FORM 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Report of Foreign Private Issuer Pursuant to Rule 13a-16 or 15d-16 of the Securities Exchange Act of 1934 For the month of May 2004 Commission File Number 000-28966 Biacore International AB (publ) C/o Biacore International SA Puits-Godet 12 CH-2000 Neuchatel Switzerland (Address of principal executive offices) Indicate by check mark whether the registrant files or will file annual reports under cover Form 20-F or Form 40-F. Form 20-F X Form 40-F Indicate by check mark whether by furnishing the information contained in this Form, the registrant is also thereby furnishing the information to the Commission pursuant to Rule 12g3-2(b) under the Securities Exchange Act of 1934. Yes No X If "Yes" is marked, indicate below the file number assigned to the registrant in connection with Rule 12g3-2(b): Not applicable. DELISTING OF AMERICAN DEPOSITARY RECEIPTS FROM NASDAQ Uppsala, Sweden, May 14, 2004. Biacore International AB (Biacore) today announced that it has requested that its American Depositary Receipts under its trading symbol "BCOR" be delisted from the Nasdaq National Market, effective as of May 21, 2004. This action will not affect the continuing listing of Biacore's shares on Stockholmsborsen. Biacore's shares were registered with the SEC and listed on Nasdaq National Market in 1996 in the form of ADRs, each representing one ordinary share. At such time as the ADRs are delisted from Nasdaq National Market, registered holders will be contacted by the Company's Depositary Bank in respect of the ADRs, JP Morgan, with instructions regarding how to proceed. About Biacore Biacore is a global market leader in Surface Plasmon Resonance (SPR) technology based systems with its own sales operations in the U.S., across Europe, Japan, Australia and New Zealand. A strong patent portfolio protects Biacore's SPR technology, which gives unique real-time insights into biomolecular interactions. Target groups for the Company's products consist primarily of medical and life science research laboratories and pharmaceutical and biotechnology companies around the world. Biacore is focusing on drug discovery and development as its prime areas for future growth. The Company currently has seven systems on the market, the most important of which are: Biacore(r)S51 for applications downstream of high-throughput screening (HTS) including rapid characterization of HTS hits and comprehensive pre-clinical evaluation of lead compounds, Biacore(r)3000, which offers flexibility in key life science research and drug discovery applications upstream of HTS, and Biacore(r)C which is specifically designed for compliant concentration analysis of biopharmaceuticals in GLP/GMP applications. A new SPR array system, which will provide higher information content, is expected to reach the market in 2004. Based in Uppsala, Sweden, the Company is listed on Stockholmsborsen and Nasdaq in the U.S. In 2003 the Company had sales of SEK 515.5 million and an operating income of SEK 29.5 million. Further information on Biacore can be found on the web: www.biacore.com. SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized. Dated: June 11, 2004 Biacore International AB (publ) By: Lars-Olov Forslund Name: Lars-Olov Forslund Title: Chief Financial Officer