AT Atlantic Power Corporation

In celebration of the first year of offering its innovative and exclusive �My Circle� calling feature, Alltel Wireless, America�s largest network, will hold special anniversary events at Alltel retail stores in the Oklahoma City, Little Rock, Cleveland, and Raleigh markets to thank customers for choosing Alltel and adopting �My Circle.� Each event will feature a scheduled appearance by the �My Circle� Prize Squad � made up of Alltel�s advertising spokesperson �Chad� and celebrity personalities, including: Celebrated former University of Oklahoma football coach Barry Switzer in Oklahoma City; Country music superstar and Nashville Star co-host Cowboy Troy, Arkansas pro football draft prospect Jamaal Anderson and former All-Pro tight end and Arkansas football radio analyst Keith Jackson in Little Rock; Cleveland Cavaliers legend and national TV racing analyst Brad Daugherty in Cleveland; and Pro basketball star Raymond Felton in Raleigh. Alltel Wireless customers who attend the events will enjoy complementary food and drinks, an opportunity to visit with the �My Circle� Prize Squad and the chance to win a variety of great prizes. In addition, one lucky winner in each city will walk away with the �My Circle� anniversary grand prize � $5,000 and a VIP limousine ride to deliver $1,000 to each member of the winner�s �Circle.� �When we introduced �My Circle� last April, we knew it would set the standard in offering customers choice and control over their wireless experience,� said Frank O�Mara, executive vice president of sales and marketing for Alltel. �Though some competitors have responded with similar features, I�m proud to say that after one year, no one has come close to matching the freedom and flexibility of �My Circle.� These anniversary events are just a small way to thank our valued customers for selecting Alltel as their wireless provider and for making �My Circle� a success.� The following is the schedule of �My Circle� anniversary celebration events: Oklahoma City Cleveland Tues., April 24 - Tues., May 1 - 11:00 - 1:00 p.m. 11:00 - 1:00 p.m. 5401 North Pennsylvania Ave. 4608 Great Northern Blvd. Oklahoma City, Okla., 73112 North Olmsted, Ohio, 44070 Little Rock Raleigh Thurs., April 26 - Thurs., May 3 - 11:00 - 1:00 p.m. 11:00 - 1:00 p.m. Lakewood Village Shopping Center Crossroads Shopping Center 2935 Lakewood Village Dr. 2478 Walnut St. North Little Rock, Ark., 72116 Cary, N.C., 27511 Offered exclusively by Alltel Wireless, �My Circle� gives customers the freedom to choose who they call for free � any 10 numbers, any network. Alltel Wireless also offers features including Anytime Plan Changes, giving customers the flexibility to change their rate plan any time, without extending their contract; and Celltop, Alltel�s award-winning technology that offers customers an easier way to access, manage and organize a wide range of information already available on their phones. New and existing customers can find out more about �My Circle� by visiting their local Alltel Wireless retail store or by logging onto www.alltelcircle.com. About Alltel Alltel (NYSE: AT) is the owner and operator of the nation's largest wireless network and nearly 12 million wireless customers. For more information about Alltel, please visit http://www.alltel.com.