SOURCE: Greenstone Holdings, Inc.

March 18, 2008 16:05 ET

Greenstone Introduced Permeate HS200 Anti-Corrosion Paint at AGA Conference

NEW YORK, NY--(Marketwire - March 18, 2008) - Greenstone Holdings, Inc. (PINKSHEETS: GSHN) announced today that it has introduced Permeate™ HS200 Anti-Corrosion Paint at the American Galvanizers Association (AGA)'s annual conference in Las Vegas this week. AGA members account for 85% of 3.1 million tons of galvanized steel produced in this country each year. Greenstone is the exclusive U.S. Importer of Permeate, a product developed in Japan and a proven deterrent to the adverse effects of corrosion, having been used effectively in bridges and other critical structures. Permeate enhances the existing corrosion-resistant coatings on metal surfaces by penetrating the micro-pores of a metal finish for protection against water, acid, salt, and other harmful substances.

"Galvanized steel can be found in almost every major application where iron and steel is used, from the transportation, chemical, utilities, to pulp and paper industries. Galvanized steel is one of the most ideal applications for HS-200 which will add decades to galvanized steel's life reducing the lifecycle cost making the steel last much longer," noted Greenstone's CEO, Sal Miwa.

About Greenstone Holdings, Inc.

(www.egreenstone.com) 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.

Forward Looking Statements:

Safe Harbor statement under the Private Securities Litigation Reform Act of 1995: Except for historical information contained herein, the matters discussed in this press release are forward-looking statements that involve risks and uncertainties, including but not limited to economic, competitive, governmental and technological factors effecting the Company's operations, markets, products and prices and other factors discussed in the Company's various filings with the Securities and Exchange Commission.

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