Holding(s) in Company

IQE PLC
04 June 2007

IQE PLC

4 June 2007


                                    IQE plc

                          (the ''Company'' or ''IQE'')

                            Notification of Interest



The Company was informed on 31 May 2007 that Gartmore Investment Limited and
their subsidiaries had a notifiable interest of 43,216,113 ordinary 1p shares in
IQE, equivalent to 10.03% of the issued share capital of the Company.



This announcement is in accordance with the Disclosure and Transparency Rules
and is in relation to Transitional Provision 7.





Contacts



IQE plc                                   [phone]
Leslie Coventry



Noble & Company Limited                   [phone]
John Llewellyn-Lloyd
Graeme Bayley




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