News Release

White Tiger Mining Corp. Reports on Assays for RM Copper Discovery at Marshall Lake Property, Ontario

West Vancouver, British Columbia – April 20, 2011 – Further to the Company’s news releases of April 5 and April 11, 2011 (drilling results announced), Rainy Mountain Royalty Corp. (the “Company” or “Rainy Mountain”) is very pleased to announce that its joint venture partner, White Tiger Mining Corp. (“White Tiger” –TSX-V:WTC) has reported assay results from drill hole RMZ11-21 for the Marshall Lake project in Ontario.

In its news release of April 20, 2011, White Tiger indicated that drill hole RMZ11-21 was designed to test the western extension of the “RM Zone”, which drill hole is located 300 metres southwest of the initial discovery (drill hole GAZN08-06 and follow up drill hole GAZN10-15, as referred to in the Company’s and White Tiger’s news releases dated November 3, 2010 and April 5, 2011). White Tiger believes that the two mineralized zones intersected by drill hole RMZ11-21 indicate that the RM Zone extends along strike to the west and that the Lease Zone showing extends along strike to the east (which occurs 100 metres west of hole RMZ11-21).

As reported by White Tiger, the assay results for the RM Zone portion of drill hole RMZ11-21 are as follows:

The true width of the mineralized zones is estimated to be 66% of the mineralized intersection.

According to White Tiger, drill hole RMZ11-23 was collared 25 metres south and was drilled beneath drill hole RMZ11-21. Assays are pending for drill hole RMZ11-23 and will be released when received and reviewed by the Company. The reported mineralization supports the possibility of an eastward trend from the Lease Zone showing. The IP geophysical survey and core drilling completed in November 2010 indicate a potential strike length of 625 metres for the RM Zone (see White Tiger’s and the Company’s news releases dated November 3, 2010 and November 17, 2010).

As reported by White Tiger, the assay results for the Lease Zone portion of drill hole RMZ11-21 are as follows:

The true width of the mineralized zones is estimated to be 66% of the mineralized intersection.

As indicated by White Tiger, drill core was split at the Marshall Lake property and sample preparation was done by ALS Chemex in Thunder Bay, Ontario. Pulp samples (‹75 microns) were then sent by secure courier to ALS Chemex in North Vancouver, British Columbia and analyzed by ICP spectrometer("ICP") using a 0.5g representative pulp dissolved in Aqua Regia (3 acid) digestion. All samples grading over 1.0% copper were re-assayed with ore grade ICP and Aqua Regia digestion. Gold analysis was done on a 30 gram sample by fire assay extraction with AA ("Atomic Absorption") finish.

The Marshall Lake Property is a copper, silver and gold exploration project located 30 km west of Nakina, Ontario, with access via good all weather gravel road from Hwy 11 (and 22 km north of the main CNR rail line).

White Tiger has the option to earn a 50% interest in the Marshall Lake project from Rainy Mountain and Marshall Lake Mining PLC (“MLM”) by spending $4 million in exploration expenditures over 5 years and issuing 2 million shares over 4 years to Rainy Mountain. As well, White Tiger has the additional option to increase its interest to 75% by incurring such additional expenditures as are necessary to take the project to bankable feasibility stage.

This news release has been reviewed and approved by Robert Middleton, P.Eng., who is acting as the Company’s Qualified Person for the Marshall Lake Property project in accordance with regulations under NI 43-101.

For further information, contact Mr. Clive Shallow, Shareholder Communications at 604-922-2030, Robert A. Young, Investor Relations at 604-682-5123 or visit the Company's website at www.rmroyalty.com.

Rainy Mountain Royalty Corp.

“Douglas L. Mason”
_________________________________

Douglas L. Mason, 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 news release includes certain statements that may be deemed "forward-looking statements" within the meaning of applicable securities legislation. All statements, other than statements of historical facts, that address such matters as future exploration, drilling, exploration activities, potential mineralization and resources and events or developments that the Company expects, are forward looking statements and, as such, are subject to risks, uncertainties and other factors of which are beyond the reasonable control of the Company. Such statements are not guarantees of future performance and actual results or developments may differ materially from those expressed in, or implied by, this forward-looking information. Factors that could cause actual results to differ materially from those in forward-looking statements include such matters as market prices, exploitation and exploration results, continued availability of capital and financing, and general economic, market or business conditions. Any forward-looking statements are expressly qualified in their entirety by this cautionary statement. The information contained herein is stated as of the current date and subject to change after that date and the Company does not undertake any obligation to update publicly or to revise any of the forward-looking statements, whether as a result of new information, future events or otherwise, except as may be required by applicable securities laws.

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