Avon Protection Regulatory News (AVON)

TR-1: NOTIFICATION OF MAJOR INTEREST IN SHARESi

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

N/A

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

Howson Tattersall Investment Counsel Limited on behalf of itself and Mackenzie Financial Corporation (which has an individual notification obligation)

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

Howson Tattersall Investment Counsel Limited

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

20 August 2010

6. Date on which issuer notified:

24 August 2010

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

9%

8. Notified details:

A: Voting rights attached to shares viii, ix

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 x

Direct

Direct xi

Indirect xii

Direct

Indirect

GB0000667013

2,660,423

2,575,000

8.84%

B: Qualifying Financial Instruments

Resulting situation after the triggering transaction

Type of financial instrument

Expiration date xiii

Exercise/ Conversion Period xiv

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 xv, xvi

Resulting situation after the triggering transaction

Type of financial instrument

Exercise price

Expiration date xvii

Exercise/ Conversion period xviii

Number of voting rights instrument refers to

% of voting rights xix, xx

Nominal

Delta

Total (A+B+C)

Number of voting rights

Percentage of voting rights

2,575,000

8.84%

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

8.84% of the voting rights are held by Howson Tattersall Investment Counsel Limited, as investment manager which has a disclosable interest as a result of DTR 5.2.1R(h).

Mackenzie Financial Corporation is a 100% shareholder of Howson Tattersall Investment Counsel Limited and has an indirect holding of 8.84% as a result of DTR 5.2.1R(e).

Proxy Voting:

10. Name of the proxy holder:

11. Number of voting rights proxy holder will cease to hold:

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

13. Additional information:

14. Contact name:

D. Lynn Vickers, Vice President, Chief Compliance Officer.

15. Contact telephone number:

(416) 967 2264

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

Howson Tattersall Investment Counsel Limited

Contact address

180 Queen Street West, Tornoto, Ontario, Canada M5V 2K1

Phone number & email

(416) 967 2264

Other useful information

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

D. Lynn Vickers, Vice President, Chief Compliance Officer

C: Additional information