DYNASTY WARRIORS(r) RELEASE DATE CONFIRMED

KOEI's Martial Arts-themed Action Game to be Available at the North American Launch of the PSP(tm) (PlayStation(r) Portable) handheld entertainment system

Burlingame, CA - February 18, 2005 - KOEI, recognized worldwide as a leading brand of strategy and action games, today announced that DYNASTY WARRIORS for the PSP(tm) will be available on the first day of the handheld system's North American launch.

The martial arts-themed Tactical Action game is already a top-seller overseas. Out of the more than 20 titles currently available for the system in Japan, DYNASTY WARRIORS for PSP is the top-ranked action game and one of the top games overall based on unit sales. As a franchise KOEI's Dynasty Warriors line of video games has generated over 7 million units in sales worldwide, since the original game was released for the PlayStation game console in 1997.

About Dynasty Warriors for PSP(tm)

For the first time on any handheld platform, DYNASTY WARRIORS transports players onto the virtual battlefields of Ancient China to experience the thrill of fighting legions of ruthless enemy soldiers. Gamers can choose up to 42 playable characters, each wielding powerful weapons and lethal fighting skills. The game introduces new features found exclusively on the PSP including:

* A Battlefield Area System that creates new strategic gameplay and also allows for shorter periods of play- ideal for a mobile environment.

* The "Second-in-command" Officer System features bodyguards with special skills that players control.

* With hundreds of bodyguards to discover, gamers can collect and select which officers to take into battle. Players can also trade bodyguard officers using the Memory Stick Duo(tm).

Developed by KOEI's award-winning team, Omega Force, DYNASTY WARRIORS is a 1-Player game, and is rated "T" (Teen- Violence) by the ESRB.

About KOEI Corporation

KOEI Corporation, the North American subsidiary of KOEI Co., Ltd. of Japan, established operations in 1988. Based in the San Francisco Bay Area, the company is now in its seventeenth year and is recognized as a leader in the highly competitive video game industry.

KOEI is respected worldwide as the premier brand for Strategy and Simulation games, and is recognized as the innovator of the Tactical Action genre. The company's Dynasty Warriors(r) series has generated more than 7 million units in sales worldwide, since releasing for the PlayStation game console in 1997.