JAMDAT Mobile Appoints Bob Aniello Vice President of Marketing

Global wireless entertainment publisher JAMDAT Mobile
Inc. (NASDAQ:JMDT) announced today the appointment of Bob Aniello as
Vice President of Marketing. Aniello will oversee brand, product and
channel marketing functions.
   Aniello has more than 15 years' experience building global brands.
Prior to joining JAMDAT, he spent five years at Mattel where he held
several key positions, including Vice President of Marketing for the
Hot Wheels brand, as well as Director of Mattel Interactive,
overseeing the business of mobile content, video games and new
interactive platforms. Before Mattel, Aniello served as Vice President
of Marketing for Electronic Arts where he was responsible for the
launch of several key franchises on Playstation 2 including SSX, Need
For Speed and NBA LIVE titles. Earlier in his career, Aniello held the
position of Senior Director of Marketing for The Topps Company, makers
of Bazooka bubble gun and sports trading cards.
   "Bob is a consumer marketing expert who has a track record of
successfully building global brands," said Minard Hamilton, Executive
Vice President of Sales and Marketing, JAMDAT Mobile Inc. "Bob is an
outstanding addition to the JAMDAT management team."
   "It is an exciting opportunity to work with an exceptional
management team," said Aniello. "Mobile gaming continues to grow and
JAMDAT's leadership position in this space presents enormous
opportunities for the future."

   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(R), 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.