Holding(s) in Company

Concurrent Technologies PLC
22 March 2007


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


1. Identity of the issuer or the underlying issuer of existing       Concurrent Technologies Plc
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

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): Notification of initial holding upon transparency directive             X
becoming effective

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

4. Full name of shareholder(s) (if different from 3.)(iv):                    See Box 9

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

6. Date on which issuer notified:                                           20 March 2007

7. Threshold(s) that is/are crossed or reached:                              Above 3%

8. Notified details:


A: Voting rights attached to shares
Class/type of   Situation previous to  Resulting situation after the triggering transaction(vii)
shares          the Triggering
                transaction (vi)
 if possible    Number of  Number of   Number of    Number of voting rights   % of voting rights
using the ISIN  Shares     Voting      shares       ix
CODE                       Rights viii Direct       Direct  x    Indirect xi  Direct       Indirect
   Ordinary     4,403,287   4,403,287   4,403,287    1,539,905    2,863,382   2.13         3.96


B: Financial Instruments
Resulting situation after the triggering transaction xii
Type of financial    Expiration date Exercise/ Conversion      Number of voting rights    % of voting
instrument           xiii            Period/ Date xiv          that may be acquired if    rights
                                                               the instrument is
                                                               exercised/ converted.



Total (A+B)
Number of voting rights                            % of voting rights
                    4,403,287                                               6.09


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

Included in this disclosure are 2,863,382 shares held by Michael Collins' wife, Jennifer Collins which represents 3.96%
of the company's voting rights.


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:                            Glen Fawcett

15. Contact telephone number:                01206 752626



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