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Great Lakes Airlines Introduces New Pueblo Memorial Station Manager

CHEYENNE, Wyo., March 17, 2004 � Great Lakes Aviation, Ltd. (OTC Bulletin Board: GLUX.OB � news) today announced the hiring of David Twitchell as Station Manager at the Pueblo Airport, where he is responsible for customer service and ramp operations.

David served most recently as an agent for the Transportation Security Administration. He brings with him seventeen years of industry experience.

�We are pleased to announce David as our local representative in Pueblo, Colorado�, said Norma Courtney, Director of Stations and Security of Great Lakes.  �We have confidence in his abilities and believe he will handle his new responsibilities well.�

Great Lakes is providing scheduled passenger service at 39 airports in ten states with a fleet of Embraer EMB-120 Brasilia and Raytheon/Beech 1900D Regional Airliners.  A total of 186 weekday flights are scheduled at three hubs, with 176 flights at Denver, 4 flights at Minneapolis/St. Paul, and 6 flights at Phoenix. All scheduled flights are operated under the Great Lakes Airlines marketing identity in conjunction with code-share agreements with United Airlines and Frontier Airlines at their Denver hub.

Additional information is available on the company web site that may be accessed at www.greatlakesav.com

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