns the nation’s largest electricity transmission system, a nearly 39,000-mile network that includes more 765 kilovolt extra-high voltage transmission lines than all other U.S. transmission systems combined. AEP’s utility units operate as AEP Ohio, AEP Texas, Appalachian Power (in Virginia, West Virginia and Tennessee), Indiana Michigan Power, Kentucky Power, Public Service Company of Oklahoma, and Southwestern Electric Power Company (in Arkansas, Louisiana and east Texas). American Electric Power, based in Columbus, Ohio, is celebrating its 100th anniversary in 2006.