CHEYENNE, Wyo., Nov. 7 /PRNewswire-FirstCall/ -- Great Lakes Aviation, Ltd. (OTC:GLUX) (BULLETIN BOARD: GLUX) today announced preliminary passenger traffic results for the month of October 2008. Scheduled service generated 13,742,000 revenue passenger miles (RPM's), an 8.4 percent decrease from the same month last year. Available seat miles (ASM's) increased 10.1 percent to 32,970,000. As a result, load factor decreased 8.5 points to 41.68 percent. Passengers carried decreased 9.3 percent to 49,290 when compared to October 2007. Preliminary revenue per available seat mile (RASM) increased 8.0 percent from 29.91 cents to 32.29 cents. For the ten months ending October 31, 2008 compared to the same ten month period in 2007, revenue passenger miles (RPM's) decreased 1.0 percent to 130,833,000 and available seat miles (ASM's) increased 12.1 percent to 297,924,000, resulting in a load factor of 43.91 percent for the year 2008 effecting a decrease in load factor of 5.8 points compared to the same ten month period in 2007. The company carried 484,987 revenue passengers for the ten month period ending October 31, 2008, which was relatively unchanged from the prior year. Preliminary revenue per available seat mile (RASM) increased 5.2 percent from 29.78 cents to 31.33 cents on a year-over-year basis. OCTOBER 2008 AND YEAR TO DATE STATISTICS Oct-08 Oct-07 Change Passengers Enplaned 49,290 54,344 (9.3)% Revenue Passenger Miles (000) 13,742 15,009 (8.4)% Available Seat Miles (000) 32,970 29,934 10.1% Load Factor 41.68% 50.14% (8.5) pts RASM (cents) 32.29 29.91 8.0% YTD 2008 YTD 2007 Change Passengers Enplaned 484,987 485,048 0.0% Revenue Passenger Miles (000) 130,833 132,148 (1.0)% Available Seat Miles (000) 297,924 265,670 12.1% Load Factor 43.91% 49.74% (5.8) pts RASM (cents) 31.33 29.78 5.2% Great Lakes is providing scheduled passenger service at 59 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.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 Denver, Phoenix, Kansas City, MO and Ontario, CA hubs. The company also operates hubs in Albuquerque, Milwaukee, and St. Louis. Contact: Michael Matthews, VP Finance/CFO (307) 432-7000 DATASOURCE: Great Lakes Aviation, Ltd. CONTACT: Michael Matthews, VP Finance|CFO of Great Lakes Aviation, Ltd., +1-307-432-7000 Web site: http://www.flygreatlakes.com/

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