Holding(s) in Company

Quadnetics Group plc

29 March 2007

TR-1(i): NOTIFICATION OF MAJOR INTERESTS IN SHARES

1. Identity of the issuer or the underlying issuer of existing shares
to which voting rights are attached (ii):

Quadnetics Group plc

2. Reason for the notification (please state Yes/No):

An acquisition or disposal of voting rights: Yes

An acquisition or disposal of financial instruments which may result
in the acquisition of shares already issued to which voting rights
are attached: No

An event changing the breakdown of voting rights: No

Other (please specify): No

3. Full name of person(s) subject to the notification obligation
(iii):

Brewin Dolphin Securities Limited

4. Full name of shareholder(s) (if different from 3.) (iv):

N/A

5. Date of the transaction (and date on which the threshold is
crossed or reached if different) (v):

27 March 2007

6. Date on which issuer notified:

28 March 2007

7. Threshold(s) that is/are crossed or reached:

5%

8. Notified details:


+-----------------------------------------------------------------------------------------------+
|A: Voting rights attached to shares                                                            |
|                                                                                               |
|-----------------------------------------------------------------------------------------------|
|Class/type of |Situation previous to the|Resulting situation after the triggering transaction  |
|shares        |triggering transaction   |------------------------------------------------------|
|If possible   |                         |Number of |Number of voting rights|% voting rights    |
|using the ISIN|                         |shares    |(IX)                   |                   |
|code          |-------------------------|Direct    |-----------------------+-------------------|
|              |Number of     |Number of |          |Direct (X) |Indirect   |Direct  |Indirect  |
|              |shares        |voting    |          |           |(XI)       |        |          |
|              |              |rights    |          |           |           |        |          |
|              |              |(VII)     |          |           |           |        |          |
|--------------+--------------+----------+----------+-----------+-----------+--------+----------|
|Ordinary      |Below 5%      |Below     |-         |-          |824,190    |-       |5.03      |
|GBP0.20       |              |5%        |          |           |           |        |          |
|GB0007156838  |              |          |          |           |           |        |          |
|-----------------------------------------------------------------------------------------------|
|B: Financial Instruments                                                                       |
|-----------------------------------------------------------------------------------------------|
|Resulting situation after the triggering transaction (XII)                                     |
|                                                                                               |
|-----------------------------------------------------------------------------------------------|
|Type of financial  |Expiration date |Exercise/Conversion  |Number of voting     |% of voting   |
|instrument         |(XIII)          |Period/Date (XIV)    |rights that may be   |rights        |
|                   |                |                     |acquired if the      |              |
|                   |                |                     |instrument is        |              |
|                   |                |                     |exercised/converted  |              |
|-------------------+----------------+---------------------+---------------------+--------------|
|-                  |-               |-                    |-                    |-             |
+-----------------------------------------------------------------------------------------------+





+----------------------------------------------+
| Total (A+B)                                  |
|----------------------------------------------|
| Number of voting rights | % of voting rights |
|-------------------------+--------------------|
| 824,190                 | 5.03               |
+----------------------------------------------+


9. Chain of controlled undertakings through which the voting rights
and/or the financial instruments are effectively held, if applicable
(xv):

Indirect - Brewin Nominees Limited - 860 shares    0.0053%

Indirect - Giltspur Nominees Limted - 819,330 shares     5.0026%

Indirect - Brewin Nominees (Channel Islands) Limited - 4,000
shares    0.0244%

Proxy Voting:

10. Name of the proxy holder:

N/A

11. Number of voting rights proxy holder will cease to hold:

N/A

12. Date on which proxy holder will cease to hold voting rights:

N/A

13. Additional information:

The indirect voting rights under (9) relate to shares held in client
portfolios, managed by those firms, under discretionary investment
management agreements.

14. Contact name:

Lee Jemmerson ASI

15. Contact telephone number:

0191 279 7334

Quadnetics Group Contact:

Simon Crooks                           01527 850080

Notes to the Forms

(i) This form is to be sent to the issuer or underlying issuer and to
be filed with the competent authority.
(ii) Either the full name of the legal entity or another method for
identifying the issuer or underlying issuer, provided it is reliable
and accurate.
(iii) This should be the full name of (a) the shareholder; (b) the
person acquiring, disposing of or exercising voting rights in the
cases provided for in DTR5.2.1 (b) to (h);  (c) all the parties to
the agreement referred to in DTR5.2.1 (a), or (d) the direct or
indirect holder of financial instruments entitled to acquire shares
already issued to which voting rights are attached, as appropriate.
In relation to the transactions referred to in points DTR5.2.1 (b) to
(h), the following list is provided as indication of the persons who
should be mentioned:
- in the circumstances foreseen in  DTR5.2.1 (b), the person that
acquires the voting rights and is entitled to exercise them under the
agreement and the natural person or legal entity who is transferring
temporarily for consideration the voting rights;
- in the circumstances foreseen in DTR 5.2.1 (c), the person holding
the collateral, provided the person or entity controls the voting
rights and declares its intention of exercising them, and person
lodging the collateral under these conditions;
- in the circumstances foreseen in DTR5.2.1(d), the person who has a
life interest in shares if that person is entitled to exercise the
voting rights attached to the shares and the person who is disposing
of the voting rights when the life interest is created;
- in the circumstances foreseen in DTR5.2.1 (e), the parent
undertaking and, provided it has a notification duty at an individual
level under DTR 5.1, under DTR5.2.1 (a) to (d) or under a combination
of any of those situations, the controlled undertaking;
- in the circumstances foreseen in DTR5.2.1 (f), the deposit taker of
the shares, if he can exercise the voting rights attached to the
shares deposited with him at his discretion, and the depositor of the
shares allowing the deposit taker to exercise the voting rights at
his discretion;
- in the circumstances foreseen in DTR5.2.1 (g), the person  that
controls the voting rights;
- in the circumstances foreseen in DTR5.2.1 (h), the proxy holder, if
he can exercise the voting rights at his discretion, and the
shareholder who has given his proxy to the proxy holder allowing the
latter to exercise the voting rights at his discretion.
(iv) Applicable in the cases provided for in DTR 5.2.1 (b) to (h).
This should be the full name of the shareholder who is the
counterparty to the natural person or legal entity referred to in
DTR5.2.
(v) The date of the transaction should normally be, in the case of an
on exchange transaction, the date on which the matching of orders
occurs; in the case of an off exchange transaction, date of the
entering into an agreement.
The date on which threshold is crossed should normally be the date on
which the acquisition, disposal or possibility to exercise voting
rights takes effect (see DTR 5.1.1R (3)). For passive crossings, the
date when the corporate event took effect.
(vi) Please refer to the situation disclosed in the previous
notification, In case the situation previous to the triggering
transaction was below 3%, please state 'below 3%'.
(vii)  If the holding has fallen below the minimum threshold , the
notifying party should not be obliged to disclose the extent of the
holding, only that the new holding is less than 3%.
For the case provided for in DTR5.2.1(a), there should be no
disclosure of individual holdings per party to the agreement unless a
party individually crosses or reaches an Article 9 threshold. This
applies upon entering into, introducing changes to or terminating an
agreement.
(viii) Direct and indirect
(ix)  In case of combined holdings of shares with voting rights
attached 'direct holding' and voting rights 'indirect holdings',
please split the voting rights number and percentage into the direct
and indirect columns-if there is no combined holdings, please leave
the relevant box blank.
(x)  Voting rights to shares in respect of which the notifying party
is a direct shareholder  (DTR 5.1)
(xi) Voting rights held by the notifying party as an indirect
shareholder (DTR 5.2.1)
(xii)  If the holding has fallen below the minimum threshold, the
notifying party should not be obliged to disclose the extent of the
holding, only that the new holding is below 3%.
(xiii)  date of maturity / expiration of the finical instrument i.e.
the date when the right to acquire shares ends.
(xiv)  If the financial instrument has such a period-please specify
the period- for example once every three months starting from the
(date)
(xv) The notification should include the name(s) of the controlled
undertakings through which the voting rights are held. The
notification should also include the amount of voting rights and the
percentage held by each controlled undertaking, insofar as
individually the controlled undertaking holds 5% or more, and insofar
as the notification by the parent undertaking is intended to cover
the notification obligations of the controlled undertaking.
(xvi ) This annex is only to be filed with the competent authority.
(xvii) Whenever another person makes the notification on behalf of
the shareholder or the natural person/legal entity  referred to in
DTR5.2 and DTR5.3

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