Notification of Interest

Catlin Group Limited
16 March 2007



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:

Catlin Group Limited


2. Reason for the notification (please place an X inside the appropriate bracket
/s):

An acquisition or disposal of voting rights: (    )

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: ( X )

Other (please specify) : (    )


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

Fidelity International Limited (FIL)


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

State Str Bk and Tr Co LNDN - 188,330
State Str Bk and Tr Co LNDN - 48,580
Northern Trust London - 640,785
JP Morgan, Bournemouth - 351,214
JP Morgan, Bournemouth - 8,796,055
JP Morgan, Bournemouth - 3,070,275
JP Morgan, Bournemouth - 1,007,065
HSBC Bank plc - 442,271
Brown Brothers Harriman and Co - 15,500
Brown Bros Harrimn Ltd Lux - 6,445,052
BNP Paribas, Paris - 11,600
BNP Paribas, Paris (C) - 7,000
Bank of New York Brussels - 62,807


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

Revised due to DTR rules


6. Date on which issuer notified:

15 March 2007


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

N/A


8. Notified details:

A: Voting rights attached to shares

Class/type of shares if possible using the       Situation previous to the Triggering transaction
ISIN CODE                                                    

ISIN                                          Number of shares  Number of voting Rights

BMG196F11004
                                              21,086,534         21,086,534

Resulting situation after the triggering transaction

Class/type of shares if   Number of shares      Number of voting rights            % of voting rights
possible using the ISIN
CODE

ISIN                      Direct                Direct        Indirect             Direct      Indirect

BMG196F11004              21,086,534                          21,086,534                       8.51%


B: Financial Instruments

Resulting situation after the triggering transaction

Type of        Expiration Date      Exercise/Conversion      Number of voting rights   % of voting rights
financial                           Period/ Date             that may be acquired if
instrument                                                   the instrument is
                                                             exercised/ converted.

 Total (A+B)
Number of voting rights     % of voting rights

21,086,534                  8.51%


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

State Str Bk and Tr Co LNDN - 188,330
State Str Bk and Tr Co LNDN - 48,580
Northern Trust London - 640,785
JP Morgan, Bournemouth - 351,214
JP Morgan, Bournemouth - 8,796,055
JP Morgan, Bournemouth - 3,070,275
JP Morgan, Bournemouth - 1,007,065
HSBC Bank plc - 442,271
Brown Brothers Harriman and Co - 15,500
Brown Bros Harrimn Ltd Lux - 6,445,052
BNP Paribas, Paris - 11,600
BNP Paribas, Paris (C) - 7,000
Bank of New York Brussels - 62,807


Proxy Voting:


10. Name of the proxy holder:

Fidelity International Limited (FIL)


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

N/A


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

N/A


13. Additional information:

Prior to the implementation of the EU Transparency Directive, the interests in
shares of FMR Corp and (FMR) and Fidelity International Limited (FIL) were
aggregated together for the purposes of shareholder reporting.  According to the
new DTR rules the indirect holdings of FMR and FIL are now reported separately.
A separate notification is being submitted for FMR.  The holdings are correct as
of close of business on 1 March 2007.


14. Contact name:

William Spurgin


15. Contact telephone number:

020 7626 0486




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