Opcon publishes prospectus concerning trading in newly issued shares

NOT TO BE PUBLISHED OR DISTRIBUTED IN THE US, CANADA, AUSTRALIA, HONG KONG OR JAPAN

Opcon AB (publ) (”Opcon”) has today published a prospectus concerning trading in newly issued shares. The prospectus has been approved by, and registered with, the Swedish Financial Supervisory Authority and is now available on Opcon’s website, www.opcon.se and the website of the Swedish Financial Supervisory Authority, www.fi.se. On 15 October 2009 Opcon announced that the company had carried out a directed share issue that raised SEK 122.5 million prior to costs related to the transaction. The share issue, which comprised 2,500,000 shares, was carried out on 14 October 2009 at a subscription price of SEK 49 per share. The total number of outstanding shares in Opcon Aktiebolag (publ) after the share issue is 24,532,023. For further information, please contact: Niklas Johansson, vice president, Investor Relations, tel. +46 8-466 45 00, +46 70-592 54 53 Opcon AB, Box 15085, 104 65 Stockholm, Sweden Tel. +46 (0)8 466 45 00, fax +46 (0)8 716 76 61 e-mail: info@opcon.se www.opcon.se