Conference call regarding Half-Year Report January – June 2005

Biacore International AB will release its Half-Year Report January – June 2005 on Tuesday, July 19, 2005. To give you an opportunity to discuss the Company’s results with management, we hereby invite you to take part in a conference call on Tuesday, July 19, 2005 at 3 pm CEST – which is 2 pm UK time and 9 a.m. EST time. In case you wish to participate in the call, please call the following number a few minutes before the conference is due to start. +44 (0) 20 7162 0084 Password: Biacore A replay of the call will be available until July 26. To listen, please call the following number: +44 (0) 20 7031 4064 Access code: 668420 Sincerely yours, Biacore International AB Investor Relations Uppsala, July 14, 2005