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Great Lakes Aviation, Ltd. Reports August 2010 Traffic

CHEYENNE, Wyo., Sept. 7 /PRNewswire/ -- Great Lakes Aviation, Ltd. (OTC Bulletin Board: GLUX) today announced preliminary passenger traffic results for the month of August 2010.

AUGUST 2010 AND YEAR TO DATE STATISTICS
	Aug-10	Aug-09	Change
Passengers Enplaned	46,764	43,385	7.8%
Revenue Passenger Miles (000)	13,817	11,864	16.5%
Available Seat Miles (000)	33,682	35,111	(4.1)%
Load Factor	41.0%	33.8%	7.2 pts
RASM (cents)	33.12	29.75	11.3%


	YTD 2010	YTD 2009	Change
Passengers Enplaned	324,042	318,984	1.6%
Revenue Passenger Miles (000)	95,241	87,827	8.4%
Available Seat Miles (000)	254,042	269,451	(5.7)%
Load Factor	37.5%	32.6%	4.9 pts
RASM (cents)	31.50	28.94	8.8%

Great Lakes is providing scheduled passenger service at 59 airports in fifteen states with a fleet of Embraer EMB-120 Brasilias and Raytheon/Beech 1900D regional airliners. Additional information is available at http://www.flygreatlakes.com/ including a current route map at http://www.flygreatlakes.com/route_map/route_map.htm.

All scheduled flights are operated under the Great Lakes Airlines marketing identity in conjunction with code-share agreements with United Airlines and/or Frontier Airlines at our Albuquerque, Billings, Denver, Las Vegas, Milwaukee, Phoenix, Kansas City, MO and Ontario, CA hubs.