FOR IMMEDIATE RELEASE Contact: Dave Thomas, VP Marketing and Planning

       (307) 432-7000

Great Lakes Airlines Introduces Natalie Edwards as the new Williston, N.D. Station Manager 

CHEYENNE, Wyo., June 3, 2004 � Great Lakes Aviation, Ltd. (OTC Bulletin Board: GLUX.OB � news) today announced the promotion of Natalie Edwards to Station Manager at the Williston/Sloulin Field Airport, where she will be responsible for customer service and ramp operations.

Natalie served most recently as a Flight Attendant for the company and worked for Big Sky before coming to work for GLA. She brings outstanding experience with her to the new position.

�We are pleased to announce Natalie as our local representative in Williston, North Dakota�, said Norma Courtney, VP of Customer Service of Great Lakes. �We have confidence in her abilities and believe she will handle her new responsibilities well.�

Great Lakes is providing scheduled passenger service at 37 airports in 10 states with a fleet of Embraer EMB-120 Brasilia and Raytheon/Beech 1900D Regional Airliners.  A total of 174 weekday flights are scheduled at three hubs, with 164 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