NewswireToday - /newswire/ - New York, NY, United States, 05/21/2008 - Report on Sierra Madre Occidental Range, Largest Epithermal Precious Metals Region in the World with Case Study Yale Resources Ltd. at Potential Inflection Point. Near term catalysts make Yale an undervalued and exceptional risk-reward scenario.

Madison Avenue Research Group has issued a report on the immense potential that exists for exploration companies in the Sierra Madre Occidental Range in western Mexico. The report offers a case study of Yale Resources Ltd. (TSX VENTURE: YLL) (Pink Sheets: YRLLF) as Yale possesses several exploration projects in the Sierra Madre Occidental Belt which they have brought to varying levels of development and are at a point where results on 3 key fronts and near term catalysts make Yale an undervalued and exceptional risk-reward scenario.

An abridged version of the report may be viewed free of charge at madisonaveresearch.com/SierraMadre.htm online.

Excerpts from report:
1) Investors in resource stocks should be aware of the significance the Sierra Madre Occidental Range in western Mexico presents for exploration/mining companies. Home to large multi million oz gold and silver deposits, companies such as Minefinders Corp. Ltd., Goldcorp Inc., Agnico-Eagle, Alamos Gold, Gammon Lake, among others, are active in this geological region considered to be the largest epithermal precious metals region of the world. With production from the area of approximately 40 million ounces of gold and up to 2 billion ounces of silver over the last 400 years the, Sierra Madre Occidental Range has become an area of global focus in the search for new precious metal deposits. ...

2) Upside Valuation Summary of Yale Resources:
Investment Valuation Alert #264/Special Situation Advisory - Yale Resources Ltd.
Yale Resources possesses several exploration projects in the Sierra Madre Occidental Belt which they have brought to varying levels of development and are at a point where results on 3 key fronts and near term catalysts make YLL.V an undervalued and exceptional risk-reward scenario.

Gold-Silver at Urique North: Yale Resources has just completed a 1,500m drill program and results are expected back from the lab within days. The drill campaign at Cerro Colorado covered 2 km of strike length and connects two previously mined areas.

High silver values "8 kilos silver per tonne" at Urique South: Phase II field work is currently underway at Yale's El Rosario target area, an area at which sampling yielded significant values as much 10.6 g/t gold and an astounding 8,290 g/t silver from a 10-40 cm wide veins.

Very large copper mine potential at La Verde: Yale's 100% owned La Verde Project is host to six known historical deposits of copper, silver, zinc and gold that have seen limited production. The largest is Yale’s La Verde Grande Mine site where YLL.V's 2007 geological mapping and sampling program has shown the deposit to be larger than historic data indicated. Conceivably the large historical (non NI43-101) copper resource deposits may be brought current, expanded on, and conceivably be brought to near term open-pit production status.

This release may contain forward-looking statements regarding future events that involve risk and uncertainties. Readers are cautioned that these forward-looking statements are only predictions and may differ materially from actual events or results. Reports herein are for information purposes and are not solicitations to buy or sell and of the securities mentioned. Readers are referred to the disclaimer and disclosure section at the bottom of the above referenced URL

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