JAMDAT Mobile Chairman and CEO Mitch Lasky to Keynote at the Mobile En

    Business Editors/Telecommunications Writers
    CTIA Wireless 2005


    LOS ANGELES--(BUSINESS WIRE)--Jan. 14, 2005--Global wireless entertainment publisher JAMDAT Mobile Inc. (NASDAQ:JMDT) announced today that Mitch Lasky, JAMDAT Mobile's Chairman and CEO, will give the keynote address at the Mobile Entertainment Summit at CTIA Wireless 2005. The Mobile Entertainment Summit will be held on March 13, 2005 and is a special forum presented at the CTIA Conference in New Orleans.
    In the presentation, Lasky will discuss JAMDAT and the future of mobile gaming.

    About JAMDAT Mobile Inc.

    JAMDAT Mobile Inc. (NASDAQ:JMDT) 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, Lemonade Tycoon(TM), Bejeweled, The Lord of the Rings(R), Tony Hawk's(R) Underground and Scrabble(R). JAMDAT distributes its applications through wireless carriers, including Boost Mobile, China Mobile, Cingular Wireless, 02 (UK), Nextel, NTT DoCoMo, Orange, Sprint, Telefonica Moviles, T-Mobile, Verizon Wireless, Virgin Mobile, Vivo and Vodafone. 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 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. All other trademarks are the property of their respective owners.

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CONTACT: for JAMDAT Mobile Inc. Dena Cook, 310-566-2283 dena.cook@zenogroup.com

KEYWORD: CALIFORNIA INDUSTRY KEYWORD: ADVERTISING/MARKETING COMPUTERS/ELECTRONICS ELECTRONIC GAMES/MULTIMEDIA TELECOMMUNICATIONS NETWORKING TRADESHOW PRODUCT SOURCE: JAMDAT Mobile Inc.

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