FOR IMMEDIATE RELEASE           Contact: Monica Taylor, Marketing and Sales Manager

     (307) 432-7000

Great Lakes Airlines Announces New Service in New Mexico

CHEYENNE, Wyo., March 16, 2005 � Great Lakes Aviation, Ltd. (OTC Bulletin Board: GLUX.OB � news) today announced that it will inaugurate service from Albuquerque International Airport to the communities of Clovis and Silver City, NM. The new service will commence on Sunday, April 3, 2005.

�Great Lakes is looking forward to expanding our New Mexico service to include Albuquerque, Clovis and Silver City�, said Monica Taylor Marketing and Sales Manager for Great Lakes. "Our new service to these communities will allow for more convenient connections to �low fare carriers� that are making Albuquerque a hub�.

Following is the Clovis flight schedule effective April 3, 2005:

Clovis to Albuquerque:

Flight Departs Arrives    Operates 

5070     6:00a     7:00a   Monday-Saturday

5048   12:00p    1:00p    Sunday-Friday

Albuquerque to Clovis:

Flight   Departs Arrives    Operates

5047   10:30a   11:30a    Monday-Saturday

5079     9:00p   10:00p    Sunday-Friday

Following is the Silver City flight schedule effective April 3, 2005:

Silver City to Albuquerque:

Flight   Departs Arrives    Operates

5046     6:00a       6:50a   Monday-Saturday

5050     3:10p     4:00p   Sunday-Friday

Albuquerque to Silver City:

Flight   Departs Arrives    Operates

5049     2:00p    2:50p    Sunday-Friday

5051     9:10p   10:00p    Sunday-Friday

As of April 3, 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.  A total of 162 weekday flights are scheduled at two hubs, with 156 flights at Denver and 6 flights into Phoenix with 4 flights to Albuquerque.  All scheduled flights are operated under the Great Lakes Airlines marketing identity.

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