SOURCE: Greenstone Holdings, Inc.

October 19, 2007 09:45 ET

Greenstone Appoints StockProfiler.US as Its Investor Relations Firm

NEW YORK, NY--(Marketwire - October 19, 2007) - Greenstone Holdings, Inc. (PINKSHEETS: GSHN)

Sal Miwa, Chief Executive Officer of Greenstone, is pleased to announce the engagement of an investor relations firm, StockProfiler.US, LLC based in Bedford, New Hampshire, (www.stockprofiler.us). StockProfiler.US has been engaged to further develop shareholder awareness for the Company and Mr. Miwa stated, "We are delighted to have StockProfiler.US assist Greenstone in updating our shareholders on Company progress, and increase overall investor awareness."

Sam Brown, Chief Executive Officer of StockProfiler.US, LLC, stated "StockProfiler is very excited about working with Greenstone. We look forward to implementing a strategic market awareness and financial communications program for this Company. I am extremely impressed with their products and feel that Greenshield will give the Company a real niche in the market. GSHN has a great story and we look forward to help in telling it to the stockholders and the investment community."

About StockProfiler.US LLC

StockProfiler.US is a media source for publicly traded companies and investors to come together and discover market opportunities.

Public companies have the opportunity to effectively broadcast their message to an audience that have come to StockProfiler.US seeking to discover companies in their start-up phase or ones who have yet to be fully discovered by the investment community.

Knowing the companies of tomorrow, the new technology leaders of today, and the executives behind these leading companies, StockProfiler.US is a very powerful tool that provides investors and business opportunists with a vast knowledge of Market and Industry changes and new viable opportunities. StockProfiler.US opens the lines of communication between entrepreneurs, investors and companies seeking to take advantage of opportunities that emerge from quality business relationships.

About Greenstone Holdings, Inc.

Greenstone Holdings, Inc. (www.egreenstone.com), through its operating subsidiaries, 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 building materials such as plywood, drywall, and lumber protection from the environment. It also offers added fire retardancy to the material it is applied to. GreenShield covers a wide range of applications such as wooden building material, fencing, railroad tie, and utility pole. The $25 billion water damage market is one example of many which GreenShield can be useful in.

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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