Holding(s) in Company

RNS Number:8255P
BRIT Insurance Holdings PLC
16 September 2003



                                  SCHEDULE 10

                   NOTIFICATION OF MAJOR INTERESTS IN SHARES

1. Name of company

BRIT INSURANCE HOLDINGS PLC

2. Name of shareholder having a major interest

AMVESCAP PLC AND SUBSIDIARIES

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

AS PER Q2. SUBSIDIARY COMPANIES OF AMVESCAP HAVE A LARGE NUMBER OF
PORTFOLIO MANAGEMENT CLIENTS FOR WHOM THEY ACT AS INVESTMENT MANAGER AND
INVESTMENT ADVISOR AND BY VIRTUE OF SECTION 203 OF THE COMPANIES ACT
1985 AMVESCAP IS DEEMED TO HAVE THE SAME INTEREST IN THE SHARES.

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

Vidacos Nominees Ltd (142,500,608) (See Q14)
HSBC Nominees Ltd (21,308,589)
Bank of New York (6,416,958)
Northern Trust Nominees Limited (3,382,470)
Chase Nominees Ltd (1,650,000)

5. Number of shares / amount of stock acquired

NOT APPLICABLE

6. Percentage of issued class

NOT APPLICABLE

7. Number of shares / amount of stock disposed

1,635,000

8. Percentage of issued class

0.17%

9. Class of security

ORDINARY 25P SHARES

10. Date of transaction

11 September 2003

11. Date company informed

15 September 2003

12. Total holding following this notification

175,258,625

13. Total percentage holding of issued class following this notification

17.99% (based on issued share capital of 974,053,189 Ordinary 25p
shares)

14. Any additional information

Of the shares registered in the name of Vidacos Nominees Ltd INVESCO
Perpetual High Income Fund is interested in 97,332,833 shares (9.99% of
issued class as defined in Q13). INVESCO Perpetual Income Fund is
interested in 35,138,045 shares (3.61%).

15. Name of contact and telephone number for queries

LUCIE GILBERT 020 7984 8664

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


Date of notification

15 September 2003

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for loss of business or loss of profits) arising in contract, tort or otherwise
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