Rule 8 - Chubb plc

RNS Number:7622N
Merrill Lynch Investment ManagersLd
21 July 2003

     FORM 8.1/8.3

Lodge with Company Announcements Office (which will publicise and copy to the
Panel). Use separate form for each class of securities in which dealings have
been made.

     Date of disclosure: 21st July, 2003

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

Date of dealing: 17th July, 2003

Dealing in:           Chubb plc          (Name of Company)

(1) Class of securities: 36p Ordinary Shares      (eg ordinary shares):

(2)

Amount bought                Amount sold                      Price per unit
                             739,301                          75.75p

(3)     Resultant total of the same class owned or controlled

        (and percentage of class 59,906,581     (7.22%)

(4)     Party making disclosure : MERRILL LYNCH INVESTMENT MANAGERS LIMITED



(5)     EITHER (a) Name of purchaser/vendor (note 1)

     OR (b) If dealing for discretionary client(s), name of fund management
     organisation:

      MERRILL LYNCH INVESTMENT MANAGERS LIMITED



(6)     Reason for disclosure (Note 2)

     (a) associate of (i) offeror (Note 3)     XXX/NO

                     (ii) offeree company     YES/XX

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


             If category (8), explain ...Category 6.......................................

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

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

(Also print name of signatory): Keli Walters


Telephone and extension number 020 7964 7492





        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.
        ........................................................................................



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