Holding(s) in Company

Amlin Plc
                  


SCHEDULE 10
--------------------------------------------------------------------------------------
NOTIFICATION OF MAJOR INTERESTS IN SHARES
--------------------------------------------------------------------------------------

--------------------------------------------------------------------------------------
1. Name of company
--------------------------------------------------------------------------------------

AMLIN plc
--------------------------------------------------------------------------------------
2. Name of shareholder having a major interest
--------------------------------------------------------------------------------------

FIDELITY INTERNATIONAL LIMITED and FMR CORP.
--------------------------------------------------------------------------------------
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
--------------------------------------------------------------------------------------

HOLDING OF COMPANIES NAMED IN 2 ABOVE AND OF EACH OF THEIR DIRECT AND INDIRECT
 SUBSIDIARIES, INCLUDING FIDELITY INVESTMENT SERVICES LTD.  ALSO COMPRISES NOTIFIABLE
 INTEREST OF MR EDWARD C JOHNSON 3RD, THE PRINCIPAL SHAREHOLDER OF FIDELITY
 INTERNATIONAL LTD AND FMR CORP.  INCLUDES INTERESTS HELD ON BEHALF OF UK AUTHORISED
 UNIT TRUSTS.
--------------------------------------------------------------------------------------
4. Name of the registered holder(s) and, if more than one holder, the number of shares
 held by each of them
--------------------------------------------------------------------------------------
CHASE NOMINEES LTD HOLDS                                                   36,498,435
BROWN BROTHERS HARRIMAN HOLDS                                               3,967,679
HSBC HOLDS                                                                    251,802
CDC FINANCE HOLDS                                                              50,238
MELLON BANK HOLDS                                                             213,314
MELLON NOMINEES LTD HOLDS                                                     359,500
STATE STREET NOMINEES LTD HOLDS                                                96,900
STATE STREET BANK & TRUST CO HOLDS                                          3,255,860
BANK OF NEW YORK, BRUSSELS, HOLDS                                             584,400
NORTHERN TRUST HOLDS                                                        1,107,750
DEUTSCHE BANK HOLDS                                                           351,800
J P MORGAN HOLDS                                                            2,332,372
CHASE MANHATTAN BANK, LONDON, HOLDS                                         1,169,775
HSBC CLIENT HOLDINGS NOMINEES (UK) LIMITED HOLDS                            1,184,100
BBH HOLDS                                                                       8,696
--------------------------------------------------------------------------------------
5. Number of shares/amount of stock acquired
--------------------------------------------------------------------------------------

4,216,556
--------------------------------------------------------------------------------------
6. Percentage of issued class
--------------------------------------------------------------------------------------

+1.1 %
--------------------------------------------------------------------------------------
7. Number of shares disposed
--------------------------------------------------------------------------------------

N/A
--------------------------------------------------------------------------------------
8. Percentage of issued class
--------------------------------------------------------------------------------------

N/A
--------------------------------------------------------------------------------------
9. Class of security
--------------------------------------------------------------------------------------

ORDINARY SHARES OF 25P EACH
--------------------------------------------------------------------------------------
10. Date of transaction
--------------------------------------------------------------------------------------

NOT DISCLOSED
--------------------------------------------------------------------------------------
11. Date company informed
--------------------------------------------------------------------------------------

27 JULY 2004
--------------------------------------------------------------------------------------
12. Total holding following this notification
--------------------------------------------------------------------------------------

51,432,621
--------------------------------------------------------------------------------------
13. Total percentage holding of issued class following this notification
--------------------------------------------------------------------------------------

13.1%
--------------------------------------------------------------------------------------
14. Any additional information
--------------------------------------------------------------------------------------

--------------------------------------------------------------------------------------
15. Name of contact and telephone number for queries
--------------------------------------------------------------------------------------
HARRIET CHARLES 020 7746 1005
--------------------------------------------------------------------------------------
16. Name and signature of authorised company official responsible for making this
 notification
--------------------------------------------------------------------------------------

JEANETTE CLARKE, DEPUTY GROUP COMPANY SECRETARY
DATE OF NOTIFICATION: 27 JULY 2004
--------------------------------------------------------------------------------------