ANCHORAGE, Alaska, May 5, 2005 (BUSINESS WIRE) - Alaska Communications Systems Group, Inc. ("ACS") (NASDAQ: ALSK) today announced that Liane Pelletier, ACS president and chief executive officer, will be presenting at the CIBC World Markets Annual Communications & Technology Conference on Tuesday, May 10th, 2005 at 3:40 p.m. Eastern Time at the Grand Hyatt New York Hotel located at Park Avenue and Grand Central (42nd Street) in New York City.

A live webcast of the presentation will be accessible from the "Investor Relations" section of the company's website (www.alsk.com). The webcast will be archived for a period of 30 days.

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.

Contacts: ACS Investors:
Kirsten Chapman / David Barnard, CFA
Lippert/Heilshorn & Associates
Phone: 415-433-3777
Email: david@lhai-sf.com

Alaska Communications Systems:
Mary Ann Pease
VP Corporate Communications
Phone: 907-297-3000
Email:mpease@acsalaska.com