Holding(s) in Company

3i Group PLC
26 March 2007

NOTIFICATION OF MAJOR INTERESTS IN SHARES



On 26 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):



22/03/2007



6. Date on which issuer notified:



23/03/2007



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     45,452,403       45,452,403       9,431,129      9,431,129      38,797,602     2.05          8.42




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
         48,228,731                    10.46%





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 %  Shares share
                                                         of issued      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*                                          101,087       0.02193
AXA Colonia Konzern                                          374,598       0.08127
AXA France*                                                  245,186       0.05319
AXA Rosenberg*                                             1,550,174       0.33632
AXA Financial, Inc*                                       36,889,632       8.00344
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        0.0025
AXA Winterthur                                             1,104,294       0.23958
Total Direct                                               9,431,129       2.04614
Total Indirect                                            38,797,602       8.41739
Total                                                     48,228,731      10.46353
* 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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