The Board of Directors of Orion Corporation decided on 6 August 2007 on a share repurchase based on the authorisation by the Annual General meeting on 2 April 2007. According to the decision, up to 350,000 Class B shares of Orion Corporation will be acquired. The repurchase will be started no sooner than one week after the publication of this stock exchange release. The Board of Directors of Orion Corporation has an authorisation by the AGM held on 2 April 2007 to decide on the acquisition of no more than 2,400,000 B-shares of the company. At its meeting on 6 August 2007, the Board decided to repurchase no more than 350,000 B-shares of Orion Corporation, based on the said authorisation. According to the decision, the acquisition of the shares will be executed in accordance with the terms of the authorisation by the AGM. The repurchase will be started no sooner than one week after the decision has been published in a stock exchange release. The shares will be repurchased using funds in the company's non-restricted equity and they are acquired in public trade on the Helsinki Stock Exchange in proportions not corresponding to the shareholders' holdings. The shares will be acquired and paid for in accordance with the rules of the Helsinki Stock Exchange and the Finnish Central Securities Depository Ltd. The shares will be acquired to be used as part of the execution of the Share-based Incentive Plan 2007 for Orion Group Executives. There is a weighty financial reason for the targeted share repurchases, because the purpose of the share-based incentive plan is to encourage the persons involved in it to sustained commitment and efforts for the benefit of the company and its shareholders. The terms and conditions of the authorisation to acquire the company's own shares are attached to this release. They were published in the stock exchange release of 2 April 2007 concerning the decisions of the AGM. The 2006 Financial Statements documents of Orion Corporation as well as the interim reports published so far for 2007 are available on the homepage www.orion.fi, as provided in the Companies Act. Orion Corporation Jukka Viinanen Olli Huotari President and CEO Senior VP, Corporate Functions Contact persons: Olli Huotari, Senior VP, Corporate Functions, phone +358 10 426 3054 Anne Allo, VP, Communications, phone +358 50 966 3735 Attached: Authorisation concerning the acquisition of the company's own shares APPENDIX Authorisation concerning the acquisition of the company's own shares The Board of Directors of Orion Corporation was authorised by the AGM of 2007 to decide on the acquisition of the company's own shares on the following terms and conditions: Maximum amount of shares to be acquired On the basis of the authorisation, the Board of Directors shall be entitled to decide on the acquisition of no more than 2,400,000 B-shares of Orion Corporation. Consideration to be paid for the shares The own shares shall be acquired at the price of the acquisition moment quoted in public trade on the Helsinki Stock Exchange, using funds in the company's non-restricted equity. Targeted acquisition The own shares shall be acquired in public trade on the Helsinki Stock Exchange in a proportion not corresponding to the shareholders' holdings. The shares shall be acquired and paid for in accordance with the rules of the Helsinki Stock Exchange and the Finnish Central Securities Depository Ltd. Holding, invalidation and conveyance of the shares The shares acquired can be kept, invalidated, or further conveyed by the company. The shares can be acquired for the purpose of developing the capital structure of the company, for using them for financing possible corporate acquisitions or other business arrangements of the company, for financing capital expenditure, as part of the company's incentive systems, or otherwise conveying or invalidating them. No more than 350,000 B-shares of the company can be acquired for the company's incentive system, for conveyance to the persons included in the system. Other terms and validity The Board of Directors shall decide on other matters related to the acquisition of own shares. The authorisation to acquire own shares shall be valid until the end of the year 2008 Annual General Meeting of the Shareholders. Publisher: Orion Corporation Communications Orionintie 1A, FI-02200 Espoo Homepage: www.orion.fi