NEW YORK, April 9, 2013 /PRNewswire/ -- Clinton Group, Inc. (" Clinton"), a stockholder of Stillwater Mining Company (NYSE: SWC), today announced that it has sent a letter to its fellow stockholders, asking them to vote for a new board of directors for Stillwater. The full text of the letter to stockholders is copied below. Clinton also released a comprehensive presentation today for stockholders to review that provides Clinton's analysis of the record of underperformance at Stillwater, an introduction to the Clinton nominees, a description of how the Clinton nominees can help to create value and some questions for the incumbent directors. All of these materials are available to Stillwater Mining stockholders on the http://www.tapstillwater.com website free of charge. The Stillwater annual meeting is scheduled to be held on May 2, 2013. Clinton urges its fellow stockholders to use the GREEN proxy card when voting at this year's annual meeting and to vote for the Clinton nominees. About Clinton Group, Inc. Clinton Group, Inc. is a Registered Investment Advisor based in New York City. The firm has been investing in global markets since its inception in 1991 with expertise that spans a wide range of investment styles and asset classes. Clinton Group, Inc.601 Lexington Avenue, 51 st Floor New York, New York 10022 April 9, 2013 To Our Fellow Stockholders of the Stillwater Mining Company: Clinton Group and funds it manages are stockholders of Stillwater Mining Company (" Stillwater" or the "Company"). We write to encourage you to act with us to change the composition of the Board of Directors at Stillwater to ensure the protection and growth of the Company. We have prepared a 40-page presentation that provides our analysis of the record of underperformance at Stillwater, an introduction to our nominees for the Board, a description of how our nominees can help to create value and some questions for the incumbent directors. We encourage you to review it. It is available at http://www.tapstillwater.com. Most of the members of the sitting Board of Directors have been in place for ten years or more. We believe it is time for some fresh perspective and a new Board. If you agree with us, please vote using the GREEN proxy card and return it today.