SOURCE: Greenstone Holdings, Inc.

December 18, 2007 06:30 ET

Greenstone Launches New Revolutionary Product, Green-Dri™, Into $2.5 Billion Dry Kiln Market

NEW YORK, NY--(Marketwire - December 18, 2007) - Greenstone Holdings, Inc. (PINKSHEETS: GSHN) announced today that the Company signed a 15 year exclusive distributor agreement with Nippon Funen Mokuzai Co. Ltd. (NFM), a dry kiln and special chemical manufacturer based in Tokyo, Japan. The Company will be representing NFM for Green-Dri™ Biological Dry Kiln BDK-3000 product line, covering North, Central, and South Americas. Green-Dri's are typically leased to the end user in order to ensure better cost performance and to maintain better entry level pricing for the customer. Currently, the monthly rental rate is based on $75 per 1,000 board feet of hardwood material dried, which is significantly less than any existing competitive dry kiln costs. The Company recently signed a rental agreement with its first customer in Ohio for two large units with expected capacity of over 50,000 board feet per month. Delivery is scheduled for mid-January and the Company expects to receive additional orders in the very near future. NFM has located a site for producing these first units in the United States.

Mr. Toshio Ito, the inventor/designer of this unique kiln and President of NFM, said, "Conventional dry kilns use high heat and high speed fans to force moisture out of wood but they end up damaging the wood cell structures by making them weaker and causing quality problems such as warping, checks (cracks), and discoloration. Our Green-Dri uses the natural forces of the wood which still retains functioning wood cells, which I call our 'employees,' who work for us." Green-Dri can dry wood as much as 5 times faster, is more economical, and uses much less energy than conventional kilns, at the same time reducing the carbon emissions and wood waste. It is truly a "GREEN" technology; a win-win result for the operators and the world. (visit Green-Dri page http://www.egreenstone.com/Greendri.php)

Sal Miwa, Chief Executive Officer of the Company, said, "More than half of 66 billion board feet of annual sawn wood production in North America are kiln dried, which translates to approximately a $2.5 billion potential annual rental market for Green-Dri kilns. We are very excited to be in the forefront of dry kiln technology with Green-Dri users also being potential customers for our GreenShield chemical."

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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