VANCOUVER, May 6, 2013 /PRNewswire/ – Wildcat Silver Corporation (TSX: WS) (“Wildcat”) and Riva Gold
Corporation (TSX-V: RIV) (“Riva”) are pleased to announce the completion of the acquisition of Riva by
Wildcat as announced on March 4, 2013. A definitive agreement was
entered into and announced on April 4, 2013 providing for the
acquisition by Wildcat of all the outstanding common shares of Riva in
consideration for one common share of Wildcat for 4.7 common shares of
Riva. The transaction was approved by the Riva shareholders at the
annual general and special meeting held on May 3, 2013.

With the acquisition now complete, shares of Riva are no longer trading
and will be delisted from the TSX Venture Exchange.

About Riva
Riva was a Canadian-based mineral exploration company that was focused
on identifying and developing new discoveries. Riva was assessing its
strategic alternatives and evaluating potential opportunities with the
objective of taking a staged approach to its activities.

About Wildcat
Wildcat is a Canadian mineral exploration company focused on the
development of its 80% owned Hermosa silver project located in Santa
Cruz County, Arizona. The project currently has a preliminary economic
assessment completed which estimates average annual production of over
15 million ounces of silver for the first five years and a 16 year mine
life, making it one of the largest undeveloped silver projects in the
USA. Hermosa’s measured and indicated mineral resource consists of 194
million tonnes averaging 37.7 grams per tonne silver for a total of 236
million ounces of silver and an inferred mineral resource of 80 million
tonnes averaging 30.9 grams per tonne silver for a total of 79 million
ounces of silver as announced in the August 9, 2012 press release.

FORWARD-LOOKING STATEMENTS
Cautionary Note Regarding Forward-Looking Information
Certain information contained in this press release constitutes
forward-looking statements. All statements, other than statements of
historical facts, are forward looking statements. Forward-looking
statements are often, but not always, identified by the use of words
such as may, will, seek, anticipate, believe, plan, estimate, budget, schedule, forecast, project, expect, intend, or similar expressions.

The forward-looking statements are based on a number of assumptions
which, while considered reasonable by Wildcat, are subject to risks and
uncertainties. In addition to the assumptions herein, these
assumptions include the assumptions described in Wildcat’s management’s
discussion and analysis for the period ended December 31, 2012
(“MD&A”). Wildcat cautions readers that forward-looking statements
involve and are subject to known and unknown risks, uncertainties and
other factors which may cause actual results, performance or
achievements to differ materially from those expressed in or implied by
such forward-looking statements and forward-looking statements are not
guarantees of future results, performance or achievement. These risks,
uncertainties and factors include general business, economic,
competitive, political, regulatory and social uncertainties; actual
results of exploration activities and economic evaluations;
fluctuations in currency exchange rates; changes in project parameters;
changes in costs, including labour, infrastructure, operating and
production costs; future prices of silver and other minerals;
variations of mineral grade or recovery rates; operating or technical
difficulties in connection with exploration, development or mining
activities, including the failure of plant, equipment or processes to
operate as anticipated; delays in completion of exploration,
development or construction activities; changes in government
legislation and regulation; the ability to maintain and renew existing
licenses and permits or obtain required licenses and permits in a
timely manner; the ability to obtain financing on acceptable terms in a
timely manner; contests over title to properties; employee relations
and shortages of skilled personnel and contractors; the speculative
nature of, and the risks involved in, the exploration, development and
mining business; and the factors discussed in the section entitled
“Risks and Uncertainties” in the MD&A.

Although Wildcat has attempted to identify important risks,
uncertainties and other factors that could cause actual performance,
achievements, actions, events, results or conditions to differ
materially from those expressed in or implied by the forward-looking
information, there may be other risks, uncertainties and other factors
that cause performance, achievements, actions, events, results or
conditions to differ from those anticipated, estimated or intended.
Unless otherwise indicated, forward-looking statements contained herein
are as of the date hereof and Wildcat disclaims any obligation to
update any forward-looking statements, whether as a result of new
information, future events or results or otherwise, except as required
by applicable law.

Neither 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.

SOURCE Wildcat Silver Corporation