Holding(s) in Company

3i Group PLC
26 March 2007


NOTIFICATION OF MAJOR INTERESTS IN SHARES

On 23 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:

Revised due to DTR Rules  -see section 13

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

FMR Corp

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

See additional information under 13.

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

Revised due to DTR rules

6. Date on which issuer notified:

23 March 2007

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

N/A

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
GB00B16PV024 13,002,454       13,002,454                                    13,002,454                   2.82%




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

13,002,454                     2.82%





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



See attached schedule



Proxy Voting:



10. Name of the proxy holder: FMR Corp

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:



As discussed with the FSA, prior to the implementation of the EU Transparency
Directive, we aggregated the interests in shares of FMR Corp (FMR) and Fidelity
International Limited (FIL) together for the purposes of shareholder reporting.
According to the new DTR rules we are now reporting the indirect holdings of FMR
and FIL separately. A separate notification is being submitted for FIL. Please
note these holdings are correct as of close of business 22 March 2007.


FMR Corp is the parent holding company of Fidelity Management & Research Company (FMRCO), investment
manager for US mutual funds, and Fidelity Management Trust Company (FMTC), a US state chartered bank
which acts as a trustee or investment manager of various pension and trust accounts.

Issuer Name:                3i Group plc

Total shares held:          13,002,454

Issued share capital:       460,922,034

Shares held                 Nominee                                            Management Company

                137,600     NORTHERN TRUST CO                                  FMRCO
                110,376     MELLON BANK N.A.                                   FMRCO
                650,307     JPMORGAN CHASE BANK                                FMTC
                 21,460     CIBC MELLON TRUST                                  FMTC
              1,674,831     NORTHERN TRUST CO                                  FMTC
              3,178,218     STATE STREET BANK AND TR CO                        FMTC
              3,425,399     BROWN BROTHERS HARRIMAN AND CO                     FMRCO
                  3,800     BROWN BROTHERS HARRIMAN AND CO                     FMTC
                199,310     STATE STREET BANK AND TR CO                        FMRCO
                 53,221     ROYAL TRUST - TORONTO                              FMTC
                 79,900     JPMORGAN CHASE BANK                                FPM
              2,741,800     JPMORGAN CHASE BANK                                FMRCO
                231,724     MELLON BANK N.A.                                   FMTC
                459,368     BANK OF NEW YORK                                   FMTC
                 35,140     BANK OF NEW YORK                                   FMRCO





Issuer contact details:

Ceris Stafford, Group Secretariat

Telephone: [phone]




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