Black Sigil : Blade of the Exiled Video Game Title for Nintendo DSTM Goes Gold

REDWOOD CITY, California.—January 28th, 2008 – Signature Devices, Inc. (OTCPK: SDVI) is pleased to announce that the Company’s wholly owned subsidiary, Graffiti Entertainment, Inc., has gone gold with the Role Playing Game Black Sigil: Blade of the Exiled and has scheduled the release for March 17th, 2009. Going gold is a term used in the video game industry when all testing and functionality of the game has been completed, and the game has been approved for manufacturing.

Black Sigil : Blade of the Exiled is Role Playing Game (RPG) that will excite all gamers. The game includes vivid environments that create a realistic yet imaginative landscape with 40 to 50+ hours of game play and tons of side-quests. Dark secrets and powerful plot twists create an original and intriguing story line. You can strategically customize your 3 person party from up to 8 unique characters, and there are 100+ different physical and magical skills/combos, 100+ different weapons, and 200+ different pieces of armor.

“Black Sigil is a game that all RPG gamers will enjoy. The story is so intriguing that it will keep you glued to your Nintendo DS™ ,” stated Kenneth Hurley, CEO of Signature Devices, Inc. and Graffiti Entertainment, Inc. “With 40-50+ hours of game play the entertainment value of this game is fantastic. Those that have had a chance to play the game say that it is among the best RPGs they’ve ever played. Our testing team has played the game over and over for the last 3 months during the testing process and they still enjoy playing the game everyday. That in and of itself is a testament to the game play and story line. In 30 years in the game business I’ve never witnessed such a thing.”

About Signature Devices, Inc. and Graffiti Entertainment, Inc:
Based in Redwood City, Calif., Signature Devices, Inc. creates, develops and manufactures advanced information technology, including computer systems, software and electronics products. One of the Company’s premier technologies includes a blend of hardware and software for image generation technology used in video games and simulations. Signature Devices also owns Graffiti Entertainment, Inc, (www.graffitientertainment.com), a publisher of interactive entertainment software for advanced entertainment consoles.

The information in this press release includes certain “forward-looking” statements within the meaning of the Safe Harbor provisions of Federal Securities Laws. Investors are cautioned that such statements are based upon assumptions that in the future may prove not to have been accurate and are subject to significant risks and uncertainties, including the future financial performance of the Company. Although the Company believes that the expectations reflected in its forward-looking statements are reasonable, it can give no assurance that such expectations or any of its forward-looking statements will prove to be correct. Readers are cautioned not to place undue reliance on these forward-looking statements that speak only as of the date of this release, and the Company undertakes no obligation to update publicly any forward-looking statements to reflect new information, events, or circumstances after the date of this release except as required by law.