Holding(s) in Company

IP Group PLC
19 March 2008



TR-1(i): NOTIFICATION OF MAJOR INTERESTS IN SHARES


1. Identity of the issuer or the underlying issuer of existing shares to which
voting rights are attached (ii):

IP Group Plc


2. Reason for the notification (please state Yes/No): ( )


An acquisition or disposal of voting rights: ( Yes )


An acquisition or disposal of financial instruments which may result in the
acquisition of shares already issued to which voting rights are attached: ( No )


An event changing the breakdown of voting rights: ( No )


Other (please specify) :


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

Lehman Brothers International (Europe)


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

N/A


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

17/03/08


6. Date on which issuer notified:

19/03/08


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

9%


8. Notified details:

N/A


A: Voting rights attached to shares

Class/type of shares if possible using    Situation previous to the Triggering
the ISIN CODE                                       transaction (vi)
                                        Number of      Number of voting Rights
                                        shares         (viii)

Ordinary Shares                           31,255,148                31,255,148
GB00B128J450



Resulting situation after the triggering transaction (vii)

Class/type of shares if     Number of    Number of voting       % of voting
possible using the ISIN     shares       rights (ix)            rights
CODE

                            Direct       Direct (x)    Indirect Direct  Indirect
                                                       (xi)

                            24,387,721    24,387,721   N/A       9.74%  N/A


B: Financial Instruments

Resulting situation after the triggering transaction (xii)

Type of     Expiration Exercise/       Number of voting rights that may  % of
financial   Date       Conversion      be acquired if the instrument is  voting
instrument  (xiii)     Period/ Date    exercised/ converted.             rights
                       (xiv)



                             N/A



Total (A+B)
Number of voting rights                      % of voting rights

                                24,387,721                                9.74%


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

N/A


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:

N/A


14. Contact name:

Greg Smith


15. Contact telephone number:

020 7444 0070




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