Great Lakes Aviation, Ltd. Reports July 2009 Traffic

CHEYENNE, Wyo., Aug. 7 /PRNewswire-FirstCall/ — Great Lakes Aviation, Ltd. (OTC Bulletin Board: GLUX) today announced preliminary passenger traffic results for the month of July 2009.

                      JULY 2009 AND YEAR TO DATE STATISTICS

                                    Jul-09          Jul-08         Change
    Passengers Enplaned             46,006          52,639         (12.6)%
    Revenue Passenger Miles (000)   12,643          14,007          (9.7)%
    Available Seat Miles (000)      35,580          32,272          10.3%
    Load Factor                      35.53%          43.40%         (7.9) pts
    RASM (cents)                     30.51           31.94          (4.5)%

                                   YTD 2009        YTD 2008       Change
    Passengers Enplaned             275,599        336,837        (18.2)%
    Revenue Passenger Miles (000)    75,963         90,516        (16.1)%
    Available Seat Miles (000)      234,340        200,260         17.0%
    Load Factor                       32.42%         45.20%       (12.8) pts
    RASM (cents)                      28.82          31.27         (7.8)%

Great Lakes is providing scheduled passenger service at 65 airports in seventeen 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.pdf.

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, Phoenix, Kansas City, MO and Ontario, CA hubs. The company also operates hubs in Milwaukee and St. Louis.

    Contact:  Michael Matthews, VP Finance/CFO
              (307) 432-7000

SOURCE Great Lakes Aviation, Ltd.