Transaction in Own Shares

Amlin Plc
                  

Amlin plc

Purchase of own shares

Amlin plc ('Amlin') announces that it has purchased the following number of its
ordinary shares of 28.125 pence each on the London Stock Exchange via ABN AMRO
Bank NV.

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Date of purchase                                                      4 August 2008
Number of ordinary shares purchased:                                        250,000
Highest price paid per share                                                261.00p
Lowest price paid per share:                                                258.50p
Volume weighted average price paid per share:                               260.20p
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Amlin intends to hold the purchased shares in treasury.

Following the purchases of these shares, Amlin holds 10,765,000 of its ordinary
shares in treasury and has 467,808,439 ordinary shares in issue (excluding
treasury shares).

4 August 2008

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Enquiries:

Charles Pender
Company Secretary
Amlin plc

020 7746 1000
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