Konami Digital Entertainment, Inc. Expands Partnership With PlayFirst

FOR IMMEDIATE RELEASE





LOS ANGELES -- June 8, 2006 -- Konami Digital Entertainment, Inc. today announced they have expanded their partnership with PlayFirst, Inc., a leading full-service publisher of casual games, to include additional titles for mobile, Pirate Poppers^TM and Professor Fizzwizzle^TM. Already popular casual PC titles, the games are expected to be available on mobile platforms next year. Together, Konami and PlayFirst are expanding the international market for casual games by bringing highly-original content to cell phones worldwide.

"Konami's mobile strategy includes a balance of popular casual games in addition to leveraging our internal brands," commented Joe Morris, Vice President, Mobile Content, Konami Digital Entertainment. "By partnering with strong performers in the casual gaming space like PlayFirst, we are able to offer our customers a top-quality mobile entertainment experience."

Under the terms of the agreement, Konami will manage the mobile publishing and distribution of two popular PlayFirst games Pirate Poppers, developed by Mystery Studio, and Professor Fizzwizzle, developed by Grubby Games.

About Pirate Poppers
Climb aboard for some swashbucklin' pirate popping fun! Aim your cannonballs to clear away menacing chains and unlock trinkets and jewels that rain down from above. Begin as a lowly Landlubber and plunder your way up the ranks! Do you have what it takes to become a Living Legend?

About Professor Fizzwizzle
Help Professor Fizzwizzle find his way back to his lab. Take control of the diminutive genius and use his brains and gadgets to solve each exciting level in this mind-expanding puzzle game! Do you have what it takes to get past the robots and get the Professor home?

About Konami Corporation
Konami Corporation is a leading developer, publisher and manufacturer of electronic entertainment properties, specializing in the home video game market. Konami Corporation's action and adventure titles include the popular franchises Metal Gear Solid®, Silent Hill® and Castlevania®, among other top sellers. The latest information about Konami can be found on the Web at www.konami.com. Konami Corporation is a publicly traded company based in Tokyo, Japan with subsidiary offices, Konami Digital Entertainment, Inc. in the US and Konami of Europe in Frankfurt, Germany. Konami Corporation, the parent company of Konami Digital Entertainment, Inc. is traded in the United States on the New York Stock Exchange under the ticker symbol KNM (NYSE: KNM). Details of the mobile products published by Konami Digital Entertainment, Inc. can be found at www.konami.com/mo.

About PlayFirst, Inc.
PlayFirst is the leading publisher of highly-original games made for casual gamers wherever they play. Committed to fostering creativity, PlayFirst works with talented internal and external developers to bring innovative games to multiple platforms, including PC, Mac and mobile. PlayFirst's portfolio of games includes the top-selling hit Diner Dash, which has more than 100 million plays worldwide. Founded in 2004, PlayFirst is funded by Mayfield Fund, Trinity Ventures and Rustic Canyon Partners. For more information visit www.playfirst.com.

Media Contacts:
Konami Digital Entertainment
Mobile Group
Cathy Tische
(310) 220-8124
tc.97863@konami.com

PlayFirst
Kirem Marnett
Alta Public Relations
415.503.3922
kirem@altapr.com

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Pirate Poppers, PlayFirst and the PlayFirst logo are trademarks of PlayFirst, Inc. Professor Fizzwizzle is a trademark of Grubby Games. All other trademarks are the property of their respective owners.