Greenstone Introduces MagneLine(R)-PT Method, the Next Generation Technique for Tunnel Repair and Reinforcement

NEW YORK, NY announced today that the Company has introduced MagneLine-PT, a brand new technique used to reinforce and repair tunnels. With MagneLine's high adhesive strength, much less material is required to accomplish the task compared to conventional methods, hence reducing the added weight of overhang material. MagneLine can be applied on wet surfaces, is non-flammable, odorless, has no toxic fumes, and is very easy to apply. It is ideal for use in confined areas, including applications used for inside of tunnels. MagneLine has been certified in Japan safe for use in material used in drinking water containers. It can be used in subway tunnels and on materials that channel water.

"According to the Federal Highway Administration, 32% of highway tunnels in this country are over 50 years old and many of them require immediate attention. There are many more tunnels on our railways and water channels where MagneLine-PT technique can be used," said Sal Miwa, CEO of the Greenstone.

See the examples at http://www.egreenstone.com/documents/MagleLinePTexamples.pdf

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(TM), offers a "green" solution to protect wood based building materials such as lumber, logs, plywood, drywall, railroad ties, fencing, and utility poles from destructive environmental elements. It also offers added fire retardancy to the material it is applied to. The $25 billion water damage market is just one example of the perfect niche for GreenShield. Greenstone also exclusively distributes Green-Dri(TM), a revolutionary biological dry kiln for drying wood, Permeate(TM), a very unique anti-corrosion sealer paint for metal, concrete, and other construction materials, MagneLine®, a very strong polymer cement mortar used to reinforce and/or repair metal and concrete structures such as bridges and highways, Crystal-Guard(TM), an innovative chemical to make asbestos harmless and recyclable, and Anz Ceramic Coating(TM), a revolutionary coating to reflect sun's heat ray.

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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