Holding(s) in Company

3i Group PLC
20 March 2007

NOTIFICATION OF MAJOR INTERESTS IN SHARES



On 20 March 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):



02/03/2007



6. Date on which issuer notified:



05/03/2007 (see 13 below)



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





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                                       9,432,130      9,432,130      27,588,150     2.05          5.99




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
         37,020,280                     8.03%





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           0.21415
(fmly Axa Equity & Law Life Assurance Society plc)

Sun Life Unit Assurance Ltd A/c X                     87,601            0.01901

Sun Life Unit Assurance Ltd A/c X                     2,906,787         0.63065

Sun Life Unit Assurance Ltd A/c X                     398,189           0.08639

Sun Life Pensions Management Ltd A/c                  1,100,000         0.23865

Sun Life Assurance Society Plc                        735,679           0.15961

AXA Financial, Inc*                                   26,651            0.00578

AXA Colonia Konzern                                   374,598           0.08127

AXA France*                                           245,186           0.05319

AXA Rosenberg*                                        1,418,942         0.30785

AXA Financial, Inc*                                   25,885,848        5.61610

Sun Life Pensions Management Ltd                      128,943           0.02798

Sun Life Pensions Management Ltd                      7,422             0.00161

Sun Life Unit Assurance Ltd                           73,411            0.01593

LTAV UK Equity
Sun Life Unit Assurance Ltd                           124,944           0.02711

ABL High Alpha
Sun Life Unit Assurance Ltd                           82,879            0.01798

FTSE All Share Tracker
Sun Life Pensions Management                          329,968           0.07159

LTAV UK Equity
Sun Life Pensions Management                          594,627           0.12901

ABL High Alpha
Sun Life Pensions Management                          394,728           0.08564

FTSE All Share Tracker
Framlington onshore private clients*                  11,523            0.00250

AXA Winterthur                                        1,105,295         0.23980

Total Direct                                          9,432,130         2.04636
                                                                      
Total Indirect                                        27,588,150        5.98543

Total                                                 37,020,280        8.03179

* 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:

Notification letter was dated 05/03/2007 but was received by the Issuer on 20/03
/2007.



Issuer contact details:

Sofia Bernsand, Group Secretariat

Telephone: [phone]




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