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.

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

SOURCE Great Lakes Aviation, Ltd.