AT Atlantic Power Corporation

Alltel (NYSE: AT) will hold a conference call at 7:30 a.m. CDT on Thursday, Aug. 4, 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 10:30 a.m. CDT on Aug. 4 and ending at midnight CDT on Aug. 9. The replay can be accessed by calling 800-642-1687, passcode 7845159. 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 10:30 a.m. CDT on Aug. 4. Alltel is a customer-focused communications company with more than 13 million customers in 27 states and $8 billion in annual revenues.