Holding(s) in Company

IG Group Holdings plc
08 June 2006

8 June 2006

IG Group Holdings plc ('IG', the 'Company' or the 'Group')

Disclosure of Interest in Share Capital

The Company has received notification in accordance with Sections 198-202 of the
Companies Act 1985 that as at 2 June 2006, Janus Capital Management LLC had a
notifiable interest in 26,809,383 ordinary shares in the Company representing
8.l9% of the fully paid issued share capital.




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