Company GoldmanSachs International TIDM TTP Headline EMM Disclosure Released 11:36 4 Apr 2003 Number 6572J EMM DISCLOSURE FORM 38.5 (SUMMARY) Lodge with a RIS and the Takeover Panel. Use a separate form for each class of securities in which dealings have been made. CONNECTED EXEMPT MARKET- MAKERS: DISCLOSURE UNDER RULE 38.5 OF THE CITY CODE ON TAKEOVERS AND MERGERS Name of EMM Goldman Sachs International Date of disclosure 4 April 2003 Contact name Peter Highton Telephone number +44 207-774-1935 Please see attached disclosure of dealings under Rule 38.5 in the securities of the following companies: Oxford Glycosciences plc AMENDMENT If the attached Rule 38.5 disclosure is to amend a previous disclosure, please state which element(s) of previous disclosure was incorrect: In the case of option business or dealings in derivatives full details should be given on a separate sheet so that the nature of the dealings can be fully understood. For options this should include the number of securities under option, the exercise period (or in the case of exercise, the exercise date), the exercise price and any option money paid or received. For derivatives this should include, at least, the number of reference securities to which they relate (when relevant), the maturity date (or if applicable the closing out date) and the reference price. For full details of the disclosure requirements see Rules 8 and 38 of the Code.If in doubt contact the Monitoring Section of the Panel, Tel. No: 020 7638 0129. Email: monitoring@disclosure.org.uk CONNECTED EXEMPT MARKET-MAKERS/EXEMPT PRINCIPAL TRADERS: DISCLOSURE UNDER RULE 38.5 OF THE CITY CODE ON TAKEOVERS AND MERGERS Dealing in Contract for Difference ("CFD") referenced to Oxford Glycosciences plc Ordinary Shares Date of disclosure 4 April 2003 Date of dealing 3 April 2003 Name of EMM/EPT Goldman Sachs International Name of offeree/offeror with whom connected Oxford Glycosciences plc Product Type Short CFD Maturity Date 19 February 2013 Writing of CFD Number of ordinary shares to which the CFD is referenced 0 CFD reference price 0.00 GBP Sterling Closing out of CFD Number of ordinary shares to which the CFD is referenced 43,000 (customer sold to close) CFD closing out price 1.90318 GBP Sterling Further disclosure should be made where necessary so that the nature of the dealings can be fully understood. END