Holding(s) in Company

Avon Rubber PLC
11 September 2006



             NOTIFICATION OF MAJOR INTERESTS IN SHARES


1)   NAME OF LISTED COMPANY

AVON RUBBER PLC

2)   NAME OF SHAREHOLDER HAVING A MAJOR INTEREST

SCHRODER INVESTMENT MANAGEMENT LIMITED

3)   Please state whether notification indicates that it is 
     regarding the holding of the shareholder named in 2 above;
     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

NON-BENEFICIAL HOLDING

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

SEE BELOW


5)   Number of shares/amount of stock acquired.



6)   Percentage of issued Class (any treasury shares held by the
     listed company should not be taken into account when
     calculating percentage)



7)   Number of shares/amount of stock disposed

15,457

8)   Percentage of issued Class (any treasury shares held by the
     listed company should not be taken into account when
     calculating percentage)

0.055%

9)   Class of security

ORDINARY £1 SHARES

10)  Date of transaction

6/9/06

11)  Date listed company informed

8/9/06

12)  Total holding following this notification

4,514,571
               
13)  Total percentage holding of issued class following this notification
     (any treasury shares held by the listed company should not be taken
     into account when calculating percentage)

15.987%

14)  Any additional information

AVON RUBBER PLC
ISSUED SHARE CAPITAL
28,239,028

15)  Name of contact and telephone number for queries

P J FAIRBAIRN
01225 896860

16)  Name and signature of duly authorised officer of the listed company
     responsible for making this notification

     Date of Notification ....11 SEPTEMBER 2006  ....................



Letter to Avon Rubber PLC dated 8 September 2006

GBP 1 ORDINARY SHARES ('SHARES')

We write to advise you that we, Schroder Investment Management Limited, have an 
interest in 4,514,571 shares which are held in portfolios managed by us on a 
discretionary basis for clients under Investment management agreements.

Included in this figure are:

i) 14,559 shares registered or to be registered in the name of our wholly-owned 
subsidiary nominee company, Schroder Nominees Limited (Schroder Nominees),

(ii) 4,470,766 shares held in unit trust operated and managed by an affiliated 
company, Schroder Unit Trusts Limited (SUTL), and registered or to be registered 
in the name of Chase Nominees Limited;

(iii) 29,246 shares neither registered nor to be registered in the name of 
Schroder Nominees. The registration details are shown on the enclosed Schedule A.

We believe that we, our subsidiary and affiliated company are therefore 
interested in an overall aggregate of 4,514,571 shares, representing some 
15.994% of the total number of shares in issue, namely 28,227,028.

This notification is made to you:

(a)     In respect of our interest as investment managers;

(b)     on behalf of SUTL in relation to the interests they are treated as 
        having respectively under the Companies Act 1985 (the Act); and

(c)     on behalf of Schroders plc, our holding company, which is treated as 
        having an interest in all of the above shares under the Act by virtue of 
        its ownership of SUTL and ourselves.

From Schroder Investment Management




                            10P ORDINARY SHARES 

                                SCHEDULE A

           REGISTRATION                                        AMOUNT
           Nykredit Portefolje Administration                   5,589
           JP Morgan Bank Luxembourg SA                         9,098
           TOTAL                                            6,959,872


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