SUBSCRIPTION WARRANTS IN ROTTNEROS AB

A decision was made at the AGM of Rottneros on 22 April 2010 to issue no more than 30 million subscription warrants to be used for a subscription warrant programme for eight senior executives. The subscription period has now expired and 12 million subscription warrants will be assigned to those entitled to subscribe. The price per option amounts to SEK 0.10. Ten subscription warrants are required to subscribe for one new ordinary share. The issue price amounts to SEK 9.75 per share and it is possible to subscribe for shares during the period 17 May 2011 to 16 May 2013. The company intends to cancel subscription warrants that have not been assigned. The dilution effect will amount to 0.8 per cent in the event that all the warrants are exercised.

For further information please contact:

Tomas Hedström, Chief Financial Officer, +46 8 590 010 00

Rottneros discloses the information provided herein pursuant to the Securities Markets Act and/or the Financial Instruments Trading Act. The Information was submitted for publication on 19 May 2010 at 17.15 CET.

Rottneros is an independent producer of market pulp. The Group comprises the parent company Rottneros AB, listed on NASDAQ OMX Stockholm, and its subsidiaries Rottneros Bruk AB and Vallviks Bruk AB with operations involving the production and sale of market pulp. The Group also includes the wood procurement company Rottneros Baltic SIA in Latvia and the sales company Rottneros S.A. in Belgium. The Rottneros Packaging AB division produces food packaging made from paper pulp. The Group has around 350 employees and had a turnover of approximately SEK 1.5 billion in the 2009 financial year.