Holding(s) in Company

09 February 2010

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

Holding(s) in Company



+-------------------------------------------------+
| TR-1:Notifications of Major Interests in Shares |
+-------------------------------------------------+

+----------------------------------------------------------------------+-------+
| 1. Identity of the issuer or the underlying issuer of existing shares|IQE PLC|
|    to which voting rights are attached:                              |       |
+----------------------------------------------------------------------+-------+

+------------------------------------------------------------------------------+
| 1. 2:    Reason for notification                                             |
+-------------------------------------------------------------------------+----+
|An acquisition or disposal of voting rights                              |yes |
+-------------------------------------------------------------------------+----+
|An acquisition or disposal of qualifying financial instruments which may |    |
|result in the acquisition of shares already issued to which voting rights| no |
|are attached                                                             |    |
+-------------------------------------------------------------------------+----+
|An acquisition or disposal of instruments with similar economic effect to| no |
|qualifying financial instruments                                         |    |
+-------------------------------------------------------------------------+----+
|An event changing the breakdown of voting rights                         | no |
+-------------------------------------------------------------------------+----+
|Other (please specify):                                                  | no |
+-------------------------------------------------------------------------+----+

+-----------------------------------------------+------------------------------+
|3. Full name of person(s) subject to the       |                              |
|notification                                   | Standard Life Investments Ltd|
|    obligation:                                |                              |
+-----------------------------------------------+------------------------------+
|4. Full name of shareholder(s) (if different   | Vidacos Nominees             |
|from 3.):                                      |                              |
+-----------------------------------------------+------------------------------+
|5. Date of the transaction (and date on which  |                              |
|the threshold                                  |08 February 2011              |
|      is crossed or reached):                  |                              |
+-----------------------------------------------+------------------------------+
|6. Date on which issuer notified:              |09 February 2011              |
+-----------------------------------------------+------------------------------+
|7. Threshold(s) that is/are crossed or reached:|5%                            |
+-----------------------------------------------+------------------------------+








+------------------------------------------------------------------------------+
| 1.                                                                           |
+------------------------------------------------------------------------------+
|A:Voting rights attached to shares                                            |
+---------------------------------------------+--------------------------------+
|         1. Class/type of share        If    |GB0009619924                    |
|            possible use ISIN code           |                                |
+---------------------------------------------+--------------------------------+
|                                                                              |
+------------------------------------------------------------------------------+
|Situation previous to the triggering transaction                              |
+---------------------------------------------+--------------------------------+
|         2. Number of shares                 |         3. Number of voting    |
|                                             |            rights              |
+---------------------------------------------+--------------------------------+
|25,279,325                                   |25,279,325                      |
+---------------------------------------------+--------------------------------+
|                                                                              |
+------------------------------------------------------------------------------+
|Resulting situation after the triggering transaction                          |
+---------------------------+----------------------------+---------------------+
|         4. Number of      |  Number of voting rights   |    Percentage of    |
|            shares         |                            |    voting rights    |
|                           +-----------------+----------+------+--------------+
|                           |     Direct      | Indirect |Direct|   Indirect   |
+---------------------------+-----------------+----------+------+--------------+
|25,934,464                 |    1,200,000    |24,734,464|0.23% |    4.80%     |
+---------------------------+-----------------+----------+------+--------------+

+------------------------------------------------------------------------------+
|B:Qualifying Financial Instruments                                            |
+------------------------------------------------------------------------------+
|Resulting situation after the triggering transaction                          |
+-------------+-------------+--------------+----------------------+------------+
|   Type of   | Expiration  |  Exercise/   | No. of voting rights | Percentage |
|  financial  |    date     |  conversion  | that may be acquired | of voting  |
| instrument  |             | period/date  |  (if the instrument  |   rights   |
|             |             |              | exercised/converted) |            |
+-------------+-------------+--------------+----------------------+------------+
|             |             |              |                      |            |
+-------------+-------------+--------------+----------------------+------------+

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

+-------------------------------------------------------+
| Total (A+B+C)                                         |
+-------------------------+-----------------------------+
| Number of voting rights | Percentage of voting rights |
+-------------------------+-----------------------------+
| 25,934,464              | 5.03%                       |
+-------------------------+-----------------------------+







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Source: IQE plc via Thomson Reuters ONE

[HUG#1487216]