Holding(s) in Company

Synchronica PLC
01 June 2006

                   NOTIFICATION OF MAJOR INTERESTS IN SHARES



1. Name of company


SYNCHRONICA PLC



2. Name of shareholder having a major interest


GARTMORE INVESTMENT LIMITED



3. Please state whether notification indicates that it is in respect of holding
of the shareholder named in 2 above or in respect of a non-beneficial interest
or in the case of an individual holder if it is a holding of that person's
spouse or children under the age of 18


HELD FOR INVESTMENT PURPOSES ON BEHALF OF:

ALPHAGEN VOLANTIS FUND - PRIME BROKERAGE



4. Name of the registered holder(s) and, if more than one holder, the number of
shares held by each of them


VIDACOS NOMINEES LTD A/C 1945



5. Number of shares / amount of stock acquired


800,000



6. Percentage of issued class


2.20%



7. Number of shares / amount of stock disposed


N/A



8. Percentage of issued class


N/A



9. Class of security


ORDINARY SHARES OF 1 PENCE EACH



10. Date of transaction


24/05/2006



11. Date company informed


31/05/2006



12. Total holding following this notification


1,850,000



13. Total percentage holding of issued class following this notification


5.09%



14. Any additional information


N/A



15. Name of contact and telephone number for queries


ANGUS DENT - 01580 831650



16. Name and signature of authorised company official responsible for making
this notification


ANGUS DENT, CFO



Date of notification


01/06/2006




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