AT Atlantic Power Corporation

Alltel Wireless (NYSE: AT), America's largest network, and Melodeo, Inc., the first interactive podcast community for PC and mobile phones, today launched Axcess Mobilcast service. The service enables Alltel Wireless customers to easily search and listen to thousands of podcasts on their wireless phones for a monthly subscription of $3.99. Alltel Wireless is the first company in the United States to bring this service to market. Axcess Mobilcast offers continuously updated podcast episodes and radio shows from popular sources such as NPR and CNN, as well as thousands of independent podcasts from all over the world. The programs are short in duration and cover a wide range of subjects including comedy, music, sports and politics. "As the wireless phone continues to become a media hub, Alltel Wireless is committed to providing its customers with the most entertaining, useful and innovative applications available," said Wade McGill, senior vice president of wireless product management for Alltel Wireless. "Podcasts have rapidly become a part of daily life for millions of Americans, and by partnering with Melodeo to bring Podcasts to wireless phones, our customers can now listen to their favorite programs wherever they go." Axcess Mobilcast is currently available on several popular Alltel phones. A simple interface allows listeners to browse categories or search programs with no wait time. Podcasts are streamed or downloaded and can be added to the "My Favorites" channel with one click. "We're bringing consumers the best selection of on-demand podcasts on their mobile phone," said Don Davidge, Melodeo founder and senior vice president, sales. "It's exciting to offer podcasting to millions of Americans as we move towards a seamless media experience between PC and mobile." About Alltel Alltel is owner and operator of the nation's largest wireless network and has more than 11 million wireless customers. About Melodeo, Inc. Melodeo Inc. is dedicated to bringing consumers the best selection of on-demand podcasts, radio and soon video for PC and mobile phone. Combining social networking, powerful content and access from any device, Melodeo makes it easy to keep up with the world and share music, news and views with friends. Alltel, NYSE: AT www.alltel.com Melodeo Inc. www.melodeo.com