Holding(s) in Company

Symphony Environmental Tech. PLC
21 December 2007





                    SYMPHONY ENVIRONMENTAL TECHNOLOGIES PLC
                          ('Symphony' or the 'Company')
                               
                               HOLDINGS IN COMPANY
                               -------------------

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

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

SYMPHONY ENVIRONMENTAL TECHNOLOGIES PLC

2.       Reason for the notification:

An acquisition or disposal of voting rights

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

Barclays PLC

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

Barclays Stockbrokers Ltd
Gerrard Investment Management Ltd

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

17 December 2007

6.       Date on which issued notified:

18 December 2007

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

Below reportable % to 5%

8.       Notified details

A: Voting rights attached to shares

Class/type of share if possible using the ISIN Code                 GB0009589168

Situation Previous to the triggering transaction (vi) -
        Number of Shares                                                  66,250
        Number of Voting Rights (viii)                                    66,250

Resulting situation after the triggering transaction (viii) -
     Number of Shares                                                  4,630,834
     Number of Voting Rights - Direct (x)                                      0
     Number of Voting Rights - Indirect (xi)                           4,630,834
     % of voting rights - Direct                                               0
     % of voting rights - Indirect                                          5.01

B: Financial Instruments

Resulting situation after the triggering transaction (xii)

Type of financial instrument                                                 N/A

Expiration date (xiii)                                                       N/A

Exercise/Conversion Period/Date (xiv)                                        N/A

Number of voting rights that may be acquired if the
instrument is exercised/converted                                            N/A

% of voting rights                                                           N/A

            Total (A+B)

Number of voting rights                                                4,630,834

% of voting rights                                                          5.01

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

Barclays Stockbrokers Ltd
Gerrard Investment Management Ltd

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:                                                N/A

14.   Contact name:                                                  Geoff Smith

15.   Contact telephone number:                                    020 7116 2913


For further information, please contact:
Symphony
Michael Laurier, CEO Tel: [phone]
Ian Bristow, FD

HB Corporate
Rod Venables Tel: [phone]





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