Blocklisting Interim Review

Scottish & Southern Energy PLC 04 March 2008 BLOCK LISTING SIX MONTHLY RETURN Information provided on this form must be typed or printed electronically. To: The FSA FAX 020 7066 8364 Date: _4 March__2008__ AVS No: Name of applicant: Scottish and Southern Energy plc Name of scheme: Executive Share Option Scheme Period of return: From: 1 September To: 29 February 2008 2007 Balance under scheme from previous return: 74,634 The amount by which the block scheme has been increased, if the scheme has been increased since the date of the last return: Number of securities issued/allotted under scheme during period: 23,150 Balance under scheme not yet issued/allotted at end of period 51,484 Number and class of securities 300,000 Ordinary shares 4 July 2005 originally listed and the date of admission Total number of securities in issue at the end of the period 870,546,670 Name of contact: Anne Sutherland Address of contact: 200 Dunkeld Road, Perth PH1 3AQ Telephone number of contact: 01738 455165 SIGNED BY ________Ailsa Gray______________________________________ Director/ deputy company secretary/suitably experienced employee/duly authorised officer, for and on behalf of ___Scottish and Southern Energy plc_______________________________________ Name of applicant If you knowingly or recklessly give false or misleading information you may be liable to prosecution. BLOCK LISTING SIX MONTHLY RETURN Information provided on this form must be typed or printed electronically. To: The FSA Date: 4 March 2008__ AVS No: Name of applicant: Scottish and Southern Energy plc Name of scheme: SAYE Sharesave Scheme Period of return: From: 1 September To: 29 February 2008 2007 Balance under scheme from previous return: 325,309 The amount by which the block scheme has been increased, if the scheme has been increased since the date of the last return: Number of securities issued/allotted under scheme during period: 294,208 Balance under scheme not yet issued/allotted at end of period 31,101 Number and class of securities 1,900,000 Ordinary shares 4 July 2005 originally listed and the date of admission Total number of securities in issue at the end of the period 870,546,670 Name of contact: Anne Sutherland Address of contact: 200 Dunkeld Road, Perth PH1 3AQ Telephone number of contact: 01738 455165 SIGNED BY _Ailsa Gray_____________________________________________ Director/deputy company secretary/suitably experienced employee/duly authorised officer, for and on behalf of Scottish and Southern Energy plc__________________________________ Name of applicant If you knowingly or recklessly give false or misleading information you may be liable to prosecution. BLOCK LISTING SIX MONTHLY RETURN Information provided on this form must be typed or printed electronically. To: The FSA Date: 4 March 2008__ AVS No: Name of applicant: Scottish and Southern Energy plc Name of scheme: Convertible Bond Period of return: From: 1 March 2007 To: 31 August 2007 Balance under scheme from previous return: 0 The amount by which the block scheme has 10,000,000 Ordinary shares 27/07/2007 been increased, if the scheme has been increased since the date of the last return: 10,000,000 Ordinary shares 21/08/2007 Number of securities issued/allotted under scheme during period: 13,197,212 Balance under scheme not yet issued/allotted at end of period 6,802,788 Number and class of securities originally listed and the date of admission Total number of securities in issue at the end of the period 866,096,539 Name of contact: Anne Sutherland Address of contact: 200 Dunkeld Road, Perth PH1 3AQ Telephone number of contact: 01738 455165 SIGNED BY _Ailsa Gray_____________________________________________ Director/deputy company secretary/suitably experienced employee/duly authorised officer, for and on behalf of Scottish and Southern Energy plc__________________________________ Name of applicant If you knowingly or recklessly give false or misleading information you may be liable to prosecution. BLOCK LISTING SIX MONTHLY RETURN Information provided on this form must be typed or printed electronically. To: The FSA Date: 4 March 2008__ AVS No: Name of applicant: Scottish and Southern Energy plc Name of scheme: Convertible Bond Period of return: From: 1 September To: 29 February 2008 2007 Balance under scheme from previous return: 6,802,788 The amount by which the block scheme has 10,000,000 Ordinary shares 08/02/2008 been increased, if the scheme has been increased since the date of the last return: Number of securities issued/allotted under scheme during period: 9,457,771 Balance under scheme not yet issued/allotted at end of period 7,345,017 Number and class of securities 10,000,000 Ordinary shares 21/08/2007 originally listed and the date of admission Total number of securities in issue at the end of the period 870,546,670 Name of contact: Anne Sutherland Address of contact: 200 Dunkeld Road, Perth PH1 3AQ Telephone number of contact: 01738 455165 SIGNED BY _Ailsa Gray_____________________________________________ Director/deputy company secretary/suitably experienced employee/duly authorised officer, for and on behalf of Scottish and Southern Energy plc__________________________________ Name of applicant If you knowingly or recklessly give false or misleading information you may be liable to prosecution. This information is provided by RNS The company news service from the London Stock Exchange

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