Blk Listing Six-Mthly

Scottish & Southern Energy PLC 6 September 2001 Schedule 5 - Block Listing Six-Monthly Return 1 Name of company: Scottish and Southern Energy 2 Name of Scheme: Executive Share Option Scheme 3 Period of Return - From: 1 March 2001 To: 31 August 2001 4 Number and class of share(s) (amount of stock/debt security) not issued under scheme at the end of last period: 598,853 5 Number of shares issued/allotted under scheme during period: 593,966 6 Balance under scheme not yet issued/allotted under scheme at end of period: 4,887 7 Number and class of share(s) (amount of stock/debt securities) originally listed and the date of admission: 800,000 ordinary shares were listed on 31 August 2000 Please confirm total number of shares in issue at the end of the period in order for us to update our records: 859,172,934 Contact name for queries: Ailsa Stroud, Assistant Company Secretary Contact telephone number: 01738 455152 Contact address: Inveralmond House, 200 Dunkeld Road, Perth, PH1 3AQ ailsa.stroud@scottish-southern.co.uk Name of person making return: Vincent Donnelly Position of person making return: Company Secretary Schedule 5 - Block Listing Six-Monthly Return 1 Name of company: Scottish and Southern Energy 2 Name of Scheme: SAYE Sharesave Scheme 3 Period of Return - From: 1 March 2001 To: 31 August 2001 4 Number and class of share(s) (amount of stock/debt security) not issued under scheme at the end of last period: 670,110 5 Number of shares issued/allotted under scheme during period: 62,705 6 Balance under scheme not yet issued/allotted under scheme at end of period: 607,405 7 Number and class of share(s) (amount of stock/debt securities) originally listed and the date of admission: 800,000 shares were listed on 31 August 2000 Please confirm total number of shares in issue at the end of the period in order for us to update our records: 859,172,934 Contact name for queries: Ailsa Stroud Contact telephone number: 01738 455152 Contact address: Inveralmond House, 200 Dunkeld Road, Perth, PH1 3AQ Name of person making return: Vincent Donnelly Position of person making return: Company Secretary Schedule 5 - Block Listing Six-Monthly Return 1 Name of company: Scottish and Southern Energy 2 Name of Scheme: Employee Share Trust Scheme 3 Period of Return - From: 1 March 2001 To: 31 August 2001 4 Number and class of share(s) (amount of stock/debt security) not issued under scheme at the end of last period: 9,695 5 Number of shares issued/allotted under scheme during period: NIL 6 Balance under scheme not yet issued/allotted under scheme at end of period: 859,172,934 7 Number and class of share(s) (amount of stock/debt securities) originally listed and the date of admission: 300,000 ordinary shares of 50p each listed on 26 August 1999 Please confirm total number of shares in issue at the end of the period in order for us to update our records: 859,172,934 Contact name for queries: Ailsa Stroud, Assistant Company Secretary Contact telephone number: 19738 455152 Contact address: Inveralmond House, 200 Dunkeld Road, Perth, PH1 3AQ ailsa.stroud@scottish-southern.co.uk Name of person making return: Vincent Donnelly Position of person making return: Company Secretary Additional Information:

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