Holding(s) in Company

12 October 2010
IQE plc
("IQE" or the "Company")





+------------------------------------------------------------------------------+
|TR-1: NOTIFICATION OF MAJOR INTEREST IN SHARES(i)                             |
+----------------------------------------------+-------------------------------+
                                               |
+----------------------------------------------+-------------------------------+
|1. Identity of the issuer or the underlying   |                               |
|issuer                                        |            IQE PLC            |
|of existing shares to which voting rights are |                               |
|attached:(ii)                                 |                               |
+----------------------------------------------+-------------------------------+
|2 Reason for the notification (please tick the appropriate box or boxes):     |
+-----------------------------------------------------------------+------------+
|An acquisition or disposal of voting rights                      |            |
+-----------------------------------------------------------------+------------+
|An acquisition or disposal of qualifying financial instruments   |            |
|which may result in the acquisition of shares already issued to  |            |
|which voting rights are attached                                 |            |
+-----------------------------------------------------------------+------------+
|An acquisition or disposal of instruments with similar economic  |            |
|effect to qualifying financial instruments                       |            |
+-----------------------------------------------------------------+------------+
|An event changing the breakdown of voting rights                 |            |
+-----------------------+-----------------------------------------+------------+
|Other (please specify):|Increase in issued Capital               |     X      |
+-----------------------+--------------+--------------------------+------------+
|3. Full name of person(s) subject to  |                                       |
|the                                   |Universities Superannuation Scheme Ltd |
|notification obligation:(iii)         |                                       |
+--------------------------------------+---------------------------------------+
|4. Full name of shareholder(s)        |                                       |
| (if different from 3.):(iv)          |                                       |
+--------------------------------------+---------------------------------------+
|5. Date of the transaction and date on|                                       |
|which the threshold is crossed or     |05/10/10                               |
|reached: (v)                          |                                       |
+--------------------------------------+---------------------------------------+
|6. Date on which issuer notified:     |07/10/10                               |
+--------------------------------------+---------------------------------------+
|7. Threshold(s) that is/are crossed or|3%                                     |
|reached:(vi, vii)                     |                                       |
+-----------------------+--------------+-------+------------------+------------+




+-------------------------------------------------------------------------------------+
|8. Notified details:                                                                 |
+-------------------------------------------------------------------------------------+
|A: Voting rights attached to shares (viii, ix)                                       |
+------------+----------------------+-------------------------------------------------+
|Class/type  |Situation previous    |Resulting situation after the triggering         |
|of          |to the triggering     |transaction                                      |
|shares      |transaction           |                                                 |
|            +----------+-----------+-------------+-------------------+---------------+
|if possible |Number    |Number     |Number       |Number of voting   |% of  voting   |
|using       |of        |of         |of shares    |rights             |rights (x)     |
|the ISIN    |  ares    |V ting     +-------------+----------+--------+------+--------+
|CODE        |          |Rights     |Direct       |Direct    |Indirect|Direct|Indirect|
|            |          |           |             |(xi)      |(xii)   |      |        |
+------------+----------+-----------+-------------+----------+--------+------+--------+
|GB0009619924|14,288,912| 14,288,912|   14,288,912|14,288,912|        | Below|        |
|            |          |           |             |          |        |    3%|        |
+------------+----------+-----------+-------------+----------+--------+------+--------+
|            |          |           |             |          |        |      |        |
+------------+----------+-----------+-------------+----------+--------+------+--------+

+-------------------------------------------------------------------------------------+
|B: Qualifying Financial Instruments                                                  |
+-------------------------------------------------------------------------------------+
|Resulting situation after the triggering transaction                                 |
+--------------+----------+------------------------+-------------------+--------------+
|Type of       |Expiration|Exercise/               |Number of voting   |% of voting   |
|financial     |date(xiii)|Conversion Period(xiv)  |rights that may be |rights        |
|instrument    |          |                        |acquired if the    |              |
|              |          |                        |instrument is      |              |
|              |          |                        |exercised/         |              |
|              |          |                        |converted.         |              |
+--------------+----------+------------------------+-------------------+--------------+
|              |          |                        |                   |              |
+--------------+----------+------------------------+-------------------+--------------+

+-------------------------------------------------------------------------------------+
|C: Financial Instruments with similar economic effect to Qualifying Financial        |
|Instruments (xv, xvi)                                                                |
+-------------------------------------------------------------------------------------+
|Resulting situation after the triggering transaction                                 |
+-------------+---------+----------+-------------+------------+-----------------------+
|Type of      |Exercise |Expiration|Exercise/    |Number of   |% of voting rights     |
|financial    |price    |date      |Conversion   |voting      |(xix, xx)              |
|instrument   |         |(xvii)    |period(xviii)|rights      |                       |
|             |         |          |             |instrument  |                       |
|             |         |          |             |refers to   |                       |
|             |         |          |             |            |                       |
+-------------+---------+----------+-------------+------------+---------------+-------+
|             |         |          |             |            |Nominal        |Delta  |
|             |         |          |             |            +---------------+-------+
|             |         |          |             |            |               |       |
+-------------+---------+----------+-------------+------------+---------------+-------+

+-------------------------------------------------------------------------------------+
|Total (A+B+C)                                                                        |
+------------------------------------+------------------------------------------------+
|Number of voting rights             |Percentage of voting rights                     |
+------------------------------------+------------------------------------------------+
|14,288,912                          |Below 3%                                        |
+------------+++--------+-+--------+++-----------+++---------++-------++-----++-------+




[HUG#1451283]








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