Holding(s) in Company

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

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

+------------------------------------------------------------------------------+
|2 Reason for the notification (please tick the appropriate box or boxes):     |
+---------------------------------------------------------------------------+--+
|                                                                           |  |
|An acquisition or disposal of voting rights                                |X |
+---------------------------------------------------------------------------+--+
|                                                                           |  |
|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:                |                                     |
|                                        |                                     |
+----------------------------------------+-------------------------------------+
|4. Full name of shareholder(s) (if      | Whitehall Consolidated Ltd          |
|different from 3.):                     |                                     |
|                                        |                                     |
+----------------------------------------+-------------------------------------+
|5. Date of the transaction and date on  | 11/03/2010                          |
|which the threshold is crossed or       |                                     |
|reached:                                |                                     |
|                                        |                                     |
+----------------------------------------+-------------------------------------+
|6. Date on which issuer notified:       | 12/03/2010                          |
|                                        |                                     |
+----------------------------------------+-------------------------------------+
|7. Threshold(s) that is/are crossed or  | above 13%                           |
|reached:                                |                                     |
|                                        |                                     |
+----------------------------------------+-------------------------------------+



+-----------------------------------------------------------------------------------+
|8. Notified details:                                                               |
+-----------------------------------------------------------------------------------+
|A: Voting rights attached to shares                                                |
|                                                                                   |
+-------------+---------------------+-----------------------------------------------+
|Class/type of|Situation previous   |Resulting situation after the triggering       |
|shares       |to the triggering    |transaction                                    |
|             |transaction          |                                               |
|if possible  +----------+----------+----------+-------------------+----------------+
|using        |Number    |Number    |Number    |Number of voting   |% of  voting    |
|the ISIN CODE|of        |of        |of shares |rights             |rights          |
|             |Shares    |Voting    +----------+----------+--------+-------+--------+
|             |          |Rights    |Direct    |Direct    |Indirect|Direct |Indirect|
+-------------+----------+----------+----------+----------+--------+-------+--------+
| GB0007156838|          |          |          |          |        |       |        |
+-------------+2,274,900 |2,274,900 |2,374,900 |2,374,900 |        | 13.52%|        |
|             |          |          |          |          |        |       |        |
+-------------+----------+----------+----------+----------+--------+-------+--------+

+-------------------------------------------------------------------------+
|B: Qualifying Financial Instruments                                      |
+-------------------------------------------------------------------------+
|Resulting situation after the triggering transaction                     |
|                                                                         |
+-----------------+----------+----------+---------------------+-----------+
|Type of financial|Expiration|Exercise/ |Number of voting     |% of voting|
|instrument       |date      |Conversion|rights that may be   |rights     |
|                 |          |Period    |acquired if the      |           |
|                 |          |          |instrument is        |           |
|                 |          |          |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 |
+-------------------------+-----------------------------+
|  2,374,900              |  13.52%                     |
+-------------------------+-----------------------------+

+------------------------------------------------------------------------------+
|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:            | Ueli Dubendorfer, HSBC Private Bank (Suisse) SA|
|                             |                                                |
+-----------------------------+------------------------------------------------+
|15. Contact telephone number:| 0041 58 705 3209                               |
|                             |                                                |
+-----------------------------+------------------------------------------------+


[HUG#1393535]