ORION CORPORATION STOCK EXCHANGE RELEASE 20 DECEMBER 2012 at 11:22 EET Orion Corporation ("Orion") and Mylan Pharmaceuticals Inc. ("Mylan") have executed a settlement agreement on lawsuit filed by Orion in the United States against Mylan regarding Mylan's submission of abbreviated new drug application ("ANDA") for generic version of Orion's Comtan® product (strength 200 mg). Comtan is used as an adjunct to levodopa/carbidopa therapy to treat patients with idiopathic Parkinson's Disease who experience the signs and symptoms of end-of-dose "wearing-off". Comtan contains entacapone, a COMT enzyme inhibiting agent originated and patented by Orion. The lawsuit was filed by Orion in the U.S. in 2011. Under the terms of the settlement agreement, Mylan may launch generic version of Comtan 200 mg on 1 April 2013 at the earliest. Subject to the Court's approval, the case will be dismissed and the U.S. Patent No. 5,446,194 remains in force. In compliance with the applicable U.S. laws, Orion will file the above agreement with the United States Federal Trade Commission and the United States Department of Justice. Orion Corporation Timo Lappalainen Olli Huotari President and CEO SVP, Corporate Functions Contact person: Olli Huotari, SVP, Corporate Functions tel. +358 10 426 3054 Publisher: Orion Corporation Communications Orionintie 1A, FI-02200 Espoo, Finland Homepage: www.orion.fi Orion is a globally operating Finnish company developing pharmaceuticals and diagnostic tests - a builder of well-being. Orion develops, manufactures and markets human and veterinary pharmaceuticals, active pharmaceutical ingredients and diagnostic tests. The company is continuously developing new drugs and treatment methods. Pharmaceutical R&D focuses on central nervous system drugs, oncology and critical care drugs, and Easyhaler® pulmonary drugs. Orion's net sales in 2011 amounted to EUR 918 million and the company had about 3,400 employees. Orion's A and B shares are listed on NASDAQ OMX Helsinki. [HUG#1666564]