CHEYENNE, Wyo., Dec. 7 /PRNewswire-FirstCall/ -- Great Lakes Aviation, Ltd. (OTC:GLUX) (BULLETIN BOARD: GLUX) today announced preliminary passenger traffic results for the month of November 2007. Scheduled service generated 12,871,000 revenue passenger miles (RPM's), a 13.4 percent increase from the same month last year. Available seat miles (ASM's) increased 19.5 percent to 27,153,000. As a result, load factor decreased 2.6 points to 47.4 percent. Passengers carried increased 14.6 percent to 48,528 when compared to October 2006. Preliminary revenue per available seat mile (RASM) increased 0.5 percent from 29.95 cents to 30.09 cents. For the eleven months ending November 30, 2007 compared to the same eleven month period in 2006, revenue passenger miles (RPM's) increased 18.5 percent to 145,019,000 and available seat miles (ASM's) increased 11.7 percent to 292,823,000, resulting in a load factor of 49.52 percent for the year 2007 effecting an increase in load factor of 2.9 points compared to the same eleven month period in 2006. The company carried 533,578 revenue passengers for the eleven month period ending November 30, 2007, a 14.1 percent increase from the prior year. Preliminary revenue per available seat mile (RASM) decreased from 29.92 cents to 29.80 cents on a year-over-year basis. NOVEMBER 2007 AND YEAR TO DATE STATISTICS Nov-07 Nov-06 Change Passengers Enplaned 48,528 42,340 14.6% Revenue Passenger Miles (000) 12,871 11,347 13.4% Available Seat Miles (000) 27,153 22,719 19.5% Load Factor 47.40 49.95% (2.6) pts RASM (cents) 30.09 29.95 0.5% YTD 2007 YTD 2006 Change Passengers Enplaned 533,576 467,525 14.1% Revenue Passenger Miles (000) 145,019 122,333 18.5% Available Seat Miles (000) 292,823 262,122 11.7% Load Factor 49.52% 46.67% 2.9pts RASM (cents) 29.80 29.92 (0.4%) Great Lakes is providing scheduled passenger service at 43 airports in eleven states with a fleet of Embraer EMB-120 Brasilias and Raytheon/Beech 1900D regional airliners. A total of 228 weekday flights are mostly scheduled at five hubs, with 142 flights at Denver, 10 flights at Albuquerque, 12 flights at Phoenix, 20 flights at St. Louis and 12 flights at Kansas City, MO. All scheduled flights are operated under the Great Lakes Airlines marketing identity in conjunction with code-share agreements with United Airlines and Frontier Airlines at the Denver International Airport and Phoenix Sky Harbor International Airport hubs. Additional information is available on the company web site that may be accessed at http://www.flygreatlakes.com/ 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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