SOURCE: InvestSource, Inc.

May 12, 2008 14:38 ET

New on the InvestSource Index: Signature Devices, Inc.

HUNTINGTON BEACH, CA--(Marketwire - May 12, 2008) - InvestSource, Inc., a multimedia relations/investor relations firm specializing in bringing small- and micro-cap issuers to the attention of the broader public, announced today that it has added Signature Devices, Inc. (PINKSHEETS: SDVI) to its rapidly growing "InvestSource Index" of publicly traded securities. Signature Devices, Inc. is the latest in a line of companies to recognize the potential benefits of placement in the InvestSource Index, a robust and feature-rich platform that incorporates the latest communications tools to create the most interactive environment for issuers and investors to interact, research, and communicate. A full profile of Signature Devices, including expanded company description, trading charts, and market highlights, is now available on the InvestSource website at: www.investsourceinc.com.

About Signature Devices, 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, LLC (www.GraffitiEntertainment.com), a publisher of interactive entertainment software for advanced entertainment consoles.

About InvestSource, Inc. (ISI):

ISI has recently unveiled its new InvestSource Index of small- and micro-cap companies, incorporating the most versatile set of communications tools available into one single comprehensive platform. The InvestSource Index collates company profiles, including expanded company descriptions, Level II charts, and market highlights, along with RSS feeds, SMS alert messaging, multimedia content, Company Q & A, and other exciting features to provide the most efficient link possible between issuer and public. InvestSource, Inc. believes that there are hosts of undervalued companies that don't get the exposure they deserve, and because of their size, have been overlooked by the larger marketing companies. Many of them have solid business plans and have superb growth potential. It is the mission of ISI to empower these companies to reap fully all of the benefits of public exposure. For more information visit the corporate website at www.investsourceinc.com.

Safe Harbor Statement:

Except for historical information contained herein, the matters set forth above may be forward-looking statements that involve certain risks and uncertainties that could cause actual results to differ from those in the forward-looking statements. Words such as "anticipate," "believe," "estimate," "expect," "intend" and similar expressions, as they relate to the Company or its management, identify forward-looking statements. Such forward-looking statements are based on the current beliefs of management, as well as assumptions made by and information currently available to management. Actual results could differ materially from those contemplated by the forward-looking statements as a result of certain factors such as the level of business and consumer spending, the amount of sales of the Company's products, the competitive environment within the industry, the ability of the Company to continue to expand its operations, the level of costs incurred in connection with the Company's expansion efforts, economic conditions in the industry and the financial strength of the Company's customers and suppliers. The Company does not undertake any obligation to update such forward-looking statements. Investors are also directed to consider all other risks and uncertainties.

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