Orion receives positive CHMP opinion for new intensive care sedative, dexdor® (dexmedetomidine)

ORION CORPORATION STOCK EXCHANGE RELEASE 22 July 2011 at 10.55  EEST Orion Corporation has received information that the Committee for Medicinal Products for Human Use (CHMP) of the European Medicines Agency (EMA) has issued a positive opinion recommending the granting of marketing authorisation for dexdor® (dexmedetomidine), a new intensive care sedative. The European Commission is expected to make the final decision on marketing authorisation in the coming months. If approved by the European Commission Orion would receive marketing authorisation for dexdor® in all European Union Member States. Orion submitted a marketing authorisation application for dexmedetomidine for the evaluation by the European Medicines Agency in October 2010. About dexmedetomidine Dexmedetomidine is a sedative agent originated by Orion's pharmaceutical R&D. It is a relatively selective alpha2-agonist which acts on the central nervous system to produce sedation. If dexdor® is granted marketing authorisation in Europe the product will be indicated for sedation of adult ICU (Intensive Care Unit) patients requiring a sedation level not deeper than arousal in response to verbal stimulation (corresponding to Richmond Agitation-Sedation Scale [RASS] 0 to -3). Dexmedetomidine is available with the brand name Precedex® in more than 30 countries outside Europe, including the USA (since 2000) and Japan (since 2004). The distributor for the product outside Europe is Hospira under Orion's license. Orion Corporation Timo Lappalainen Olli Huotari President and CEO SVP, Corporate Functions Contact person: Reijo Salonen, Senior Vice President, Research and Development tel. +358 50 966 3647 Publisher: Orion Corporation Communications Orionintie 1A, FI-02200 Espoo www.orion.fi Orion is an innovative European R&D-based pharmaceutical and diagnostic company with a special emphasis on developing medicinal treatments and diagnostic tests for global markets. Orion develops, manufactures and markets human and veterinary pharmaceuticals, active pharmaceutical ingredients and diagnostic tests. Orion's pharmaceutical R&D focuses on the following core therapy areas: central nervous system drugs, cancer and critical care drugs, and Easyhaler® pulmonary drugs. The Group's net sales in 2010 amounted to EUR 850 million. The Company invested EUR 85 million in research and development. At the end of 2010, the Group had a total of approximately 3,100 employees, of whom 2,450 worked in Finland and 650 in other countries. Orion's A and B shares are listed on NASDAQ OMX Helsinki. This announcement is distributed by Thomson Reuters on behalf of Thomson Reuters clients. The owner of this announcement warrants that: (i) the releases contained herein are protected by copyright and other applicable laws; and (ii) they are solely responsible for the content, accuracy and originality of the information contained therein. Source: Orion Oyj via Thomson Reuters ONE [HUG#1532500]