Holding(s) in Company

For filings with the FSA include the annex

For filings with issuer exclude the annex

TR-1: NOTIFICATION OF MAJOR INTEREST IN SHARESi

1. Identity of the issuer or the underlying issuerof existing shares to which voting rights areattached: ii

Avon Rubber 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

No

An acquisition or disposal of instruments with similar economic effect to qualifying financial instruments

No

An event changing the breakdown of voting rights

No

Other (please specify):

No

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

Gartmore Investment Limited

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

See attached schedule

5. Date of the transaction and date onwhich the threshold is crossed orreached: v

26 November 2010

6. Date on which issuer notified:

29 November 2010

7. Threshold(s) that is/are crossed orreached: vi, vii

12%

8. Notified details:

A: Voting rights attached to shares viii, ix

Class/type ofshares

if possible usingthe ISIN CODE

Situation previousto the triggeringtransaction

Resulting situation after the triggering transaction

NumberofShares

NumberofVotingRights

Numberof shares

Number of votingrights

% of voting rights x

Direct

Direct xi

Indirect xii

Direct

Indirect

GB0000667013

3,269,512

3,269,512

2,984,468

2,984,468

9.714%

B: Qualifying Financial Instruments

Resulting situation after the triggering transaction

Type of financialinstrument

Expirationdate xiii

Exercise/Conversion Period xiv

Number of votingrights that may beacquired if theinstrument isexercised/ converted.

% of votingrights

C: Financial Instruments with similar economic effect to Qualifying Financial Instruments xv, xvi

Resulting situation after the triggering transaction

Type of financialinstrument

Exercise price

Expiration date xvii

Exercise/Conversion period xviii

Number of voting rights instrument refers to

% of voting rights xix, xx

CFD

N/A

N/A

N/A

500,000

Nominal

Delta

1.627%

Total (A+B+C)

Number of voting rights

Percentage of voting rights

3,878,790

11.341%

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

Proxy Voting:

10. Name of the proxy holder:

11. Number of voting rights proxy holder will ceaseto hold:

12. Date on which proxy holder will cease to holdvoting rights:

13. Additional information:

All figures are based on the Company's issued share capital of 30,723,292 as provided by Exshare

14. Contact name:

RDU email: [email protected]

15. Contact telephone number:

020 7782 2224

Note: Annex should only be submitted to the FSA not the issuer

Annex: Notification of major interests in share

A: Identity of the persons or legal entity subject to the notification obligation

Full name

(including legal form of legal entities)

Avon Rubber plc

Contact address

(registered office for legal entities)

Hampton Park West, Semington Road, Melksham, Wiltshire SN12 6NB

Phone number & email

01225 896850

Other useful information

(at least legal representative for legal persons)

M Ingrey-Counter, Company Secretary

B: Identity of the notifier, if applicable

Full name

Gartmore Investment Limited

Contact address

Gartmore House, 8 Fenchurch Place, London EC3M 4PB

Phone number & email

020 7782 2224 [email protected]

Other useful information

(e.g. functional relationship with the person or legal entity subject to the notification obligation)

C: Additional information

For notes on how to complete form TR-1 please see the FSA website.

Fund Managing Co.

Number of shares held

Percentage of Issued Capital

UK Registered owner

Beneficial Owner

Equities

Gartmore Fund Managers Limited

779,050

2.536%

HSBC Global Custody Nominee UK Ltd

Gartmore Fund Managers Limited A/C Gartmore UK & Irish Smaller Companies

Gartmore Investment Limited

1,208,482

3.933%

Nortrust Nominees Limited

Strathclyde Pension Fund

Gartmore Investment Limited

996,936

3.245%

BNY GIL CLT Account Nominees Ltd

Gartmore Fledgling Trust PLC

2,984,488

9.714%

Contract for Difference

Gartmore Investment Limited

500,000

1.627%

Vidacos Nominees Ltd A/C 2303

The Alphagen Volantis Fund Limited

500,000

1.627%

3,484,468

11.341%