Notice

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Stock Exchange Release

Talvivaara Mining Company Plc

25 March 2013

Update on Disposal of Subscription Rights and Shares by Talvivaara's CEO Mr. Pekka Perä

Talvivaara Mining Company Plc (the "Company") today announces that Mr. Pekka Perä, the CEO of the Company, has informed the Company that he has successfully placed 47,960,000 subscription rights and 1,892,225 shares. Mr. Perä will use the proceeds of the disposal to subscribe for new shares in the Company pursuant to the terms of the rights issue announced on 8 March 2013. Following this disposal, Mr. Perä has indicated that he does not intend to sell any further subscription rights or shares.

Enquiries

Talvivaara Mining Company Plc Tel +358 20 7129 800

Pekka Perä, CEO

Saila Miettinen-Lähde, Deputy CEO and CFO

Talvivaara Mining Company Plc

Talvivaara Mining Company is an internationally significant base metals producer with its primary focus on nickel and zinc using a technology known as bioheapleaching to extract metals out of ore. Bioheapleaching makes extraction of metals from low grade ore economically viable. The Talvivaara deposits comprise one of the largest known sulphide nickel resources in Europe. The ore body is estimated to support anticipated production for several decades. Talvivaara has secured a 10-year off-take agreement for 100 per cent of its main output of nickel and cobalt to Norilsk Nickel and entered into a long-term zinc streaming agreement with Nyrstar NV. Talvivaara is listed on the London Stock Exchange Main Market and NASDAQ OMX Helsinki. Further information can be found at www.talvivaara.com.

Disclaimer

The information contained herein shall not constitute an offer to sell or the solicitation of an offer to buy, nor shall there be any sale of the securities referred to herein in any jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration, exemption from registration or qualification under the securities laws of any such jurisdiction. Investors must neither accept any offer for, nor acquire, any securities to which this announcement refers, unless they do so on the basis of the information contained in the applicable Prospectus published or distributed by Talvivaara.

The information contained herein is not for publication or distribution, directly or indirectly, in or into the United States, Canada, Australia, Hong Kong, South Africa or Japan. These written materials do not constitute an offer of securities for sale in the United States, nor may the securities be offered or sold in the United States absent registration or an exemption from registration as provided in the U.S. Securities Act of 1933, as amended, and the rules and regulations thereunder. There is no intention to register any portion of the offering in the United States or to conduct a public offering of securities in the United States.

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