Notification of Interest

Catlin Group Limited
04 April 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: ( X )

   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:

   The Cypress Group

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

   a) CMBP II (Cayman) Catlin Ltd
   b) CMBP II Parallel (Cayman) Catlin Ltd

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

   28 March 2007

6. Date on which issuer notified:

   3 April 2007

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

   5%

8. Notified details: Sale of an aggregate of 13,753,349 shares in the issuer by
   the Cypress Group through CMBP II (Cayman) Catlin Ltd and CMBP II Parallel
   (Cayman) Catlin Ltd

A: Voting rights attached to shares

   Class/type of shares if      Situation previous to the Triggering transaction
   possible using the ISIN
   CODE
                                  Number of shares      Number of voting Rights
   $0.01 common shares               a) 13,045,373          a) 13,045,373
   ISIN                              b)    707,976          b)    707,976
   BMG196F11004
 
   Resulting situation after the triggering transaction

   Class/type of shares if      Number of    Number of voting   % of voting
   possible using the ISIN         shares       rights               rights
   CODE
                                Direct       Direct  Indirect  Direct  Indirect
   ISIN                                               
   BMG196F11004                 a) 0         a) 0              a) 0
                                b) 0         b) 0              b) 0


B: Financial Instruments
   Resulting situation after the triggering transaction

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


Total (A+B)
Number of voting rights                      % of voting rights
0                                            0


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

   CMBP II (Cayman) Catlin Ltd - 13,045,373
   CMBP II Parallel (Cayman) Catlin Ltd - 707,976

Proxy Voting:

10. Name of the proxy holder:

    N/A

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:

   Cypress continues to have an interest in 4,414,194 warrants, which are held
   through CMBP II (Cayman) Catlin Ltd and CMBP II Parallel (Cayman) Catlin Ltd.

14. Contact name:

    William Spurgin

15. Contact telephone number:

    020 7626 0486




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