Holding(s) in Company

30 April 2010

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



+------------------------------------------------------------------------------+
|TR-1: Notifications of Major Interests in Shares                              |
+----------------------------------------------+-------------------------------+
|1. Identity of the issuer or the underlying   |IQE PLC                        |
|issuer of existing 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 financial instruments which may result in  |No  |
|the acquisition of shares already issued to which voting rights are      |    |
|attached                                                                 |    |
+-------------------------------------------------------------------------+----+
|An acquisition or disposal of instruments will similar economic effect to|No  |
|qualifying financial instruments                                         |    |
+-------------------------------------------------------------------------+----+
|                                                                         |No  |
|An event changing the breakdown of voting rights                         |    |
+-------------------------------------------------------------------------+----+
|                                                                         |No  |
|Other (please specify):______________                                    |    |
+----------------------------------+--------------------------------------+----+
|3. Full name of person(s) subject |Swedbank Robur AB                          |
|to notification obligation:       |                                           |
|                                  |                                           |
+----------------------------------+-------------------------------------------+
|4. Full name of shareholder(s) (if|Swedbank Robur Smabolagsfond Europa        |
|different from 3):                |                                           |
|                                  |                                           |
+----------------------------------+-------------------------------------------+
|5. Date of transaction (and date  |28 April 2010                              |
|on which the threshold is crossed |                                           |
|or reached if different):         |                                           |
|                                  |                                           |
+----------------------------------+-------------------------------------------+
|6. Date on which issuer notified: |30 April 2010                              |
|                                  |                                           |
+----------------------------------+-------------------------------------------+
|7. Threshold(s) that is/are       |3%                                         |
|crossed or reached:               |                                           |
|                                  |                                           |
+----------------------------------+-----------+--------------------------+----+





+------------------------------------------------------------------------------+
|8: Notified Details                                                           |
+------------------------------------------------------------------------------+
|A: Voting rights attached to shares                                           |
|                                                                              |
+-------------+---------------+------------------------------------------------+
|Class/type of|Situation      |Resulting situation after the triggering        |
|shares       |previous to the|transaction                                     |
|If possible  |triggering     |                                                |
|use ISIN code|transaction    |                                                |
|             +-------+-------+------------+-------------------+---------------+
|             |Number |Number |Number of   |Number of voting   |Percentage of  |
|             |of     |of     |shares      |rights             |voting rights  |
|             |shares |voting |            +----------+--------+------+--------+
|GB0009619924 |       |rights |            |Direct    |Indirect|Direct|Indirect|
|             |       |       | 15,294,000 |          |        |      |        |
|             |n/a    |n/a    |            |15,294,000|        |3.44% |        |
+-------------+-------+-------+------------+----------+--------+------+--------+


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


+-------------------------------------------------------+
| Total (A+B+C)                                         |
|                                                       |
+-------------------------+-----------------------------+
| Number of voting rights | Percentage of voting rights |
+-------------------------+-----------------------------+
| 15,294,000              | 3.44%                       |
+-------------------------+-----------------------------+




+------------------------------------------------------------------------------+
|9. Chain of controlled undertakings through which the voting rights and /or   |
|the financial instruments are effectively held, if applicable:                |
+------------------------------------------------------------------------------+
|Name of the fund                                              Number of       |
|shares          % of issued share capital                                     |
|                                                                              |
|Swedbank Robur Smabolagsfond Europa        15,294,000                    3.44%|
|                                                                              |
+------------------------------------------------------------------------------+
|TOTAL                                                                         |
|15,294,000                    3.44%                                           |
+------------------------------------------------------------------------------+




[HUG#1410565]