Holding(s) in Company

RNS Number : 6020F

Synairgen plc

15 January 2010

TR-1: NOTIFICATION OF MAJOR INTEREST IN SHARES

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

Synairgen plc

2 Reason for the notification (please tick the appropriate box or boxes):
An acquisition or disposal of voting rights		Yes
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 notification obligation:

F&C Asset Management plc

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

See box 9 below

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

13/01/2010

6. Date on which issuer notified:

14/01/2010

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

10%

8. Notified details:
A: Voting rights attached to shares
Class/type of shares if possible using the ISIN CODE	Situation previous to the triggering transaction		Resulting situation after the triggering transaction
	Number of Shares	Number of Voting Rights	Number of shares	Number of voting rights		% of voting rights
			Direct	Direct	Indirect	Direct	Indirect
GB00B0381Z20 GBP 0.01	7,318,600	7,318,600	5,718,600	-	5,718,600	-	9.57%

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

C: Financial Instruments with similar economic effect to Qualifying Financial Instruments
Resulting situation after the triggering transaction
Type of financial instrument	Exercise price	Expiration date	Exercise/ Conversion period	Number of voting rights instrument refers to	% of voting rights
-					Nominal	Delta

Total (A+B+C)

Number of voting rights

Percentage of voting rights

5,718,600

9.57%

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

F&C Asset Management plc - Client :	No. of voting rights	% of total voting rights	Registration name
F&C Investment Funds ICVC: UK Equity Fund	3,447,535	5.77%	Chase Nominees Limited
Other client holdings are below 3%