SAR - Cyprotex PLC

RNS Number:7121R
Dresdner Klein. Wasserstein Grp Ltd
19 February 2002

                                                                      FORM SAR 3

Lodge with Company Announcements Office and Newstrack, if appropriate, and the
Takeover Panel. A copy must also be sent to the company the shares of which are
acquired.

                                 Date of disclosure...Tuesday, 19 February 2002.

   DISCLOSURE UNDER RULE 3 OF THE RULES GOVERNING SUBSTANTIAL ACQUISITIONS OF
                                SHARES ("SARs")



Date of acquisition ...........................18 February 2002

Acquisition in ............Cyprotex plc.......................(name of company)


(1)   Class of voting shares         Number of shares/rights over shares  If rights over shares acquired,
        (eg ordinary shares)         acquired                             as opposed to the shares
                                                                          themselves, specify nature of
                                                                          rights
                                                  17,809,465
              Ordinary
                                     ....................... shares            N/A
        ...............   
                                     ....................... rights       ...............................

                                     
(2)   Resultant total holding of     Resultant total holding of rights    Total percentage
voting shares (and % of total voting over shares (and % of total voting
shares in issue)                     shares in issue)

      ...17,809,465......(19.697%)   .............N/A........             ...17,809,465... (19.697%)


(3)     Party making disclosure - Dresdner Kleinwort Wasserstein Group Limited

(4)   (a)   Name of person acquiring shares or rights over shares - Dresdner
            Kleinwort Wasserstein Securities Limited

                and, if different, beneficial owner -    N/A

        (b)   Names of any other persons acting by
                agreement or understanding (see SAR 5) - N/A


Signed, for and on behalf of the party named in (3) above


PL Longcroft                                                         JC Wall
                                                                     
Telephone and extension number 020 7475 2194

                     ______________________________________

Note.  Under SAR 5, the holdings of and acquisitions by persons acting by
agreement or understanding must be aggregated and treated as a holding of or
acquisition by one person. Note 3 on SAR 5 requires persons who must aggregate
holdings to disclose certain disposals.

For full details of the SARs disclosure requirements, see Rules 3 and 5 of the
SARs. If in doubt, contact the Panel on Takeovers and Mergers, Monitoring
Section, Tel. No: 020 7638 0129.


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