SOURCE: InvestSource, Inc.

February 26, 2008 08:32 ET

Greenstone Holdings Hits CEOCorner at

HUNTINGTON BEACH, CA--(Marketwire - February 26, 2008) - InvestSource, Inc. invites the public to hear what Sal Miwa, CEO of Greenstone Holdings, Inc. (PINKSHEETS: GSHN), has to say about his company. Mr. Miwa was featured in a recent installment of CEOCorner, "The Fastest 60 Seconds in the Small-Cap Market." Details of the interview can be heard at the company profile for Greenstone Holdings on the InvestSource, Inc. (ISI) website at: or on the CEOCorner website at:

During the interview, Mr. Miwa first discussed his own extensive background as both an MIT graduate and someone involved for nearly fifteen years in the construction materials industry with, among others, a NASDAQ-listed company. He was keen to point out the myriad benefits of Greenstone's flagship product GreenShield™, a "green" solution to protect wood based building materials and other products, as well as the numerous advantages of several of the Company's other innovative products such as Green-Dri™, Permeate™, MagneLine®, and Crystal-Guard™. Mr. Miwa was very positive about the exceptional versatility of the Company's products and their ability to generate revenues from a number of markets such as the $30 Billion moisture damage market, or the new housing market with approximately 2 Million new homes built every year.

About Greenstone Holdings, Inc.

( Greenstone® is in the business of providing a variety of unique chemical technologies that are primarily used in the building and construction industry. The Company's first brand name product, GreenShield™, offers a solution for environmental protection for wood based building materials and others such as lumber, logs, plywood, drywall, railroad ties, fencing, and utility poles. It also offers added fire retardancy to the material it is applied to. The $25 billion water damage market is one example of many which GreenShield can find a niche in. Greenstone also exclusively distributes Green-Dri™, revolutionary biological dry kiln for drying wood, Permeate™, a very unique chemical sealer for metal, concrete, and other construction material, MagneLine®, a very strong polymer cement mortar to repair or reinforce metal and concrete structures such as bridges and highways, and Crystal-Guard™, an innovative chemical to make Asbestos safer and easier to dispose.

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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