JAMDAT Mobile's TETRIS Reaches Double Platinum Status with More Than

JAMDAT Mobile's TETRIS Reaches Double Platinum Status with More Than Two Million Sprint Downloads

    Business Editors/Entertainment Editors/High-Tech Writers
    E3Expo 2005

    LOS ANGELES--(BUSINESS WIRE)--May 17, 2005--

TETRIS(R) Scores High with Sprint Customers
    Global wireless entertainment publisher JAMDAT Mobile Inc. (NASDAQ: JMDT) announced today that Tetris has been awarded double platinum status by Sprint (NYSE: FON, PCS), with more than two million downloads on Sprint PCS Vision phones.
    One of the most widely played video games of all time, Tetris is a simple, highly addictive, real-time puzzle game. Players attempt to manipulate block-like pieces called "Tetriminos" as they drop into a well. As the Tetriminos fall, players must attempt to neatly arrange them into a horizontal row. When the row is complete, the row is removed from the well.
    "It is a tremendous honor to be acknowledged by the people who play our games, and we are thrilled that Tetris is the only application ever to achieve Sprint's coveted double platinum status," said Mitch Lasky, Chairman and CEO of JAMDAT Mobile Inc. "Sprint has been an outstanding partner in helping us achieve our success."
    "Sprint is pleased to recognize JAMDAT for helping drive the popularity of mobile gaming with great games like Tetris," said Jason Ford, general manager of games - Sprint. "We look forward to working with all our game partners to achieve the same level of success and continue the phenomenal growth and loyalty we've built since Sprint launched its first game in August 2002."

    About JAMDAT Mobile

    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, Tetris(R), Lemonade Tycoon(TM), Downtown Texas Hold 'Em, 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, 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 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.

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

KEYWORD: CALIFORNIA TRACK INDUSTRY KEYWORD: ENTERTAINMENT ELECTRONIC GAMES/MULTIMEDIA TELECOMMUNICATIONS TRADESHOW PRODUCT SOURCE: JAMDAT Mobile Inc.

Copyright Business Wire 2005