Rathdowney Provides Additional Information to Investors: Zinc-Lead Resources Average 3 Metres in Thickness at Project Olza

VANCOUVER, Sept. 14, 2012 /CNW/ - Rathdowney Resources Ltd. ("Rathdowney" or the "Company") (TSXV: RTH) recently announced an estimate of significant zinc-lead mineral resources for its Project Olza in Poland. The 100-square kilometre property is located in the Upper Silesian Mining District of southwestern Poland, an area of extensive Mississippi Valley-type deposits in which zinc-lead mining has taken place since the 12th century.

Mineralization at Project Olza occurs along a corridor which, in plan, follows a broadly curvilinear pattern with a total strike length of approximately 10 kilometres and width up to 1 kilometre. Stratabound mineralized zones, ranging in thickness from less than 1 metre to 20 metres, are mainly hosted in a flat-lying dolomitic unit 100 to 250 metres below surface.

Within this mineralized corridor Rathdowney has defined a mineral resource utilizing holes from historical and recent drilling.  At a 2.0% zinc cutoff, these inferred mineral resources are 21.2 million tonnes grading 7.42% combined zinc and lead (5.88% zinc and 1.54% lead)1.  Mineralization within the areas that comprise the resource, shown on the map at http://rathdowneyresources.com/i/rdr/pdf/RTH_2012_Sept11_Drawing.pdf, averages approximately 3 metres in thickness.

The Qualified Person for the estimate is Robert L. Sandefur, P.E. of Chlumsky Armbrust & Meyer, who has reviewed the contents of this release.  Further details are available in the Company's September 11, 2012 news release.

About Rathdowney

Rathdowney Resources Ltd. is a mineral exploration company focused on finding and developing the next generation of zinc-lead-silver deposits in the ore fields of Europe.  Rathdowney is associated with Hunter Dickinson Inc. ("HDI") a diversified, global mine development company with a 25-year history of mineral development success. From its head office in Vancouver, Canada, HDI applies its unique strengths and capabilities to acquire, develop, operate and monetize mineral properties that provide consistently superior returns to shareholders.

John Barry
President & CEO

Neither the TSX Venture Exchange nor its Regulation Services Provider (as that term is defined in the policies of the TSX Venture Exchange) accepts responsibility for the adequacy or accuracy of this release.

This release includes certain statements that may be deemed "forward-looking statements". All statements in this release, other than statements of historical facts, that address exploration drilling, exploitation activities and events or developments that the Company expects, are forward looking statements. Although the Company believes the expectations expressed in such forward-looking statements are based on reasonable assumptions, such statements are not guarantees of future performance and actual results or developments may differ materially from those in the forward-looking statements. Factors that could cause actual results to differ materially from those in forward-looking statements include market prices, exploitation and exploration successes, continuity of mineralization, potential environmental issues or liabilities associated with exploration, development and mining activities, uncertainties related to the ability to obtain necessary permits, licenses and title and delays due to third party opposition, changes in government policies regarding mining and natural resource exploration and exploitation, continued availability of capital and financing, and general economic, market or business conditions. Investors are cautioned that any such statements are not guarantees of future performance and actual results or developments may differ materially from those projected in the forward-looking statements. For more information on the Company, investors should review the Company's continuous disclosure filings that are available at www.sedar.com.

Information Concerning Estimates of Inferred Resources

This news release uses the term "inferred resource". Rathdowney advises investors that although this term is recognized and required by Canadian regulations (under National Instrument 43-101 Standards of Disclosure for Mineral Projects), the U.S. Securities and Exchange Commission does not recognize it. Investors are cautioned not to assume that any part or all of the mineral deposits in this category will ever be converted into reserves.  Inferred resources have a great amount of uncertainty as to their existence, and economic and legal feasibility. It cannot be assumed that all or any part of an Inferred Mineral Resource will ever be upgraded to a higher category. Under Canadian rules, estimates of Inferred Mineral Resources may not form the basis of feasibility or pre-feasibility studies, or economic studies except for Preliminary Assessment as defined under 43-101. Investors are cautioned not to assume that part or all of an inferred resource exists, or is economically or legally mineable.

1 The effective date of the estimate is May 2012, the date of the latest drilling used in estimation. A technical report will be filed on the Rathdowney profile at www.sedar.com within 45 days.

SOURCE: Rathdowney Resources Ltd.

For further information:

For further details on the Company and its projects, please visit www.rathdowneyresources.com or contact Investor Services at (604) 684-6365 or within North America at 1-800-667-2114.

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Rathdowney Resources Ltd.

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