AT Atlantic Power Corporation

Alltel (NYSE: AT) will hold a conference call at 4 p.m. CDT on Aug. 2 to announce the company's second-quarter earnings results. Interested parties can access the call by dialing 877-493-2983 five minutes prior to the start time. A replay of the call will be available beginning at 6 p.m. CDT on Aug. 2 and ending at midnight CDT on Aug. 9. The replay can be accessed by calling 800-642-1687, passcode 2494778. The conference call will be streamed live over the company's Web site at www.alltel.com/investors. Financial, statistical and other information related to the call also will be posted on the investor relations section of the company's Web site. A replay of the Web cast will be available on the Web site beginning at 6 p.m. CDT on Aug. 2. Alltel is a customer-focused communications company with more than 15 million customers in 37 states and nearly $10 billion in annual revenues. Alltel, NYSE: AT www.alltel.com