JAMDAT Mobile Reaches 20 Million BREW(R) Downloads; Company Achieves More Than One Million BREW Downloads Per Month

Global wireless entertainment publisher JAMDAT MobileInc. (NASDAQ:JMDT) today announced that it has reached 20 million BREWdownloads worldwide since March 2002. JAMDAT is best known for theirpopular gaming titles, such as JAMDAT Bowling, Tetris and DowntownTexas Hold 'Em. The company is currently achieving more than onemillion BREW downloads per month. JAMDAT will be demonstrating itswireless gaming offerings developed for QUALCOMM's BREW solution atBooth #439 at CTIA Wireless I.T. & Entertainment 2005, being heldSeptember 27-29 in San Francisco.

"QUALCOMM's BREW solution has enabled us to develop a portfolio ofworld-class mobile games," said Mitch Lasky, chairman and CEO ofJAMDAT Mobile Inc. "The 20 million BREW download figure is a testamentto the popularity of the applications, as well as the high level ofconsumer satisfaction with our roster of top-notch games created forBREW's feature-rich environment."

"The BREW solution allows global game publishers like JAMDAT tofocus on what they do best -- bringing fun and entertaining wirelesscontent into the hands of mobile consumers," said Mike Yuen, directorof the Gaming Group for QUALCOMM Internet Services. "This significantmilestone is indicative of the value that the BREW solution brings toleading publishers and developers like JAMDAT."

About JAMDAT Mobile

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

Safe Harbor Statement -- JAMDAT Mobile Inc.

This press release may include forward-looking statements withinthe meaning of the Private Securities Litigation Reform Act of 1995,including statements related to anticipated revenues, expenses,earnings, operating cash flows, the outlook for JAMDAT's markets andthe demand for its products. Factors that could cause JAMDAT's actualresults to differ materially from these forward-looking statementsinclude its ability to integrate the acquisition of Blue LavaWireless, anticipated growth in the handset market, its ability toeffectively market and sell products in diverse market segments, itsreliance on a limited number of products and third-party vendors anddistributors, its ability to expand studio operations, increases infulfillment costs, disruptions to information technology systems,unpredictable events and circumstances relating to internationalsuppliers, increased competition, government regulatory action andgeneral economic conditions. Please refer to JAMDAT's reports andfilings with the Securities and Exchange Commission for a furtherdiscussion of these risks and uncertainties. Readers are cautioned notto place undue reliance on forward-looking statements, which speakonly as of the date they are made. JAMDAT undertakes no obligation toupdate publicly any forward-looking statements to reflect newinformation, events or circumstances after the date they were made orto reflect the occurrence of unanticipated events.

(C)2005 JAMDAT Mobile Inc. JAMDAT, JAMDAT Mobile and the bubbleslogo are trademarks of JAMDAT Mobile Inc.

QUALCOMM and BREW are registered trademarks of QUALCOMMIncorporated. All other trademarks are the property of theirrespective owners.