Stillwater Issues Letter and Mails Definitive Proxy Materials to Shareholders

  Stillwater Issues Letter and Mails Definitive Proxy Materials to

Details Strong Performance and Positive Fundamentals for Platinum Group Metals

   Urges Shareholders Vote FOR its Eight Highly-Qualified Director Nominees

Business Wire

BILLINGS, Mont. -- March 20, 2013

Stillwater Mining Company (NYSE:SWC) (TSX:SWC.U) (“Stillwater” or the
“Company”) today announced that it has filed definitive proxy materials with
the Securities and Exchange Commission (SEC) in connection with the Company’s
2013 Annual Shareholders Meeting, which will be held on May 2, 2013.

The Board of Directors of Stillwater has also issued a letter to its
shareholders urging them to vote for Stillwater’s highly-qualified slate of
director nominees who have positioned the Company for meaningful platinum
group metals (PGM)-focused growth at a time when PGM market dynamics are
increasingly robust.

All shareholders of record as of March 6, 2013 are entitled to vote at the
2013 Annual Shareholders Meeting. Stillwater encourages all shareholders to
carefully review its definitive proxy filing and other materials and vote only
their WHITE proxy card. For more information about Stillwater’s 2013 Annual
Shareholders Meeting, please visit

The full text of the letter follows:

March 20, 2013

Dear Fellow Shareholder:

                           YOUR VOTE IS IMPORTANT –

Under the leadership of our current Board and through the execution of a
multi-year plan, Stillwater has positioned itself for meaningful platinum
group metals (PGM)-focused growth at a time when PGM market dynamics are
increasingly robust. Today, Stillwater is in a position to deliver increased
shareholder value as many of our industry peers face significant operational
and financial challenges. As such, we are pleased to inform you that the
Company has nominated all of Stillwater’s qualified directors for reelection
at the annual meeting.

Given the Company’s strong position and positive momentum, it is disappointing
that a hedge fund, the Clinton Group, is waging a battle for control of your
Company even though it only recently acquired just 1.2% of our outstanding
shares and has no relevant experience investing in mining companies. In fact,
according to public filings, the Clinton Group has only invested in 18 mining
companies, none of them PGM-focused, with an average holding period of only
1.2 quarters, suggesting a significant short-term bias. At Stillwater, the
Clinton Group has leveled a number of misguided criticisms and self-serving
demands against the Company which either (a) offer no new strategies that the
Board is not already pursuing, or (b) are misinformed and/or misdirected and
will, in our view, be value-destructive for Stillwater’s shareholders.

Your vote is critical and we need your support at our upcoming Annual Meeting
scheduled for May 2, 2013. Do not cede control of your Company to a dissident
hedge fund with a misguided, value-destructive agenda. We urge you to vote
your WHITE proxy card FOR your Company’s nominees TODAY by telephone,
Internet, or by signing, dating, and returning the WHITE proxy card in the
postage-paid envelope provided with our recently mailed Annual Meeting


Stillwater is the premier North American PGM producer. The Company has taken
decisive actions over the past five years to become an industry leading
low-cost PGM producer, both in terms of current annual PGM production, as well
as PGM-focused growth initiatives going forward. Stillwater is particularly
well-positioned to deliver significant value for shareholders in light of
structurally embedded global supply constraints and growing worldwide demand
for PGMs – especially palladium.

Palladium Market Fundamentals Are Stronger Than Ever

While palladium and platinum prices on average were substantially lower in
2012 than in the prior year, PGM market fundamentals are robust and sit at a
positive inflection point, particularly with respect to palladium. Palladium
has solidified its position as the PGM-of-choice in the auto market, and
worldwide auto production is expected to grow by 25% over the next three
years. At the same time, PGM mine supply remains significantly constrained and
the once-vast inventory backlog of Russian palladium supply now appears to be
depleted. Against this backdrop, we expect PGM prices to increase from their
current strong levels, and the palladium price, in particular, to be an

2012 Represented Another Strong Operational Year for Stillwater

2012 annual production and cash costs were better than guidance, and our total
ore reserves in Montana are at an all-time high. At the same time, 2012 was
the Company’s safest year in its history and we maintain excellent relations
with our employees, unions and NGOs.


The Clinton Group has made several recommendations that ignore the fact that
Stillwater has already been pursuing a strategy to extend mine life and
enhance PGM production in its North American assets. One could conclude that
the fact that Clinton is recommending actions that have already been
implemented implies a fundamental lack of understanding of our business. Over
the past several years, your Board has undertaken the following actions:

  *We are accelerating our spending and development of our Montana growth
    projects. In many ways, 2012 was a key inflection point in terms of the
    comprehensive growth plan and strategy we implemented in 2010 in an effort
    to identify and pursue high-value PGM growth targets within our J-M Reef
    ore body in Montana. As a result of that effort begun in 2010, today we
    are pursuing three separate PGM projects– Graham Creek, Far West and Blitz
    – that will broaden the reach of our Montana mines and increase our annual
    production by as much as 20% over the next several years. To that end, 87%
    of our 2013 capex budget has been allocated to maximizing and increasing
    our Montana PGM production.
  *We are working hard towards completing a final updated engineering study
    on Marathon as soon as possible. Our Marathon PGM-copper project in Canada
    remains the only advanced palladium-focused project of scale in North
    America. We are working hard towards a final updated engineering study in
    the third quarter of 2013 and we continue to believe that the project is a
    highly attractive asset for our overall PGM portfolio. Our enthusiasm for
    this project is shared by our partner Mitsubishi Corporation, which
    invested $81 million in Marathon to acquire a 25% stake in March 2012.

Additionally, the Clinton Group has made a number of demands that highlight
their lack of experience in mining and, we believe, will be destructive to the
value of your investment.

  *Abandoning Altar now would be imprudent and value destructive. Our
    world-class Altar copper-gold exploration project in Argentina is a
    natural hedge to any unexpected volatility in PGM pricing, and was
    acquired to provide important asset-class risk and commodity
    diversification. Given the ongoing price re-rating of palladium to
    platinum, coupled with our belief in the sustainability of strong market
    conditions supporting robust PGM pricing, we intend to emphasize
    investment in PGMs. Pursuing “forced” monetization alternatives for Altar
    at this time, particularly given our ability to advance the project on a
    relatively limited budget to prove out its significant upside, will not
    serve to maximize shareholder value.
  *Eliminating palladium marketing removes the only industry support for a
    re-rating against platinum. Every additional ounce of palladium demand we
    can potentially help facilitate, directly or indirectly, is of critical
    importance to our operational results. Outsized demand of palladium
    provides important support for a re-rating vs. platinum and general
    overall price strength. We have seen this occur over the past two years,
    where the palladium price has re-rated to 42% of platinum, on average, vs.
    26% of platinum, on average, for the eight years prior. The impact of this
    re-rating is approximately $120 million of annual cash flow. We cannot
    afford to sit on the sidelines and not exert influence. The fact that we
    are the only one attempting to promote this re-rating, and its
    continuation, is simply reflective of the reality that we are the only
    primary palladium producer of scale in the world. Most of our competitors
    produce platinum as their primary metal and have no interest in promoting
    palladium at the expense of their principal product.
  *Drastically reducing SG&A will impede our growth initiatives and thus our
    ability to create shareholder value. The Clinton Group has no experience
    managing a declining resource, expansion projects or mining at depth.
    Stillwater’s potential for value creation is a direct reflection of the
    way it invests in the business. We have prudently increased SG&A to
    support a stable and efficient annual PGM production target of 500,000
    ounces per year and to put in place the necessary infrastructure to
    support our PGM growth initiatives. We have invested in growth and still
    operate at a much lower cost base than virtually all of our PGM peers.


We have a skilled Board with significant operational and finance experience in
the mining industry and specifically within the countries where we operate. We
have also proactively brought fresh voices into our Boardroom, adding two new
directors with significant mining industry experience in the last six months.
Our management team, led by Frank McAllister, has accomplished a significant
turnaround of this business over the past 12 years. Frank has guided a
strategy that has brought the Company from the verge of extinction when the
palladium price collapsed in 2001-2003 and positioned Stillwater as one of the
most successful, lowest-cost PGM producers in the world.


Protect the value of your investment. To support  your Company’s nominees, who
are committed to looking after the best interests of ALL Stillwater
shareholders, please use your WHITE proxy card to vote TODAY—by telephone,
over the Internet, or by signing, dating and returning the WHITE proxy card in
the postage-paid envelope provided. You are urged to discard any green proxy
card sent to you by the Clinton Group. Even a vote against the Clinton Group’s
nominees on the Clinton Group’s green proxy card will cancel any previous
proxy submitted by you in favor of Stillwater. Please vote only the WHITE
proxy card.

We appreciate all the positive feedback we have received from our
shareholders, and thank you for your support.

Best regards,
Francis R. McAllister
Chairman and Chief Executive Officer

     Your Vote Is Important, No Matter How Many Or How Few Shares You Own

 If you would like to obtain copies of the Company’s proxy materials or have
questions about how to vote your shares, or need additional assistance, please
        contact the firm assisting us in the solicitation of proxies:

                          INNISFREE M&A INCORPORATED
                 Shareholders Call Toll-Free: (877) 825-8906
                Banks and Brokers Call Collect: (212) 750-5833

      We urge you NOT to vote using any green proxy card sent to you by
the Clinton Group, as doing so will revoke your vote on the WHITE proxy card.

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:

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 2011 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.


For Stillwater Mining Company
Mike Beckstead, 406-373-8971
Innisfree M&A Incorporated
Arthur Crozier / Jennifer Shotwell / Scott Winter
Sard Verbinnen & Co
Dan Gagnier / Michael Henson
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