Alliance Companies: Ameren Services Company on behalf of: Union Electric Company, Central Illinois Public Service Company (not consolidated); American Electric Power Service Corporation on behalf of: Appalachian Power Company, Columbus Southern Power Company, Indiana Michigan Power Company, Kentucky Power Company, Kingsport Power Company, Ohio Power Company; Wheeling Power Company; Consumers Energy Company and Michigan Electric Transmission Company; Exelon Corporation on behalf of: Commonwealth

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Alliance Companies: Ameren Services Company on behalf of: Union Electric Company, Central Illinois Public Service Company (not consolidated); American Electric Power Service Corporation on behalf of: Appalachian Power Company, Columbus Southern Power Company, Indiana Michigan Power Company, Kentucky Power Company, Kingsport Power Company, Ohio Power Company; Wheeling Power Company; Consumers Energy Company and Michigan Electric Transmission Company; Exelon Corporation on behalf of: Commonwealth Edison Company, Commonwealth Edison Company of Indiana, Inc.; FirstEnergy Corp. on behalf of: American Transmission Systems, Inc., The Cleveland Electric Illuminating Company, Ohio Edison Company, Pennsylvania Power Company, The Toledo Edison Company; Virginia Electric and Power Company, Illinois Power Company; Northern Indiana Public Service Company; The Dayton Power and Light Company; Notice of Filing