Stillwater Responds to Clinton Group’s Recent Press Release

  Stillwater Responds to Clinton Group’s Recent Press Release

Business Wire

BILLINGS, Mont. -- May 2, 2013

Stillwater Mining Company (NYSE: SWC) (TSX: SWC.U) (“Stillwater” or the
“Company”) today responded to a press release issued by the Clinton Group,
Inc. (“Clinton Group”), a 1.3% shareholder, in advance of today’s 2013 Annual
Shareholders Meeting set for May 2, 2013.

Patrick M. James, Stillwater’s lead independent director, said, “Clinton
Group’s press release is an unfortunate attack that is without merit and the
annual meeting will proceed later today as planned. Our annual meeting was
scheduled long ago and set at our premier mine location to show shareholders
the tremendous progress we have made. Regardless of the outcome at today’s
annual meeting, we are certain that the new Board will be committed to
maintaining the positive momentum that the Company and its employees have
achieved, particularly at our core Montana operations. Our director nominees
are ready to be part of a newly elected Board that will work to realize, for
shareholders, the Company’s full potential and continue the recent operational
and financial achievements, as evidenced by our first quarter earnings
results.”

All shareholders of record as of March 6, 2013 are entitled to vote at the
2013 Annual Shareholders Meeting on May 2, 2013. Stillwater continues to
encourage all shareholders to vote only their WHITE proxy card. For more
information about Stillwater’s 2013 Annual Shareholders Meeting, please visit
www.supportstillwater.com.

About Stillwater Mining Company

Stillwater Mining Company is the only U.S. producer of palladium and platinum
and is the largest primary producer of platinum group metals outside of South
Africa and the Russian Federation. The Company’s shares are traded on the New
York Stock Exchange under the symbol SWC and on the Toronto Stock Exchange
under the symbol SWC.U. Information on Stillwater Mining Company can be found
at its website: www.stillwatermining.com.

Some statements contained in this news release are forward-looking statements
within the meaning of Section 27A of the Securities Act of 1933, as amended,
and Section 21E of the Securities Exchange Act of 1934, as amended, and,
therefore, involve uncertainties or risks that could cause actual results to
differ materially. These statements may contain words such as "believes,"
"anticipates," "plans," "expects," "intends," "projects", "estimates,"
"forecast," "guidance," or similar expressions. These statements are not
guarantees of the Company's future performance and are subject to risks,
uncertainties and other important factors that could cause our actual
performance or achievements to differ materially from those expressed or
implied by these forward-looking statements. Such statements include, but are
not limited to, comments regarding expansion plans, costs, grade, production
and recovery rates, permitting, financing needs, the terms of future credit
facilities and capital expenditures, increases in processing capacity, cost
reduction measures, safety, timing for engineering studies, and environmental
permitting and compliance, litigation, labor matters and the palladium and
platinum market. Additional information regarding factors, which could cause
results to differ materially from management's expectations, is found in the
section entitled "Risk Factors" in the Company's 2012 Annual Report on Form
10-K and in subsequent filings with the United States Securities & Exchange
Commission. The Company intends that the forward-looking statements contained
herein be subject to the above-mentioned statutory safe harbors. Investors are
cautioned not to rely on forward-looking statements. The Company disclaims any
obligation to update forward-looking statements.

Contact:

INVESTORS
Stillwater Mining Company
Mike Beckstead, 406-373-8971
or
Innisfree M&A Incorporated
Arthur Crozier / Jennifer Shotwell / Scott Winter
212-750-5833
or
MEDIA
Sard Verbinnen & Co
Dan Gagnier / Michael Henson
212-687-8080
 
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