Holding(s) in Company

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

+----------------------------------------------+-------------------------------+
|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                                   |             Schroders plc             |
|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     |               12.02.10                |
|reached: v                            |                                       |
+--------------------------------------+---------------------------------------+
|6. Date on which issuer notified:     |               15.02.10                |
+--------------------------------------+---------------------------------------+
|7. Threshold(s) that is/are crossed or|               Above 5%                |
|reached:vi, vii                       |                                       |
+--------------------------------------+---------------------------------------+

+------------------------------------------------------------------------------+
|8. Notified details:                                                          |
+------------------------------------------------------------------------------+
|A: Voting rights attached to shares viii, ix                                  |
+-------------+---------------------+------------------------------------------+
|Class/type of|Situation previous   |Resulting situation after the triggering  |
|shares       |to the triggering    |transaction                               |
|             |transaction          |                                          |
|if possible  +---------+-----------+----------+---------------+---------------+
|using        |Number   |Number     |Number    |Number of      |% of  voting   |
|the ISIN CODE|of       |of         |of shares |voting         |rights x       |
|             |Shares   |Voting     |          |rights         |               |
|             |         |Ri hts     +----------+------+--------+------+--------+
|             |         |           |Direct    |Direct|Indirect|Direct|Indirect|
|             |         |           |          |xi    |xii     |      |        |
+-------------+---------+-----------+----------+------+--------+------+--------+
|Ordinary     |         |           |          |      |        |      |        |
|             |868,700  |868,700    |890,200   |N/A   |890,200 |N/A   |5.07%   |
|GB0007156838 |         |           |          |      |        |      |        |
+-------------+---------+-----------+----------+------+--------+------+--------+

+------------------------------------------------------------------------------+
|B: Qualifying Financial Instruments                                           |
+------------------------------------------------------------------------------+
|Resulting situation after the triggering transaction                          |
+---------------+----------+--------------------+----------------+-------------+
|Type of        |Expiration|Exercise/           |Number of voting|% of voting  |
|financial      |datexiii  |Conversion Periodxiv|rights that may |rights       |
|instrument     |          |                    |be              |             |
|               |          |                    |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          |rights xix, xx|
|instrument    |        |          |periodxviii|instrument      |              |
|              |        |          |           |refers to       |              |
|              |        |          |           |                |              |
+--------------+--------+----------+-----------+----------------+-------+------+
|              |        |          |           |                |Nominal|Delta |
|              |        |          |           |                +-------+------+
|              |        |          |           |                |       |      |
+--------------+--------+----------+-----------+----------------+-------+------+

+------------------------------------------------------------------------------+
|Total (A+B+C)                                                                 |
+------------------------------------+-----------------------------------------+
|Number of voting rights             |Percentage of voting rights              |
+------------------------------------+-----------------------------------------+
|890,200                             |5.07%                                    |
+------------------------------------+-----------------------------------------+

+------------------------------------------------------------------------------+
|9. Chain of controlled undertakings through which the voting rights and/or the|
|financial instruments are effectively held, if applicable:xxi                 |
+------------------------------------------------------------------------------+
|                                                                              |
|Schroder Investment Management Limited  890,200  5.07                         |
+------------------------------------------------------------------------------+

+------------------------------------------------------------------------------+
|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:                                  |                             |
+------------------------------------------------+-----------------------------+

+-----------------------------+------------------------------------------------+
|                             |The shares referred to in section 9 are held in |
|13. Additional information:  |portfolios managed by those firms on a          |
|                             |discretionary basis for clients under investment|
|                             |management agreements.                          |
+-----------------------------+------------------------------------------------+
|14. Contact name:            |                                Taryn O'Donoghue|
+-----------------------------+------------------------------------------------+
|15. Contact telephone number:|                                   020 7658 6000|
+-----------------------------+------------------------------------------------+




[HUG#1384650]