X0202 4 2006-04-03 0 0001351548 Frontier Airlines Holdings, Inc. FRNT 0001350462 Collins Christopher L FRONTIER AIRLINES, INC. 7001 TOWER ROAD DENVER CO 80249 0 1 0 0 Senior Vice President Stock Appreciation Rights 7.42 2006-04-03 4 A 0 20607 0 A 2007-04-03 2016-04-02 Common Stock 1 20607 D Restricted Stock Units 0 2006-04-03 4 A 0 6402 0 A 2011-04-03 2050-01-01 Common Stock 6402 6402 D The Stock Appreciation Rights become exercisable in five equal installments, with the first installment becoming exercisable on the first anniversary of the grant date, and each subsequent installment becoming exercisable on each of the next four anniversaries of the grant date. The actual number of shares of common stock that will be issued at the time of exercise will be based on the appreciation of the common stock from the strike price to the market price at the time of exercise and is unknown at this time. Once exercisable, there is no expiration date for the Restricted Stock Units. The date referenced has no relevance and was inserted due to Edgar system requirements. David Sislowski, Attorney in Fact 2006-04-05