FOR IMMEDIATE RELEASE     Contact: Chuck Howell, CEO

           (307) 432-7000

Great Lakes Airlines Introduces New Director of Planning and Revenue Management

CHEYENNE, Wyo., March 30, 2005 � Great Lakes Aviation, Ltd. (OTC Bulletin Board: GLUX.OB � news) today announced the appointment of Nick Wangler to the Director of Planning and Revenue Management position.

�Nick is a great addition to our team. We are excited to have him in this role.   His previous experience made him a perfect fit for this position. Nick has already started to bring new life to the department within our ever changing industry," said Chuck Howell, CEO of Great Lakes Airlines.

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 and United Airlines at their Denver hub.

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