FOR IMMEDIATE RELEASE Contact: Kurt Franklin, VP of Maintenance

       (307) 432-7000

Great Lakes Airlines Introduces New Director of Quality Control

CHEYENNE, Wyo., March 14, 2005 � Great Lakes Aviation, Ltd. (OTC Bulletin Board: GLUX.OB � news) today announced the appointment of Jim Fohl to the Director of Quality Control/Chief Inspector position.

�Jim brings a wealth of knowledge and experience to this position and I am excited to bring him into this role.  His past and present experience made him a perfect fit for this FAA required position.   In just a few months, he has been able to make some very good strides within the maintenance department and these advances will continue in his new position," said Kurt Franklin, VP of Maintenance.

As of April 3, 2005, Great Lakes will be providing scheduled passenger service at 36 airports in ten states with a fleet of Embraer EMB-120 Brasilia and Raytheon/Beech 1900D Regional Airliners. All scheduled flights operated under the Great Lakes Airlines marketing identity in conjunction with code-share agreements with Frontier Airlines and United Airlines at their Denver hub.

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