Alaska Communications Systems Expands CDMA Network in Petersburg.

ANCHORAGE, Alaska -- Alaska Communications Systems Group, Inc. ("ACS") (Nasdaq:ALSK), Alaska's leading integrated communications provider, today announced further expansion of its CDMA mobile wireless voice and data network in Petersburg.

"ACS is proud to offer the

best mobile wireless coverage throughout Southeast Alaska," said senior vice president of network and information technology, Anand Vadapalli. "Our second CDMA site in Petersburg provides enhanced voice and data coverage along the Mitkof Highway and throughout the Wrangell Narrows."

Through ACS' CDMA network, Petersburg residents and visitors will also have access to mobile wireless Internet connectivity. These mobile wireless data services are available on ACS cell phones, Pocket PCs, and laptop cards. All of these products are available at ACS' Petersburg retail outlet inside Alaska Power and Telephone Company (AP&T), located at 300 North First Street.

About AP&T

AP&T provides a broad range of communication services to communities located above the Arctic Circle, deep in the Wrangell Mountains, and throughout the islands of Southeast Alaska. These include: Local and Long Distance calling, Internet, Wireless DSL, Broadband Wi-Fi, Paging, Satellite Phones, Two-Way Mobile Radios, Computer Networking and related Data Services.

About Alaska Communications Systems

ACS is the leading integrated communications provider in Alaska, offering local telephone service, wireless, long distance, data, and Internet services to business and residential customers throughout Alaska. More information can be found on the company's website at www.acsalaska.com or at its investor site at www.alsk.com.