Announcement CompanyGoldmanSachs International TIDMTTP HeadlineEMM Disclosure Released11:13 21 Feb 2003 Number7997H RNS Number:7997H GoldmanSachs International 21 February 2003 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 21 February 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: Cambridge Antibody Technology Group plc Oxford Glycosciences plc Celltech Group 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 FORM 38.5 CONNECTED EXEMPT MARKET-MAKERS: DISCLOSURE UNDER RULE 38.5 OF THE CITY CODE ON TAKEOVERS AND MERGERS Dealing in (name of company) Celltech Group plc Class of security Ordinary Shares Date of disclosure 21 February 2003 Date of dealing 20 February 2003 Name of EMM Goldman Sachs International Name of offeree/offeror with whom connected Oxford Glycosciences plc Total number of securities purchased 167,728 Highest price paid* 3.4901 GBP Sterling Lowest price paid* 3.4720 GBP Sterling Total number of securities sold 18,100 Highest price received* 3.5000 GBP Sterling Lowest price received* 3.5000 GBP Sterling *Currency must be stated FORM 38.5 CONNECTED EXEMPT MARKET-MAKERS: DISCLOSURE UNDER RULE 38.5 OF THE CITY CODE ON TAKEOVERS AND MERGERS Dealing in (name of company) Cambridge Antibody Technology Group plc Class of security Ordinary Shares Date of disclosure 21 February 2003 Date of dealing 20 February 2003 Name of EMM Goldman Sachs International Name of offeree/offeror with whom connected Oxford Glycosciences plc Total number of securities purchased 22,200 Highest price paid* 4.3700 GBP Sterling Lowest price paid* 4.3116 GBP Sterling Total number of securities sold 3,875 Highest price received* 4.3126 GBP Sterling Lowest price received* 4.3126 GBP Sterling *Currency must be stated FORM 38.5 CONNECTED EXEMPT MARKET-MAKERS: DISCLOSURE UNDER RULE 38.5 OF THE CITY CODE ON TAKEOVERS AND MERGERS Dealing in (name of company) Oxford Glycoscience plc Class of security Ordinary Shares Date of disclosure 21 February 2003 Date of dealing 20 February 2003 Name of EMM Goldman Sachs International Name of offeree/offeror with whom connected Oxford Glycosciences plc Total number of securities purchased 0 Highest price paid* 0.00 GBP Sterling Lowest price paid* 0.00 GBP Sterling Total number of securities sold 50,000 Highest price received* 1.9000 GBP Sterling Lowest price received* 1.9000 GBP Sterling *Currency must be stated