SOURCE: Greenstone Holdings, Inc.

January 10, 2008 06:30 ET

Greenstone Pursues Earthquake Protection Market

NEW YORK, NY--(Marketwire - January 10, 2008) - Greenstone Holdings, Inc. (PINKSHEETS: GSHN) announced today that the Company has introduced a new product line MagneLine® PPMG-CR which is an innovative method to efficiently reinforce buildings and structures utilizing MagneLine Polymer Cement Mortar (PCM). With the MagneLine PPMG-CR, structural columns and beams, and concrete floor slabs, bridge piers, and roadbeds can be reinforced to help the structure withstand shocks, including strong earthquakes. Compared to conventional concrete reinforcement methods, as much as 25 times less material is required when MagneLine is used. MagneLine is easy to handle, has no odor, and it is UV and fire resistant. MagneLine is also a "green" product, which has tested negative for VOC (Volatile Organic Compounds) such as formaldehyde. It also can be applied to interior surfaces.

"The 1994 Northridge Earthquake in California, which registered 6.7 on the Richter scale, caused $40 billion in property loss. The U.S. Geological Survey shows that we experienced fifty-five earthquakes with magnitudes of six or higher between year 2000 and 2007 in the United States and 1,263 around the world. MagneLine has proven itself a success in Japan and we strongly believe it will help save lives and reduce damages from future earthquakes," said Sal Miwa, CEO of Greenstone.

MagneLine is distributed exclusively in the United States by Greenstone for Magne Corporation in Fukuoka, Japan. (http://www.e-magne.jp/company-en.html)

About Greenstone Holdings, Inc.

(www.egreenstone.com) Through its operating subsidiaries, 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 distributes Green-Dri™, revolutionary biological dry kiln for drying wood, Permeate™, a very unique chemical sealer for metal, concrete, and other construction material, and MagneLine®, a very strong polymer cement mortar to reinforce metal and concrete structures such as bridges and highways.

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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