Holding(s) in Company

IP Group PLC
18 September 2006


                            IP Group (the 'Company')


                   Disclosure of material interest in shares


The Company was notified on 18 September 2006 that as at close of business on 13
September 2006, Lehman Brothers International (Europe) had a material interest
in 21,697,954 ordinary shares of 2p each representing 8.98 per cent. of the
issued share capital of the Company.


Contact:

Alan Aubrey

020 7489 5200


18 September 2006



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