Holding(s) in Company

3i Group PLC
10 May 2007



NOTIFICATION OF MAJOR INTERESTS IN SHARES

On 10 May 2007 3i Group plc ('the Issuer') was notified of the following details
relating to a major interest in its shares.

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


3i Group plc



2. Reason for the notification:



An acquisition or disposal of voting rights



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



AXA S.A, 25 Avenue Matignon, 75008 Paris and its group of companies



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





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



07/05/2007



6. Date on which issuer notified:



08/05/2007



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



10%



8. Notified details:


A: Voting rights attached to shares
Class/type  Situation previous to the         Resulting situation after the triggering transaction
of shares   triggering transaction
 if         Number of Shares Number of Voting Number of      Number of voting rights       % of voting rights
possible                     Rights           shares
using the
ISIN CODE
                                              Direct         Direct         Indirect       Direct        Indirect
B16PV02     46,069,009       46,069,009       9,400,593      9,400,593      37,574,079     2.04          8.15




B: Financial Instruments
Resulting situation after the triggering transaction
Type of financial   Expiration date   Exercise/          Number of voting      % of voting rights
instrument                            Conversion  Period rights that may be
                                      / Date             acquired if the
                                                         instrument is
                                                         exercised/ converted.



Total (A+B)
Number of voting rights      % of voting rights
         46,974,672                    10.19%





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


Name of Company/Fund                                       Number of   % of issued
                                                              Shares share capital
AXA Sun Life plc                                             987,059       0.21406

(fmly Axa Equity & Law Life Assurance Society plc)
Sun Life Unit Assurance Ltd A/c X                             87,601       0.01900
Sun Life Unit Assurance Ltd A/c X                          2,900,000       0.62891
Sun Life Unit Assurance Ltd A/c X                            398,189       0.08635
Sun Life Pensions Management Ltd A/c                       1,090,000       0.23638
Sun Life Assurance Society Plc                               735,679       0.15954
AXA Financial, Inc*                                           70,467       0.01528
AXA Colonia Konzern                                          374,598       0.08124
AXA France*                                                  253,076       0.05488
AXA Rosenberg*                                             1,464,949       0.31770
AXA Financial, Inc*                                       35,774,064       7.75813
Sun Life Pensions Management Ltd                             126,149       0.02736
Sun Life Pensions Management Ltd                               7,422       0.00161
Sun Life Unit Assurance Ltd                                   73,411       0.01592

LTAV UK Equity
Sun Life Unit Assurance Ltd                                  120,773       0.02619

ABL High Alpha
Sun Life Unit Assurance Ltd                                   82,093       0.01780
FTSE All Share Tracker
Sun Life Pensions Management                                 329,968       0.07156

LTAV UK Equity
Sun Life Pensions Management                                 588,629       0.12765

ABL High Alpha
Sun Life Pensions Management                                 394,728       0.08560

FTSE All Share Tracker
Framlington onshore private clients*                          11,523       0.00250
AXA Winterthur                                             1,104,294       0.23948
Total Direct                                               9,400,593       2.03866
Total Indirect                                            37,574,079       8.14849
Total                                                     46,974,672      10.18715
* Indirect holding





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:



Issuer contact details:

Sofia Bernsand, Group Secretariat

Telephone: [phone]




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