SOURCE: Greenstone Holdings, Inc.

March 19, 2008 16:30 ET

Greenstone Settles Lawsuit Over Trade Secret

NEW YORK, NY--(Marketwire - March 19, 2008) - Greenstone Holdings, Inc (PINKSHEETS: GSHN) announced today that the Company and D&L LLC settled a lawsuit filed by D&L in the Circuit Court in Florida July 2004. The settlement resolves a long-standing dispute between D&L, Greenstone and the Inventor of a patent and two patent applications. No financial terms about the settlement were disclosed, but Mr. Miwa, CEO of Greenstone, reported that no significant cash payments were required of Greenstone other than future royalties and that the settlement will be greatly beneficial in attracting new customers that may have been concerned about ownership of the patented technology in the past. "We are excited," Mr. Miwa added, "to be joining forces with D&L on a project designed to develop new markets for D&L's patented technology and Greenstone's family of 'Green' products, including GreenShield™, Green-Dri™, Permeate™, MagneLine®, and Crystal-Guard™."

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 anti-corrosion sealer paint for metal, concrete, and other construction material, MagneLine®, a very strong polymer cement mortar to reinforce or repair metal and concrete structures such as bridges and highways, and Crystal-Guard™, an innovative chemical to make asbestos harmless and recyclable.

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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