Holding(s) in Company

+------------------------------------------------------------------------------+
|TR-1: NOTIFICATION OF MAJOR INTEREST IN SHARESi                               |
+------------------------------------------------------------------------------+

+----------------------------------------------+-------------------------------+
|1. Identity of the issuer or the underlying   |                               |
|issuer                                        |     Quadnetics Group 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                        |   YES    |
+-------------------------------------------------------------------+----------+
|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):                                            |          |
+--------------------------------------+----------------------------+----------+
|3. Full name of person(s) subject to  |                                       |
|the                                   | HSBC GLOBAL CUSTODY NOMINEE (UK) LTD  |
|notification obligation: iii          |                                       |
+--------------------------------------+---------------------------------------+
|4. Full name of shareholder(s)        |      Whitehall Consolidated Ltd       |
|(if different from 3.):iv             |                                       |
+--------------------------------------+---------------------------------------+
|5. Date of the transaction and date on|                                       |
|which the threshold is crossed or     |              18.05.2010               |
|reached: v                            |                                       |
+--------------------------------------+---------------------------------------+
|6. Date on which issuer notified:     |              18.05.2010               |
+--------------------------------------+---------------------------------------+
|7. Threshold(s) that is/are crossed or|               above 16%               |
|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   |Vo ing     +---------+---------+--------+------+--------+
|CODE        |         |Rights     |Direct   |Direct   |Indirect|Direct|Indirect|
+------------+---------+-----------+---------+---------+--------+------+--------+
|GB0007156838|         |           |         |         |        |      |        |
|            |2,756,431|2,756,431  |2,966,431|2,966,431|        |16.88%|        |
|            |         |           |         |         |        |      |        |
+------------+---------+-----------+---------+---------+--------+------+--------+

+-------------------------------------------------------------------------------+
|B: Qualifying Financial Instruments                                            |
+-------------------------------------------------------------------------------+
|Resulting situation after the triggering transaction                           |
+--------------+----------+-------------------+-------------------+-------------+
|Type of       |Expiration|Exercise/          |Number of voting   |% of voting  |
|financial     |date xiii |Conversion Period  |rights that may be |rights       |
|instrument    |          |xiv                |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 voting   |% of voting   |
|financial    |price   |date xvii |Conversion|rights instrument  |rights xix, xx|
|instrument   |        |          |period    |refers to          |              |
|             |        |          |xviii     |                   |              |
+-------------+--------+----------+----------+-------------------+-------+------+
|             |        |          |          |                   |Nominal|Delta |
|             |        |          |          |                   +-------+------+
|             |        |          |          |                   |       |      |
+-------------+--------+----------+----------+-------------------+-------+------+

+-------------------------------------------------------------------------------+
|Total (A+B+C)                                                                  |
+-----------------------------------+-------------------------------------------+
|Number of voting rights            |Percentage of voting rights                |
+-----------------------------------+-------------------------------------------+
|2,966,431                          |16.88%                                     |
+-----------------------------------+-------------------------------------------+

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

+---------------------------------------------------------------------------+
|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:            |Fabia Schulthess, HSBC Private Bank (Suisse) |
|                             |SA                                           |
+-----------------------------+---------------------------------------------+
|15. Contact telephone number:|0041 58 705 3235                             |
+-----------------------------+---------------------------------------------+




[HUG#1417133]