Holding(s) in Company

RNS Number:4039N
Chubb PLC
10 July 2003


                                  SCHEDULE 10

                   NOTIFICATION OF MAJOR INTERESTS IN SHARES


1. Name of company

Chubb plc


2. Name of shareholder having a major interest

Merrill Lynch & Co., Inc


3. Please state whether notification indicates that it is in respect of holding
of the shareholder named in 2 above or in respect of a non-beneficial interest
or in the case of an individual holder if it is a holding of that person's
spouse or children under the age of 18

Notification includes interests held by Merrill Lynch Investment Managers Ltd.,
ML Invest Holdings Limited, ML Invest, Inc, Merrill Lynch Group Inc. and Merrill
Lynch & Co., Inc. (which are holding companies of Merrill Lynch Investment
Managers Ltd.)


4. Name of the registered holder(s) and, if more than one holder, the number of
shares held by each of them

Registered Name                                                     Shares held

Nutraco Nominees Limited                                            35,403,859
Possfund Nominees Limited                                            4,016,100
Britel Nominees Limited                                              4,987,500
Treasury of the Government of Isle of Man A/C 5                      1,413,112
Treasury of the Government of Isle of Man A/C 10                       626,481
Merrill Lynch Pension Nominees Limited A/C Noncert                   2,645,248
Chase Nominees Limited                                               6,319,885
Morgan Nominees Limited                                              1,440,890
Bank of New York Nominees Limited                                    6,148,102
Mellon Nominees Limited                                                576,998
Nortrust Nominees Limited                                              237,535
Other Names                                                         27,250,258

5. Number of shares / amount of stock acquired

Not disclosed


6. Percentage of issued class

N/A


7. Number of shares / amount of stock disposed

Not disclosed


8. Percentage of issued class

N/A


9. Class of security

Ordinary shares of 36p each


10. Date of transaction

Not disclosed





11. Date company informed

9 July 2003


12. Total holding following this notification

                                                                    91,065,768


13. Total percentage holding of issued class following this notification

                                                                         10.99%


14. Any additional information

N/A


15. Name of contact and telephone number for queries

K Silverwood  020 7766 4828


16. Name and signature of authorised company official responsible for making
this notification

A J Birchall, Assistant Company Secretary


Date of notification

10 July 2003


The FSA does not give any express or implied warranty as to the accuracy of this
document or material and does not accept any liability for error or omission.
The FSA is not liable for any damages (including, without limitation, damages
for loss of business or loss of profits) arising in contract, tort or otherwise
from the use of or inability to use this document, or any material contained in
it, or from any action or decision taken as a result of using this document or
any such material.






                      This information is provided by RNS
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