Holding(s) in Company

Amlin Plc
                  
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TR-1: Notifications of Major Interests in Shares
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1. Identity of the issuer or the underlying issuer of existing Amlin plc
 shares to which voting rights are attached:
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2. Reason for notification (yes/no)
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An acquisition or disposal of voting rights                                             Yes
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An acquisition or disposal of financial instruments which may result in the acquisition
 of shares already issued to which voting rights are attached
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An event changing the breakdown of voting rights
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Other (please specify):______________
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3. Full name of person(s) subject to notification        Aviva plc & its subsidiaries
 obligation:
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4. Full name of shareholder(s) (if different from 3):    Registered Holders:

                                                         BNY Norwich Union Nominees
                                                         Limited                                3,563,039*

                                                         Chase GA Group Nominees
                                                         Limited                                9,444,050*

                                                         Chase Nominees Limited                   383,382*

                                                         CUIM Nominee Limited                   2,707,068*
                                                         * denotes direct interest
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5. Date of transaction (and date on which the threshold  5 June 2007
 is crossed or reached if different):
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6. Date on which issuer notified:                        7 June 2007
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7. Threshold(s) that is/are crossed or reached:          2% to 3% Change at Direct Interest level
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8: Notified Details
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A: Voting rights attached to shares
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Class/type of    Situation previous to the Resulting situation after the triggering transaction
 shares           triggering transaction
If possible use  -----------------------------------------------------------------------------------------
 ISIN code       Number of shares   Number Number of     Number of voting rights  Percentage of voting
                                     of     shares                                 rights
                                     voting              -------------------------------------------------
                                     rights              Direct       Indirect    Direct     Indirect
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  GB0000319581        Below 3%      Below                                 Not                    Not
                                       3%   16,097,539    16,097,539   disclosable  3.00%     disclosable
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B: Financial Instruments
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Resulting situation after the triggering transaction
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Type of financial    Expiration date       Exercise/ conversionNo. of voting rights thatPercentage of
 instrument                                 period/date         may be acquired (if the  voting rights
                                                                instrument
                                                                exercised/converted)
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Total (A+B)
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Number of voting rights                    Percentage of voting rights
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16,097,539                                 3.00
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9. Chain of controlled undertakings through which the voting rights and /or the financial instruments are
 effectively held, if applicable:
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See Section 4
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Proxy Voting:
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10. Name of proxy holder:                  See Section 4
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11. Number of voting rights proxy holder
 will cease to hold:
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12. Date on which proxy holder will cease
 to hold voting rights:
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13. Additional information:
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14 Contact name:                           Charles Pender, Group Company Secretary,
                                           Amlin plc
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15. Contact telephone name:                020 7746 1000
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