Holding(s) in Company

3i Group PLC
26 March 2007


TR-1:               NOTIFICATION OF MAJOR INTERESTS IN 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:

A sale of shares has caused a subsidiary of Prudential plc to cross 4%
triggering this notification


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

Prudential plc group of companies


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):

22 March 2007


6. Date on which issuer notified:

26 March 2007


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

4%



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 18,532,009       18,532,009       18,484,412    18,484,412                    4.01%



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.

     N/A            N/A                      N/A         N/A                   N/A


Total (A+B)

Number of voting rights      % of voting rights

         18,484,412                     4.01%


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

Prudential plc (Parent Company)

The Prudential Assurance Company Limited (wholly owned subsidiary of Prudential
plc)



Proxy Voting:


10. Name of the proxy holder: N/A

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:

The Prudential Assurance Company Limited (a wholly owned subsidiary of
Prudential plc) has dropped below a 4% notifiable interest triggering this
notification.


                                          Registered Holder                               Holding           %

Prudential plc                                                                         18,484,412        4.01 Total
                                                                                                              Notifiable
                                                                                                              Interest
                                          JP MORGAN NOMINEES                               62,184
                                          PRUCLT HSBC GIS NOM(UK) PAC AC               18,276,857
                                          PRUCLT HSBC GIS NOM(UK) PPL AC                  145,371

The Prudential Assurance Company Limited                                               18,422,228        3.99
                                          PRUCLT HSBC GIS NOM(UK) PAC AC               18,276,857
                                          PRUCLT HSBC GIS NOM(UK) PPL AC                  145,371

Percentage holdings are calculated using an issued share capital of 460,922,034 
ORD GBP0.62784 shares


14. Contact name:     Ceris Stafford



15. Contact telephone number:         020 7975 3414




                      This information is provided by RNS
            The company news service from the London Stock Exchange   D

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