Great Lakes Aviation, Ltd. Reports February 2007 Traffic

CHEYENNE, Wyo., March 9 /PRNewswire-FirstCall/ -- Great Lakes Aviation, Ltd. (OTC Bulletin Board: GLUX) today announced preliminary passenger traffic results for the month of February 2007.

Scheduled service generated 10,510,000 revenue passenger miles (RPM's), a 9.8 percent increase from the same month last year. Available seat miles (ASM's) increased 4.6 percent to 22,815,000. As a result, load factor increased 2.2 points to 46.07 percent. Passengers carried increased 7.8 percent to 39,113 when compared to February 2006. Preliminary revenue per available seat mile (RASM) increased 1.3 percent from 28.06 cents to 28.42 cents.

For the two months ending February 28, 2007 compared to the same two month period in 2006, revenue passenger miles (RPM's) increased 10.2 percent to 21,189,000 and available seat miles (ASM's) increased 2.0 percent to 47,378,000, resulting in a load factor of 44.72 percent for the year 2007 effecting an increase in load factor of 3.3 points compared to the same two month period in 2006. The company carried 79,375 revenue passengers for the two month period ending February 28, 2007, an 8.7 percent increase from the prior year. Preliminary revenue per available seat mile (RASM) increased 2.8 percent from 26.99 cents to 27.75 cents on a year-over-year basis.

                  FEBRUARY 2007 AND YEAR TO DATE STATISTICS

                                      Feb-07         Feb-06        Change
    Passengers Enplaned               39,113         36,290          7.8%
    Revenue Passenger Miles (000)     10,510          9,570          9.8%
    Available Seat Miles (000)        22,815         21,809          4.6%
    Load Factor                        46.07%         43.88%         2.2 pts
    RASM (cents)                       28.42          28.06          1.3%

                                    YTD 2007       YTD 2006        Change
    Passengers Enplaned               79,375         72,996          8.7%
    Revenue Passenger Miles (000)     21,189         19,236         10.2%
    Available Seat Miles (000)        47,378         46,445          2.0%
    Load Factor                        44.72%         41.42%         3.3 pts
    RASM (cents)                       27.75          26.99          2.8%

Great Lakes is providing scheduled passenger service at 38 airports in nine states with a fleet of Embraer EMB-120 Brasilias and Raytheon/Beech 1900D regional airliners. A total of 206 weekday flights are scheduled at three hubs, with 150 flights at Denver, 8 flights at Albuquerque, and 16 flights at Phoenix. 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 www.flygreatlakes.com

Contact: Michael Matthews, VP Finance/CFO

              (307) 432-7000