Biohit Oyj and Swedish Remium AB have signed a market making agreement that follows the guidelines set by the Helsinki Stock Exchange on 5 April 2004. According to the agreement Remium AB will quote bids and offers for Biohit Oyj's share so that the maximum difference between a bid and offer price is 4 per cent of the bid. Bids or offers include at least 1500 shares. Remium AB shall quote bids and offers for Biohit Oyj's share in the trading system of the Helsinki Stock Exchange Small Cap list on each trading day for at least 85 per cent of the continuous trading period and also in the daily opening and closing procedures applicable to the security. Market making in accordance with the LP agreement will commence on 1 June 2007. The agreement will be in force initially for a fixed term of six (6) months and thereafter until further notice, and the agreement's period of notice is one (1) month. The purpose of the contract is to secure the liquidity of Biohit Oyj shares and to keep a narrow spread between the bids and offers for Biohit Oyj shares. Biohit Oyj Osmo Suovaniemi President & CEO Further information: Osmo Suovaniemi, M.D., Ph.D., Professor President & CEO Tel: +358 9 773 861 Mobile: +358 40 745 5605 Email: osmo.suovaniemi@biohit.com Remium Ab Christoffer Häggblom, tel +46 704 188 201 christoffer.haggblom@remium.com www.remium.com Distribution: Helsinki Exchanges Financial Supervisory Authority Press http://www.biohit.com