JAMDAT Mobile to Present at Upcoming Investor Conferences

Global wireless entertainment publisher JAMDAT Mobile
Inc. (NASDAQ:JMDT) announced today that Mitch Lasky, the Company's
Chairman and CEO, and Michael Marchetti, the Company's Chief Financial
Officer, will present at three upcoming investor conferences:

   --  The Kaufman Bros. 8th Annual Investor Conference at The W
        Hotel in New York City, on Thursday, September 8, 2005 at 3:00
        p.m. (Eastern).

   --  The ThinkEquity Partners 3rd Annual Growth Conference at The
        Ritz Carlton in San Francisco, CA on Tuesday, September 13,
        2005 at 11:30 a.m. (Pacific)

   --  The Merriman Curhan Ford 2nd Annual Investor Summit at The
        Mark Hopkins InterContinental Hotel in San Francisco, CA on
        Monday, September 19, 2005 at 3:30 p.m. (Pacific)

   The audio portion of the presentations at each of the conferences
will be webcast and available on the investor relations section of
JAMDAT Mobile's website at www.jamdat.com.

   About JAMDAT Mobile Inc.

   JAMDAT Mobile Inc. is a global publisher of wireless entertainment
applications, including games, ring tones, images and other content.
JAMDAT's application portfolio is based on original and licensed
intellectual properties and includes JAMDAT Bowling, Tetris(R),
Downtown Texas Hold 'Em, Lemonade Tycoon(R), Bejeweled, The Lord of
the Rings(R), Tony Hawk's(R) Underground and Scrabble(R). JAMDAT
distributes its applications through wireless carriers around the
world. For more information, please visit www.jamdat.com.