Table 5: Passenger Airline System* Fuel Costs Per Available Seat-Mile ,,,,,,,, Airline Groups Ranked by 2nd Quarter 2008 Fuel Cost Per ASM (Cents Per ASM) ,,,,,,,, (Fuel Expense Per Available Seat Mile in cents),,,,,,,, 2Q 2008 Rank,Airline Group,2nd Quarter 2003 ,2nd Quarter 2007 ,2nd Quarter 2008,Pct. Change 2003-2008,Percent Of Operating Costs for Fuel,,2nd Quarter Fuel Expense $(Millions) ,,,,,,2003.0,2008, 1,Regional,2.2,4.4,6.8,211.0,16.5,35.7,"1,016" 2,Network**,1.5,3.4,5.2,N/A,12.8,30.6,"9,141" 3,Low-Cost***,1.2,2.9,N/A,N/A,16.3,N/A,N/A ,21-Carrier Total,1.5,3.4,N/A,N/A,13.4,N/A,N/A "Source: Bureau of Transportation Statistics, Form 41; Schedule P6",,,,,,,, * System = domestic + international ,,,,,,,, ** Alaska Airlines requested confidentiality for its 2nd Quarter 2008 data. Alaska’s numbers are included in previous quarter totals.,,,,,,,, *** Allegiant Airlines requested confidentiality for its 2nd Quarter 2008 data. Allegiant’s numbers are included in previous quarter totals.,,,,,,,, ,,,,,,,,