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ALASKA COMMUNICATIONS SYSTEMS TO REPORT FIRST QUARTER FINANCIAL RESULTS ON MAY 2, 2005

ANCHORAGE, Alaska, April 19, 2005 (BUSINESS WIRE) - Alaska Communications Systems Group, Inc. ("ACS") (NASDAQ:ALSK), today announced it will release financial results for the first quarter ended March 31, 2005 shortly after the close of market on Monday, May 2, 2005. The company will host a conference call and live webcast at 5:00 p.m. Eastern Time to discuss the results.

For parties in the United States and Canada, call 800-218-0204 to access the earnings call. International parties can access the call at 303-262-2075.

Additionally, ACS will offer a live webcast of the conference call, accessible from the "Investor Relations" section of the company's website (www.alsk.com). The webcast will be archived for a period of 90 days. A telephonic replay of the conference call will also be available 2 hours after the call and will run until Friday, May 6, 2005 at midnight ET. To hear the replay, parties in the United States and Canada should call 800-405-2236 and enter pass code 11028616. International parties should call 303-590-3000 and enter pass code 11028616.

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.

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