SOURCE: Tonogold Resources, Inc.

August 21, 2007 09:35 ET

Prospect Uranium, Inc. Acquires Uranium Database and Appoints George Copenhaver to Advisory Board

LA JOLLA, CA--(Marketwire - August 21, 2007) - Prospect Uranium, Inc., a subsidiary of Tonogold Resources, Inc. (PINKSHEETS: TNGL), is pleased to announce the signing of an agreement with George Copenhaver PG, CEG, to be a corporate advisor and for the exclusive rights to a unique uranium database.

Mr. Copenhaver has 40 years experience as a consulting and exploration geologist. Mr. Copenhaver worked for Conoco/Phillips for 10 years and held the position of senior uranium exploration geologist in charge of the western United States. Mr. Copenhaver currently works at Geocon Incorporated, a geotechnical firm based in San Diego, California. Mr. Copenhaver holds B.S. and M.S. degrees in Geology from San Diego State University. Mr. Copenhaver is a Registered Professional Geologist and a Certified Engineering Geologist.

Mr. Copenhaver has provided Prospect Uranium with 10 high quality uranium prospects. Land status checks and field research have begun.

A major part of the Copenhaver database pertains to sedimentary basins in Wyoming, Utah and Colorado, and detailed information and interpretations specific to four uranium-bearing sedimentary basins. The latter includes district-specific data on stratigraphy, structure, alteration, roll fronts and pieziometry based on surface indicators, geophysics, drill logs, and well data.

The database includes detailed information on uranium mineralization throughout the central western United States including site specific data on two prospects in Nevada, complete with drill logs, mineralogical analysis, mapping, and chemical analysis. The database includes higher grade vein-type occurrences, one in Nevada and two in Colorado with surface sampling, geophysical, and drill results.

Jeff Janda, President of Prospect Uranium, stated: "Mr. Copenhaver is an experienced exploration geologist with expertise in our regions of interest and he will be a key asset for our uranium exploration program going forward."

Prospect Uranium, Inc. is a minerals exploration company based in La Jolla, California with properties in North Dakota and Nevada. The company also has a project office in Carson City, Nevada. For more information on the Company visit their website www.prospecturanium.com. Tonogold Resources, Inc. is the parent company and their website is www.tonogold.com.

Safe Harbor Statement Under Private Securities Litigation Reform Act of 1995

This press release contains certain forward-looking information about Prospect Uranium, Inc. ("Prospect") and Tonogold Resources, Inc. ("Tonogold") which is intended to be covered by the safe harbor for "forward-looking statements" provided by the Private Securities Litigation Reform Act of 1995. Forward-looking statements are statements that are not historical facts. Words such as "expect(s)," "feel(s)," "believe(s)," "will," "may," "anticipate(s)," "goal" and similar expressions are intended to identify forward-looking statements. These statements include, but are not limited to, financial projections and estimates and their underlying assumptions; statements regarding plans, objectives and expectations with respect to future operations, products and services; and statements regarding future performance. Such statements are subject to certain risks and uncertainties, many of which are difficult to predict and generally beyond the control of Prospect and Tonogold that could cause actual results to differ materially from those expressed in, or implied or projected by, the forward-looking information and statements. These risks and uncertainties include: our lack of operating revenue and earnings history, our need for additional capital to pursue our business strategy, the grade and quantity of minerals in our projects may not be economic, we do not have fee title to our properties, but derive our right through leases and the Mining Law, Tonogold is a non-reporting company and as such do not make periodic filings with the Securities and Exchange Commission, Tonogold trades on the Pink Sheets and there can be no assurances that a liquid market will develop in our securities, Prospect is a private company and there can be no assurances that it will go public, mining is subject to extensive environmental regulations and can create substantial environmental liabilities, gold, silver and uranium are commodities which have substantial price fluctuations, a drop in gold, silver and/or uranium prices could adversely affect future profitability and/or capital raising efforts, and mining can be dangerous and present operation hazards for employees and contractors. Readers are cautioned not to place undue reliance on these forward-looking statements. Neither Tonogold nor Prospect undertakes any obligation to republish revised forward-looking statements to reflect events or circumstances after the date hereof or to reflect the occurrence of unanticipated events.

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