JAMDAT Mobile Reaches 20 Million BREW® Downloads; Company Achieves More Than One Million BREW Downloads Per Month

Business Wire, Sept 26, 2005

LOS ANGELES -- Global wireless entertainment publisher JAMDAT Mobile Inc. (NASDAQ:JMDT) today announced that it has reached 20 million BREW downloads worldwide since March 2002. JAMDAT is best known for their popular gaming titles, such as JAMDAT Bowling, Tetris and Downtown Texas Hold 'Em. The company is currently achieving more than one million BREW downloads per month. JAMDAT will be demonstrating its wireless gaming offerings developed for QUALCOMM's BREW solution at Booth #439 at CTIA Wireless I.T. & Entertainment 2005, being held September 27-29 in San Francisco.

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

"The BREW solution allows global game publishers like JAMDAT to focus on what they do best -- bringing fun and entertaining wireless content into the hands of mobile consumers," said Mike Yuen, director of the Gaming Group for QUALCOMM Internet Services. "This significant milestone is indicative of the value that the BREW solution brings to leading publishers and developers like JAMDAT."

About JAMDAT Mobile

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.

Safe Harbor Statement -- JAMDAT Mobile Inc.

This press release may include forward-looking statements within the 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 and the demand for its products. Factors that could cause JAMDAT's actual results to differ materially from these forward-looking statements include its ability to integrate the acquisition of Blue Lava Wireless, anticipated growth in the handset market, its ability to effectively market and sell products in diverse market segments, its reliance on a limited number of products and third-party vendors and distributors, its ability to expand studio operations, increases in fulfillment costs, disruptions to information technology systems, unpredictable events and circumstances relating to international suppliers, increased competition, government regulatory action and general economic conditions. Please refer to JAMDAT's reports and filings with the Securities and Exchange Commission for a further discussion of these risks and uncertainties. Readers are cautioned not to place undue reliance on forward-looking statements, which speak only as of the date they are made. JAMDAT undertakes no obligation to update publicly any forward-looking statements to reflect new information, events or circumstances after the date they were made or to reflect the occurrence of unanticipated events.

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

QUALCOMM and BREW are registered trademarks of QUALCOMM Incorporated. All other trademarks are the property of their respective owners.