Rule 8 - Cambridge Antibody Technology Group plc

     
BW20030219000281  20030219T143302Z UTC


( BW)(WELLINGTON-MANAGEMENT)(CAT) Rule 8 - Cambridge Antibody Technology Group plc

    Business Editors
    UK REGULATORY NEWS

    BOSTON--(BUSINESS WIRE)--Feb. 19, 2003--

DISCLOSURE UNDER RULES 8.1/8.3
                                                                                                           FORM 8.1/8.3

Lodge with a RIS or Newstrack and the Takeover Panel. Use separate
form for each class of securities in which dealings have been made.

                                                                                 Date of disclosure...19 February, 2003

DISCLOSURE UNDER RULES 8.1(a), 8.1(b)(i) AND 8.3
OF THE CITY CODE ON TAKEOVERS AND MERGERS

Date of dealing...18 February, 2003

Dealing in...Cambridge Antibody Technology Group plc.............(name of company)

(1)  Class of securities (eg ordinary shares)..........Ordinary shares

(2)  Amount bought                      Amount sold                          Price per unit
                194,147                                                                   4.600



(3)  Resultant total of the same   1,344,200.........................................................(3.70%)

(4)  Party making disclosure .Wellington Management Company, LLP

(5)  EITHER     (a)Name of purchaser/vendor (Note 1)...................................................
     OR         (b)If dealing for discretionary client(s), name of fund management organisation

Wellington Management Company, LLP


(6)  Reason for disclosure (Note 2)
     (a) associate of (i)  offeror (Note 3)                                                                     NO
                      (ii) offeree company                                                                      NO

     Specify which category or categories of associate (1-8 overleaf) ...............................................

     If category (8), explain........................................................................................


     (b) Rule 8.3 (ie disclosure because of ownership or control of 1% or more of
         the class of relevant securities dealt in)                                                             YES

Signed, for and on behalf of the party named in (4) above............................................................

(Also print name of signatory) Brian P. Hillery

Telephone and extension number  617-790-7747

                             --------------------------------------

Note 1. Specify owner, not nominee or vehicle company. If relevant,
    also identify controller of owner, eg where an owner normally acts
    on instructions of a controller.

Note 2. Disclosure might be made for more than one reason; if so,
    state all reasons.

Note 3. Specify which offeror if there is more than one.

Note 4. When an arrangement exists with any offeror, with the offeree
    company or with an associate of any offeror or of the offeree
    company in relation to relevant securities, details of such
    arrangement must be disclosed, as required by Note 6 on Rule 8.

Note 5. It may be necessary, particularly when disclosing derivative
    transactions, to append a sheet to this disclosure form so that
    all relevant information can be given.

Note 6. In the case of an average price bargain, each underlying trade
    should be disclosed.

For full details of disclosure requirements, see Rule 8 of the Code.
If in doubt, contact the Panel on Takeovers and Mergers, Monitoring
Section, Tel. No: 020 7638 0129. E-mail:[e-mail]

   Short Name: Wellington Management
   Category Code: DCC
   Sequence Number: 00002108
   Time of Receipt (offset from UTC): 20030219T142900+0000

    --30--FG/uk*

    CONTACT: Wellington Management
             

    KEYWORD: MASSACHUSETTS UNITED KINGDOM INTERNATIONAL EUROPE
    INDUSTRY KEYWORD: BANKING
    SOURCE: Wellington Management

Today's News On The Net - Business Wire's full file on the Internet
                          with Hyperlinks to your home page.
                          URL: http://www.businesswire.com