IQE PLC Holding(s) in Company

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

Notification of Interest

10 August 2009

The Company has been informed that River and Mercantile Asset
Management LLP had, on 6 August 2009, increased their notifiable
interest over ordinary 1 pence shares in IQE from 20,216,200 to
22,306,200 being 5.11% 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
Sam Reynolds

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