Announcement








                  Company Merrill Lynch International
                  TIDM TTP
                  Headline EMM Disclosure
                  Released 11:53 5 Mar 2003
                  Number 3206I






      FORM 38.5 (SUMMARY)

      Lodge with Company Announcements Office and the 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 Merrill Lynch International
      Date of disclosure 05 March 2003
      Date of dealing 04 March 2003
      Telephone number 020 7996 1038
      Please see attached disclosure of dealings under Rule 38.5 in the
      securities of the following companies:
      04 March 2003
      Oxford Glycosciences Plc - Common
      Cambridge Antibody Tech Group - Common
      AMENDMENT
      state which element(s) of 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 disclosure requirements see Rules 8 and 38 of the
      Code. If in doubt contact the Monitoring
      Section of the Panel, Tel. No: 0171 638 0129



      FORM 38.5

      Lodge with Company Announcements Office and the 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
      Dealing inOxford Glycosciences Plc
      Class of securityCommon
      Date of disclosure 05 March 2003
      Date of dealing 04 March 2003
      Name of EMM Merrill Lynch International
      Name of offeree/offeror with whom connected Cambridge Antibody Tech
      Group
      Number of securities purchased 613,387
      Highest price paid* GBP1.92
      Lowest price paid* GBP1.92
      Number of securities sold 610,000
      Highest price paid* GBP1.92
      Lowest price paid* GBP1.92
      *Currency must be stated



      FORM 38.5

      Lodge with Company Announcements Office and the 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
      Dealing in Cambridge Antibody Tech Group
      Class of security Common
      Date of disclosure 05 March 2003
      Date of dealing 04 March 2003
      Name of EMM Merrill Lynch International
      Name of offeree/offeror with whom connectedCambridge Antibody Tech
      Group
      Number of securities purchased Nil
      Highest price paid*n/a
      Lowest price paid*n/a
      Number of securities sold 8,000
      Highest price paid* GBP4.15
      Lowest price paid* GBP4.15
      *Currency must be stated

END