AT Atlantic Power Corporation

Alltel (NYSE: AT) has agreed to purchase First Cellular of Southern Illinois, a locally owned wireless provider based in Mt. Vernon, Ill. First Cellular covers a population of 485,000 in 24 Illinois counties and its network includes major transportation corridors connecting population centers in St. Louis, Chicago, Indianapolis and Evansville, Ind., and Louisville, Ky.. With this all-cash transaction, Alltel will add wireless operations that complement its growing presence in the Midwest. Alltel is owner and operator of the nation's largest wireless network and has more than 10 million wireless customers. Alltel, NYSE: AT www.alltel.com