Press Release 17th of September, 2009 Opus is joining First North Premier Opus Prodox AB (publ) has been approved by NASDAQ OMX for joining First North's new market segment, First North Premier. First North Premier involves stricter requirements on information disclosure and accounting principles than the normal rules on First North. The higher demands improve the possibility for investors to evaluate and compare companies on the new market segment. For additional information see http://nasdaqomx.com/listingcenter/firstnorth/premier. “Preparations for a future listing of Opus on OMX Small Cap continue, although in a slower pace as a result of the current market climate. The list exchange to First North Premier is a natural step in this process where we continuously raise the company's ambitions with regards to market communication and corporate governance”, says Opus Chairman Göran Nordlund. The first day of trading on NASDAQ OMX First North Premier will be September 22, 2009. Opus will also continue to be traded under the ticker OPUS. This press info is available in Swedish at www.opus.se For additional information, please contact Magnus Greko, President and CEO Opus Prodox AB (publ) Phone: +46 (0) 31 748 34 91, +46 (0) 705 58 45 91 E-mail: magnus@opus.se WEB: www.opus.se Opus' Certified Adviser Thenberg & Kinde Fondkommission AB Box 2108 SE-403 13 Gothenburg Sweden Phone: +46 (0) 31 745 50 00 The Opus Group is in the business of developing, producing and selling products and services within Automotive Test Equipment, Vehicle Inspection Systems and Fleet Management for the global market. The products include emission analyzers, diagnostic equipment, and automatic test lines. Services include management of mandatory vehicle inspection programs. The Group sells its products and services in more than 50 countries all over the world and currently employs around 170 persons. The turnover for 2008 was SEK 175 million pro forma (including acquisitions). Opus' share is listed on First North (NASDAQ OMX) under the ticker OPUS.