Holding(s) in Company

Zytronic PLC
17 May 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):

Zytronic PLC


2. Reason for the notification (please place an X inside the appropriate bracket
/s):


An acquisition or disposal of voting rights: ( )


An acquisition or disposal of financial instruments which may result in the
acquisition of shares already issued to which voting rights are attached: ( )


An event changing the breakdown of voting rights: ( )


Other (please specify) : (X)

Notification of major holding


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

Saracen Growth Fund


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

as above


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

14 May 2007


6. Date on which issuer notified:

14 May 2007


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

5%


8. Notified details:

.................


A: Voting rights attached to shares

Class/type of shares if possible using    Situation previous to the Triggering
the ISIN CODE                                       transaction (vi)
                                        Number of      Number of voting Rights
                                        shares         (viii)

GB0006971013                               1,323,289                 1,323,289

Resulting situation after the triggering transaction (vii)

Class/type of shares if      Number of    Number of voting      % of voting
possible using the ISIN CODE shares       rights (ix)           rights

                             Direct       Direct (x)   Indirect Direct  Indirect
                                                       (xi)

GB0006971013                  1,323,289    1,323,289             9.04%


B: Financial Instruments

Resulting situation after the triggering transaction (xii)

Type of     Expiration Exercise/       Number of voting rights that may  % of
financial   Date       Conversion      be acquired if the instrument is  voting
instrument  (xiii)     Period/ Date    exercised/ converted.             rights
                       (xiv)





Total (A+B)
Number of voting rights                      % of voting rights

         1,323,289                                9.04%


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

.................



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:

Denis Mullan


15. Contact telephone number:

0191 414 5511



                      This information is provided by RNS
            The company news service from the London Stock Exchange