IQE plc : Holding(s) in Company

28 October 2011

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     |IQE PLC|
|shares to which voting rights are attached:                           |       |
+----------------------------------------------------------------------+-------+

+------------------------------------------------------------------------------+
|2:    Reason for notification (yes/no)                                        |
+--------------------------------------------------------------------------+---+
|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                                  | 27 October 2011              |
|                                               |                              |
|      is crossed or reached):                  |                              |
+-----------------------------------------------+------------------------------+
|6. Date on which issuer notified:              | 28 October 2011              |
+-----------------------------------------------+------------------------------+
|7. Threshold(s) that is/are crossed or reached:| 6%                           |
+-----------------------------------------------+------------------------------+












+------------------------------------------------------------------------------+
|8:    Notified Details                                                        |
+------------------------------------------------------------------------------+
|A:   Voting rights attached to shares                                         |
+---------------------------------------------------+--------------------------+
|Class/type of share            If possible use ISIN|GB0009619924              |
|code                                               |                          |
+---------------------------------------------------+--------------------------+
|                                                                              |
+------------------------------------------------------------------------------+
|Situation previous to the triggering transaction                              |
+---------------------------------------------------+--------------------------+
|Number of shares                                   |Number of voting rights   |
+---------------------------------------------------+--------------------------+
|31,597,099                                         |31,597,099                |
+---------------------------------------------------+--------------------------+
|                                                                              |
+------------------------------------------------------------------------------+
|Resulting situation after the triggering transaction                          |
+----------------+---------------------------------------------+---------------+
|Number of shares|Number of voting rights                      |Percentage of  |
|                |                                             |voting rights  |
|                +----------------------------------+----------+------+--------+
|                |Direct                            |Indirect  |Direct|Indirect|
+----------------+----------------------------------+----------+------+--------+
|26,454,247      |6,207,872                         |20,246,375|1.18% |3.86%   |
+----------------+----------------------------------+----------+------+--------+

+------------------------------------------------------------------------------+
|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 |
+-------------------------+-----------------------------+
|  26,454,247             | 5.04%                       |
+-------------------------+-----------------------------+




+------------------------------------------------------------------------------+
|9. Chain of controlled undertakings through which the voting rights and/or the|
|financial instruments are effectively held, if applicable:                    |
+------------------------------------------------------------------------------+
|                                                                              |
|                                                                              |


+----------------------------------------------------------------------+
| Proxy Voting:                                                        |
|                                                                      |
|                                                                      |
+------------------------------------------------------------------+---+
| 10. Name of the proxy holder:                                    |   |
|                                                                  |   |
|                                                                  |   |
+------------------------------------------------------------------+---+
| 11. Number of voting rights proxy holder will cease to hold:     |   |
|                                                                  |   |
|                                                                  |   |
+------------------------------------------------------------------+---+
| 12. Date on which proxy holder will cease to hold voting rights: |   |
|                                                                  |   |
|                                                                  |   |
+------------------------------------------------------------------+---+

+-------------------------------+---------------------------------+
| 13. Additional information:   |                                 |
|                               |                                 |
|                               |                                 |
+-------------------------------+---------------------------------+
| 14. Contact name:             | [e-mail] |
|                               | Standard Life Investments Ltd   |
|                               |                                 |
+-------------------------------+---------------------------------+
| 15. Contact telephone number: |                                 |
|                               | [phone]                 |
|                               |                                 |
+-------------------------------+---------------------------------+















This announcement is distributed by Thomson Reuters on behalf of 
Thomson Reuters clients. The owner of this announcement warrants that: 
(i) the releases contained herein are protected by copyright and 
    other applicable laws; and 
(ii) they are solely responsible for the content, accuracy and 
     originality of the information contained therein. 
    
Source: IQE plc via Thomson Reuters ONE

[HUG#1559209]