Holding(s) in Company

3i Group PLC
19 March 2008

NOTIFICATION OF MAJOR INTERESTS IN SHARES

On 18 March 2008 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):

17/03/2008

6. Date on which issuer notified:

18/03/2008

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

11%


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 possible Number of Shares Number of Voting Number of     Number of voting rights       % of voting rights
using the                     Rights           shares
ISIN CODE
                                               Direct        Direct         Indirect       Direct        Indirect

GB00B1YW4409 42,668,906       42,668,906       7,120,337     7,120,337      34,639,807     1.86          9.05



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

         41,760,144                    10.91%





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                                              214,397       0.05602

(fmly Axa Equity & Law Life Assurance Society plc)
Sun Life Unit Assurance Ltd A/c X                              74,460       0.01946
Sun Life Unit Assurance Ltd A/c X                           2,235,499       0.58410
Sun Life Unit Assurance Ltd A/c X                             338,460       0.08843
PPP Healthcare Group plc                                       20,700       0.00541
Sun Life Pensions Management Ltd                               50,000       0.01306
Sun Life Pensions Management Ltd A/c                          875,500       0.22875
Sun Life Assurance Society Plc                                145,164       0.03793
AXA Insurance UK                                               87,800       0.02294
AXA Financial, Inc*                                           463,506       0.12111
AXA Colonia Konzern                                         1,771,608       0.46289
AXA France*                                                   311,534       0.08140
AXA Rosenberg*                                              2,559,784       0.66883
AXA Financial, Inc*                                        31,297,464       8.17749
Sun Life Pensions Management Ltd                               31,428       0.00821
Sun Life Pensions Management Ltd                                3,647       0.00095
Sun Life Unit Assurance Ltd                                    75,000       0.01960

LTAV UK Equity
Sun Life Unit Assurance Ltd                                    66,608       0.01740

FTSE All Share Tracker
Sun Life Pensions Management                                  280,472       0.07328

LTAV UK Equity
Sun Life Pensions Management                                  336,949       0.08804

FTSE All Share Tracker
Framlington onshore private clients*                            7,519       0.00196
AXA Winterthur                                                101,276       0.02646
Axa Sun Life With Profits Passive                             274,093       0.07162
Axa Sun Life With Profits Passive                             137,276       0.03587
Total Direct                                                7,120,337       1.86042
Total Indirect                                             34,639,807       9.05079
Total                                                      41,760,144    10.91121
* 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:

Ceris Hayward, Group Secretariat

Telephone: [phone]




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