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 Consolidation Ltd         |
|different from 3.):                      |                                    |
|                                         |                                    |
+-----------------------------------------+------------------------------------+
|5. Date of the transaction and date on   |26.10.2010                          |
|which the threshold is crossed or        |                                    |
|reached:                                 |                                    |
|                                         |                                    |
+-----------------------------------------+------------------------------------+
|6. Date on which issuer notified:        |27.10.2010                          |
|                                         |                                    |
+-----------------------------------------+------------------------------------+
|7. Threshold(s) that is/are crossed or   |Above 22%                           |
|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|         |         |         |         |        |      |        |
|             |3,847,000|3,847,000|3,959,577|3,959,577|        |22.54%|        |
|             |         |         |         |         |        |      |        |
+-------------+---------+---------+---------+---------+--------+------+--------+

+-------------------------------------------------------------------------+
|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 |
+-------------------------+-----------------------------+
|  3,959,577              | 22.54%                      |
+-------------------------+-----------------------------+

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



[HUG#1456025]








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Source: Quadnetics Group plc via Thomson Reuters ONE