Press Release

Thrifty Car Rental Joins HawaiianMiles Program, Offers Double Miles Thru Sept. 30

Contact:

Dollar Thrifty Automotive Group
Chris Payne
chris.payne@dtag.com
(918) 669-2236

Tulsa, Okla., May 15, 2006 – Thrifty Car Rental, a subsidiary of Dollar Thrifty Automotive Group, Inc. (NYSE: DTG), is lighting tiki torches and donning grass skirts over its new relationship with Hawaiian Airlines. Effective May 15, Thirfty joins the HawaiianMiles frequent flyer program, awarding members 50 miles per rental day when they rent with Thrifty.

To put a little extra sizzle in their hula, Thrifty will offer double miles (100 miles per day) to HawaiianMiles members who rent a mid-size car or larger vehicle for three days or longer during the promotional period. The promotion will take place from June 1, 2006 through Sept. 30, 2006. Qualifying rentals must be booked using PC Code HAT1, with the cars picked up between June 1, 2006 and Sept. 30, 2006. Advance reservations are required. Other restrictions may apply. The offer is valid at participating locations worldwide and may not be combined with any other offer.

About Hawaiian Airlines
Hawaiian was the nation's number one carrier for on-time service, fewest flight cancellations, and best baggage service reliability in 2005 and the first quarter of 2006, according to reports by the U.S. Department of Transportations. Now in its 77th of year of continuous service in Hawaii, Hawaiian is the state's biggest and longest-serving airline, and the second largest provider of passenger air service between Hawaii and the U.S. mainland. Hawaiian offers nonstop service to Hawaii from more U/S gateway cities than any other airline (nine), as well as service to Australia, American Samoa, and Tahiti. Hawaiian also provides approximately 100 daily jet flights among the Hawaiian Islands. Hawaiian also provides approximately 100 daily jet flights among the Hawaiian Islands. Additional information is available at HawaiianAirlines.com.

About Thrifty Car Rental
Thrifty Car Rental is a subsidiary of Dollar Thrifty Automotive Group, Inc., a Fortune 1000 Company headquartered in Tulsa, Oklahoma. Together with its corporately-owned locations and those of its franchise owners, the Thrifty Car Rental brand serves value-conscious travelers from more than 1,028 locations in 68 countries. For additional information, visit www.dtag.com or www.thrifty.com .