Holding(s) in Company

Holding(s) in Company

Amlin Plc

TR-1: NOTIFICATION OF MAJOR INTERESTS IN SHARES

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

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:

Capital Group International, Inc.

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

	Â	Number of shares	Â	Percent of Outstanding
Capital Group International, Inc. (“CGII”) holdings		13,967,970		2.973%
				Â
Holdings by CGII Management Companies and Funds:
Capital Guardian Trust Company		10,808,506		2.301%
Capital International Limited		2,745,491		0.584%
Capital International S.A.		282,373		0.060%
Capital International, Inc.		131,600		0.028%

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

18 December 2008

6. Date on which issuer notified:

19 December 2008

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

3%

8. Notified details:

A: Voting rights attached to shares

Class/type of shares if possible using the ISIN CODE	Â	Situation previous to the Triggering transaction
		Number of shares	Â	Number of voting Rights
GB00B2988H17		14,985,567		14,985,567

Resulting situation after the triggering transaction

Class/type of shares if possible using the ISIN CODE

Â

Number of shares

Â

Number of voting rights

Â

% of voting rights

Direct

Â

Indirect

Direct

Â

Indirect

Direct

Â

Indirect

GB00B2988H17

13,967,970

13,967,970

2.97

B: Financial Instruments

Resulting situation after the triggering transaction

Type of financial instrument

Expiration Date

Exercise/Conversion Period/ Date

Number of voting rights that may be acquired if the instrument is exercised/ converted.

% of voting rights

Total (A+B)

Number of voting rights	Â	% of voting rights
13,967,970		2.97

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

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

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

Full name (including legal form for legal entities):

Capital Group International, Inc.

Contact address (registered office for legal entities):

11100 Santa Monica Blvd., 15^th Floor, Los Angeles, CA 90025

Phone number:

Vivien Tan (USA) [phone]

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

B: Identity of the notifier, if applicable

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: