Holding(s) in Company

Amlin Plc
                  

TR-1(i): NOTIFICATION OF MAJOR INTERESTS IN SHARES

1. Identity of the issuer or the underlying issuer of existing shares to which
voting rights are attached (ii):

Amlin plc

2. Reason for the notification (please state Yes/No):

An acquisition or disposal of voting rights: Yes

An acquisition or disposal of financial instruments which may result in the
acquisition of shares already issued to which voting rights are attached:

An event changing the breakdown of voting rights:

Other (please specify) :

3. Full name of person(s) subject to the notification obligation (iii):

Invesco Limited

4. Full name of shareholder(s) (if different from 3.) (iv):

5. Date of the transaction (and date on which the threshold is crossed or
reached if different) (v):

19 September 2008

6. Date on which issuer notified:

23 September 2008

7. Threshold(s) that is/are crossed or reached:

9%, 10%

8. Notified details:

A: Voting rights attached to shares

-0-
*T
Class/type of shares if      Situation previous to the Triggering transaction (vi)
 possible using the ISIN
 CODE
                           Number of shares            Number of voting Rights
                                                        (viii)
GB00B2988H17               46,982,563                  46,982,563
*T

Resulting situation after the triggering transaction (vii)

-0-
*T
Class/type of shares if  Number of shares      Number of voting rights (ix)  % of voting rights
 possible using the ISIN
 CODE
                                               Direct (x)   Indirect (xi)    Direct     Indirect
GB00B2988H17             49,555,580                         49,555,580                  10.58
*T

B: Financial Instruments

Resulting situation after the triggering transaction (xii)

-0-
*T
Type of       Expiration Date    Exercise/Conversion   Number of voting rights % of voting rights
 financial     (xiii)             Period/ Date (xiv)    that may be acquired if
 instrument                                             the instrument is
                                                        exercised/ converted.
*T

Total (A+B)

-0-
*T
Number of voting rights  % of voting rights
49,555,580               10.58
*T

9. Chain of controlled undertakings through which the voting rights and/or the
financial instruments are effectively held, if applicable (xv):

Brown Brothers Harriman (New Jersey) - 15,111

Bank of Ireland, Dublin - 191,908

Bank of New York - 73,960

Bank of New York, Brussels - 46,916

Citibank Hong Kong - 111,477

Chase Bank - 4,216,335

Citibank - 31,360,817

HSBC Bank - 910,907

Mellon Bank, Pittsburgh - 375,840

State Street Trust & Banking - 5,416,738

Trust & Custody Services - 5,786

Northern Trust Company, London - 641,628

AiM - 6,067,236

Other - 120,921

Proxy Voting:

10. Name of the proxy holder:

11. Number of voting rights proxy holder will cease to hold:

12. Date on which proxy holder will cease to hold voting rights:

13. Additional information:

14. Contact name:

Charles Pender, Group Company Secretary

15. Contact telephone number:

020 7746 1000

Annex to Notification Of Major Interests In Shares (xvi)

A: Identity of the person or legal entity subject to the notification obligation

Full name (including legal form for legal entities):

Invesco Limited

Contact address (registered office for legal entities):

Phone number:

Samantha Edwards 01491 416381

Other useful information (at least legal representative for legal persons):

B: Identity of the notifier, if applicable (xvii)

Full name:

Amlin plc

Contact address:

St Helen's, 1 Undershaft, London, EC3A 8ND

Phone number:

020 7746 1000

Other useful information (e.g. functional relationship with the person or legal
entity subject to the notification obligation):

C: Additional information :