FOR IMMEDIATE RELEASE        Contact:    Dave Thomas, VP Marketing and Planning
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Great Lakes Airlines Introduces New Station Manager at Cheyenne
Regional Airport

CHEYENNE, Wyo., November 30, 2004 � Great Lakes Aviation, Ltd. (OTC Bulletin Board: GLUX.OB � news) today announced the hiring of Todd Martin as Station Manager at the Cheyenne Regional Airport, where he is responsible for customer service and ramp operations.

Todd has been in the travel industry for over 15 years, working as a travel agent and most recently with American Trans Air as a Lead Agent at the Denver International Airport.

�We are pleased to announce Todd as our local representative in Cheyenne�, said Norma Courtney, Vice President of Customer Service for Great Lakes. �He will be a great asset to the Company and we are confident he will handle his new responsibilities with ease.�

Great Lakes is providing scheduled passenger service at 31 airports in nine states with a fleet of Embraer EMB-120 Brasilia and Raytheon/Beech 1900D Regional Airliners.  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