JAMDAT Mobile Announces Expanded Availability of JAMDAT Sports NBA 2005

JAMDAT MOBILE ANNOUNCES EXPANDED
AVAILABILITY OF "JAMDAT SPORTS NBA 2005"

LOS ANGELES – (February 23, 2005) – Global
wireless entertainment publisher JAMDAT Mobile Inc. (NASDAQ: JMDT) announced
today the extended availability of "JAMDAT SPORTS NBA 2005", a fast-paced
wireless game featuring official NBA teams and players. "JAMDAT SPORTS NBA 2005"
is now available through multiple wireless carriers in the U.S. "JAMDAT SPORTS
NBA 2005" allows players to experience the excitement of NBA basketball with
full court, two-on-two competition. The game features the top players from the
2005 rosters of all 30 NBA teams. Players shoot, steal, drive to the hoop and
dunk their way to victory. Unstoppable alley-oops, blocked shots and
three-pointers provide fans with exhilarating game play. Users can opt for a
quick game or a full season of action that includes playoffs and a
winner-take-all championship.

"JAMDAT SPORTS NBA 2005" is one of the latest
additions to JAMDAT’s line of NBA basketball titles that includes "JAMDAT SPORTS
NBA Three-Point Shootout" and "JAMDAT SPORTS NBA 2004."

"’JAMDAT SPORTS NBA 2005′ allows users to
experience the thrill of NBA action right on their mobile phones," said Mitch
Lasky, Chairman and CEO of JAMDAT Mobile Inc. "By offering ‘JAMDAT SPORTS NBA
2005’ through wireless carriers across the country, great content is available
to the widest possible consumer base."

Game availability depends on wireless carrier
and individual phone model. For specific information, JAMDAT’s Game Finder is
available at

www.jamdat.com
.

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", "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 around the world. For more information, please visit


www.jamdat.com
.

Safe Harbor Statement – JAMDAT Mobile Inc.

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(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.