Fisher Scientific International Inc. extends its offer to the shareholders and certain warrant holders of Perbio Science

This press release may not be released, published or distributed, directly or indirectly, in or into the United States of America, Australia, Japan, Canada, New Zealand or South Africa. Fisher Scientific International Inc. extends its offer to the shareholders and certain warrant holders of Perbio Science AB Fisher has today decided to extend the acceptance period for its cash offer (the "Offer") to purchase all of the outstanding shares and all of the outstanding warrants issued under the 1999 warrant program of Perbio Science AB (publ) ("Perbio" or the "Company") until 4.00 P.M. August 25, 2003. All terms and conditions of the Offer remain the same. The Board of Directors of Perbio has unanimously recommended the acceptance of the Offer. The Board of Directors and management of Perbio have undertaken to tender their shares and warrants under the Offer. Based upon future events and circumstances occurring during and at the end of our tender offer, including the number of shares tendered, Fisher may consider waiving the 90% minimum acceptance condition. Stockholm, Sweden, 14 August 2003 FSII Sweden Holdings AB For further information, please contact: Nordea Securities Telephone number: +46 8 678 0440 ------------------------------------------------------------ This information was brought to you by Waymaker http://www.waymaker.net The following files are available for download: http://www.waymaker.net/bitonline/2003/08/14/20030814BIT00790/wkr0001.doc http://www.waymaker.net/bitonline/2003/08/14/20030814BIT00790/wkr0002.pdf