Holding(s) in Company

Borders & Southern Petroleum plc
24 May 2005


                                  SCHEDULE 10

                   NOTIFICATION OF MAJOR INTERESTS IN SHARES


1. Name of company

Borders & Southern Petroleum Plc


2. Name of shareholder having a major interest

Lansdowne Partners Limited Partnership


3. Please state whether notification indicates that it is in respect of holding
of the shareholder named in 2 above or 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

On behalf of client funds


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

Lansdowne Partners Limited Partnership


5. Number of shares / amount of stock acquired

6,250,000 ordinary shares


6. Percentage of issued class

4.89%


7. Number of shares / amount of stock disposed




8. Percentage of issued class




9. Class of security

Ordinary Shares


10. Date of transaction

18 May 2005


11. Date company informed

19 May 2005


12. Total holding following this notification

6,250,000 ordinary shares


13. Total percentage holding of issued class following this notification

4.89%


14. Any additional information




15. Name of contact and telephone number for queries

Stephen Goschalk, Insinger de Beaufort 020 7190 7000


16. Name and signature of authorised company official responsible for making
this notification

Will Slack, tel: [phone]


Date of notification

24 May 2005




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