Holding(s) in Company

IQE plc
("IQE" or the "Company")


Notification of Interest


25 August 2009

The Company has been informed that Barclays plc and its subsidiaries
had, on 20 August 2009, increased their indirect notifiable interest
over ordinary 1 pence shares in IQE from below the 5% threshold to
21,797,866 being 5.00% of the issued share capital of the Company.

The total number of the Company's ordinary shares in issue is
436,198,138.


Contacts:
IQE plc ([phone])
Chris Meadows
Phil Rasmussen

Noble & Company Limited (+ 44 20 7763 2200)
John Llewellyn-Lloyd
Jarod Casey

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