Director/PDMR Shareholding

1.

Name of the issuer

2.

State whether the notification relates to (i) a

transaction notified in accordance with DTR 3.1.2 R, 

(ii) a disclosure made in accordance 

LR 9.8.6R(1) or

(iii) a disclosure made in accordance with section 793 of the Companies Act (2006).

BRITISH POLYTHENE INDUSTRIES PLC

BOTH (I) AND (II)

3.

Name of person discharging managerial

responsibilities/director

4.

State whether notification relates to a person

connected with a person discharging managerial responsibilities/director named in 3 and identify the connected person

CAMERON MCLATCHIE - DIRECTOR

MRS HELEN L MCLATCHIE - SPOUSE

5.

Indicate whether the notification is in respect of a holding of the person referred to in 3 or 4 above or in respect of a nonbeneficial

interest 1

6.

Description of shares (including class), debentures or derivatives or financial instruments relating to shares

NOTIFICATION RELATES TO A HOLDING OF THE PERSON NAMED IN 3) AND HIS SPOUSE

25P ORDINARY SHARES

7.

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

8.

State the nature of the transaction

CAMERON MCLATCHIE 407,885

MRS HELEN L MCLATCHIE 4,440

PURCHASE OF SHARES BY THE DIRECTOR

9.

Number of shares, debentures or financial

instruments relating to shares acquired

10.

Percentage of issued class acquired (treasury shares of that class should not be taken into account when calculating percentage)

50,000 ORDINARY SHARES

0.189%

11.

Number of shares, debentures or financial

instruments relating to shares disposed

12.

Percentage of issued class disposed (treasury shares of that class should not be taken into account when calculating percentage)

N/A

N/A

13.

Price per share or value of transaction

14.

Date and place of transaction

50,000 ORDINARY SHARES AT 234.5P EACH

19TH MAY 2008, LONDON

15.

Total holding following notification and total percentage holding following notification (any treasury shares should not be taken into account when calculating percentage)

16.

Date issuer informed of transaction

CAMERON MCLATCHIE 407,885 1.539% MRS HELEN L MCLATCHIE 54,440 0.205%

19TH MAY 2008 GREENOCK

17.

Date of grant

18.

Period during which or date on which exercisable

N/A

N/A

19.

Total amount paid (if any) for grant of the option

20.

Description of shares or debentures involved (class and number)

N/A

N/A

21.

Exercise price (if fixed at time of grant) or

indication that price is to be fixed at the time of exercise

22.

Total number of shares or debentures over which options held following notification

23.

Any additional information

24.

Name of contact and telephone number for queries

R. B. BROOKSBANK 01475 501 050

Name of authorised official of issuer responsible for making notification

R. B. BROOKSBANK, GROUP COMPANY SECRETARY

Date of notification 20TH MAY 2008_____________________

(1)

An issuer making a notification in respect of a transaction relating to the shares or debentures of the issuer should complete boxes 1 to 16, 23 and 24.

(2)

An issuer making a notification in respect of a derivative relating the shares of the issuer should complete boxes 1 to 4, 6, 8, 13, 14, 16, 23 and 24.

(3)

An issuer making a notification in respect of options granted to a director/person discharging managerial responsibilities should complete boxes 1 to 3 and 17 to 24.

(4)

An issuer making a notification in respect of a financial instrument relating to the shares of the issuer (other than a debenture) should complete boxes 1 to 4, 6, 8, 9, 11, 13, 14, 16, 23 and 24.