For filings with the FSA include the annex

For filings with issuer exclude the annex 

TR-1: Notifications of Major Interests in Shares

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

British Polythene Industries PLC

2. Reason for notification (yes/no)

An acquisition or disposal of voting rights

Yes

An acquisition or disposal of financial instruments which may result in the acquisition of shares already issued to which voting rights are attached 

An event changing the breakdown of voting rights

Other (please specify):______________

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

Aberforth Partners LLP

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

Shareholder                                           Shares
1. Aberforth Smaller

    Companies Trust plc                     1,881,500
2. Aberforth UK Small
    Companies Fund                           1,402,900
3.  The Church Commissioners
     for England                                      328,100
4.  Aberforth Geared Capital &
     Income Trust plc                              357,400

1,2,4 = registered in the name of Nortrust Nominees Ltd A/c Aberfrth, 
3 = The Church Commissioners for England (Chase GIS) Nominees Ltd

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

29/08/2008

6. Date on which issuer notified:

01/09/2008

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

15%

8: Notified Details

A: Voting rights attached to shares

Class/type of shares

If possible use 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

Percentage of voting rights

Direct

Indirect

Direct

Indirect

Ordinary

GB0007797425

3,999,250

3,999,250

3,969,900

N/A

3,969,900

14.98

B: Financial Instruments

Resulting situation after the triggering transaction

Type of financial instrument

Expiration date

Exercise/ conversion period/date 

No. of voting rights that may be acquired (if the instrument exercised/converted)

Percentage of voting rights

N/A

N/A

N/A

N/A

N/A

Total (A+B)

Number of voting rights

Percentage of voting rights

3,969,900

14.98

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

Held by Aberforth Partners LLP

Proxy Voting:

10. Name of 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:

Pauline Robson, Aberforth Partners LLP

15. Contact telephone number:

0131 220 0733