Exhibit 99.1

Jack in the Box Inc. Announces Final Results of its Modified ``Dutch Auction''
Tender Offer

     SAN DIEGO--(BUSINESS WIRE)--Dec. 21, 2006--Jack in the Box Inc. (NYSE: JBX)
today announced the final results of its modified "Dutch Auction" tender offer,
which expired at 12:00 midnight, EST, on December 19, 2006.

     The company has accepted for purchase 2,336,023 shares of its common stock
at a purchase price of $61.00 per share, for a total cost of $142.5 million.

     Stockholders who tendered shares of common stock in the tender offer at or
below the purchase price will have all of their tendered shares purchased,
subject to certain limited exceptions.

     Mellon Investor Services LLC, the depositary for the tender offer, will
promptly issue payment for the shares validly tendered and accepted for purchase
under the tender offer.

     The number of shares the company accepted for purchase in the tender offer
represents approximately 6.5 percent of its currently outstanding common stock.

     The company plans to continue purchasing shares of its common stock in the
open market during 2007, subject to relevant market conditions.

     The joint dealer managers for the tender offer are Wachovia Securities and
Morgan Stanley; the information agent is D.F. King & Co., Inc.; and the
depositary is Mellon Investor Services LLC. All inquiries about the tender offer
should be directed to the information agent at (888) 628-8208. Banks and brokers
may call (212) 269-5550.

     About Jack in the Box Inc.

     Jack in the Box Inc. (NYSE: JBX), based in San Diego, is a restaurant
company that operates and franchises Jack in the Box(R) restaurants, one of the
nation's largest hamburger chains, with more than 2,000 restaurants in 17
states. The company also operates a proprietary chain of convenience stores
called Quick Stuff(R), with more than 50 locations, each built adjacent to a
full-size Jack in the Box restaurant and including a major-brand fuel station.
Additionally, through a wholly owned subsidiary, the company operates and
franchises Qdoba Mexican Grill(R), an emerging leader in fast-casual dining,
with more than 300 restaurants in 40 states. For more information, visit
www.jackinthebox.com.

     Safe harbor statement

     Except for the historical information contained herein, the matters
discussed in this press release are forward-looking statements that are subject
to substantial risks and uncertainties. These statements, which include the
company's guidance and related assumptions, may be identified by the use of
words such as "assumption," "believes," "estimates," "expects," "goals,"
"guidance," "plans," "will," and other words of similar meaning.

     The following are some of the factors that could cause the company's actual
estimates and its goals to differ materially from those expressed in the
forward-looking statements: delays in the opening of new or remodeled
restaurants; loss of sales due to restaurant closures caused by adverse weather
or other events in the regions in which the restaurants are located; higher than
anticipated sales and earnings due to unpredicted levels of success of new
products; changes in laws, regulations, accounting rules and interpretations,
and tax rules and interpretations; and adverse or positive economic and other
local, national and international conditions or events that affect consumer
spending. Costs may exceed projections, including the cost of food, packaging,
labor, pending or future legal claims, new restaurant construction and remodels,
and utilities. Additional factors that may adversely affect results include the
effect of any widespread negative publicity regarding the company, the
foodservice industry in general or particular foods. Further information about
factors that could affect the company's financial results is included in the
company's annual report on Form 10-K and its periodic reports on Form 10-Q filed
with the Securities and Exchange Commission. The information in this press
release is as of December 21, 2006. Except as required by law, the company
undertakes no obligation to update or revise any forward-looking statement
whether as the result of new information or otherwise.

     Tender offer statement

     This press release is for informational purposes only and is neither an
offer to buy nor the solicitation of an offer to sell, any shares.


     CONTACT: Jack in the Box Inc.
              Brian Luscomb, 858-571-2229
              Division Vice President, Corporate Communications
              brian.luscomb@jackinthebox.com
              www.jackinthebox.com