Rule 8.3 - SCOTTISH POWER PLC

FORM 8.3 DEALINGS BY PERSONS WITH INTERESTS IN SECURITIES REPRESENTING 1% OR MORE (Rule 8.3 of the City Code on Takeovers and Mergers) 1. KEY INFORMATION Name of person dealing BARCLAYS PLC (Note 1) Company dealt in SCOTTISH POWER PLC Class of relevant security ORD GBP0.42 to which the dealings being disclosed relate (Note 2) Date of dealing 07 February 2007 2. INTERESTS, SHORT POSITIONS AND RIGHTS TO SUBSCRIBE (a) Interests and short positions (following dealing) in the class of relevant security dealt in (Note 3) Long Short Number (%) Number (%) (1) Relevant 61,758,307 4.15% 27,535,216 1.85% securities (2) Derivatives 903,672 0.06% 2,339,807 0.16% (other than options) (3) Options and 125 0.00% 68 0.00% agreements to purchase/sell Total 62,662,104 4.21% 29,875,091 2.01% (b) Interests and short positions in relevant securities of the company, other than the class dealt in (Note 3) Class of Long Short relevant security: Number (%) Number (%) (1) Relevant securities (2) Derivatives (other than options) (3) Options and agreements to purchase/sell Total (c) Rights to subscribe (Note 3) Class of relevant security: Details 3. DEALINGS (Note 4) (a) Purchases and sales Purchase/sale Number of Securities Price per unit (GBP) Purchase 13,809 7.6982 Purchase 36,208 7.7000 Purchase 106,885 7.6999 Purchase 15,120 7.7000 Purchase 15,000 7.6974 Purchase 131,180 7.5604 Purchase 103,800 7.6900 Purchase 1,213 7.7157 Purchase 117,631 7.6879 Sale 200,000 7.6823 Sale 16 7.6788 Sale 1,200 7.7200 Sale 4,200 7.6957 Sale 221,500 7.6704 Sale 3,600 7.7067 Sale 2,000 7.7200 Sale 955 7.7167 Sale 328,000 7.5602 Sale 400 7.6917 Sale 400 7.7217 Sale 650 7.7200 Sale 16,450 7.6871 Sale 793 7.6520 Sale 1,000 7.7200 Sale 620 7.7200 Sale 900 7.7100 Sale 675 7.7200 Sale 2,500 7.7200 Sale 1,000 7.7200 Sale 15,000 7.7200 Sale 400 7.6366 Sale 675 7.6520 Sale 1,100 7.7200 Sale 500 7.6366 Sale 500 7.7200 Sale 4,000 7.7200 Sale 700 7.7200 Sale 60,000 7.7048 Sale 844 7.7000 Sale 650 7.7200 Sale 6,822 7.7000 Sale 44,095 7.6827 Sale 769 7.6816 Sale 675 7.6916 Sale 260 7.7117 Sale 850 7.7200 Sale 1,010 7.7167 Sale 1,500 7.7200 Sale 800 7.7200 Sale 625 7.6917 Sale 425 7.6917 Sale 360 7.6818 Sale 400 7.6366 Sale 1,600 7.7200 (b) Derivatives transactions (other than options) Product Long/Short Number of Securities Price Per name, (Note 6) (Note 7) Unit (GBP) e.g. CFD CFD Short 103800 7.6900 CFD Short 15000 7.6974 CFD Short 13809 7.6981 CFD Short 106885 7.6998 CFD Long 16 7.6787 CFD Long 44095 7.6826 CFD Long 16450 7.6871 CFD Long 4200 7.6957 (c) Options transactions in respect of existing securities (i) Writing, selling, purchasing or varying Product name, Writing, Number of Exercise Type, e.g. Expiry Option money e.g. call selling, securities to price American, date paid/received option purchasing, which the option European etc. per unit (GBP) varying etc. relates (GBP) (ii) Exercising Product name, e.g. Number of Exercise price per call option securities unit (Note 5) (d) Other dealings (including new securities) (Note 4) Nature of transaction Details Price per unit (Note 8) (if applicable) (Note 5) 4. OTHER INFORMATION Agreements, arrangements or understandings relating to options or derivatives Full details of any agreement, arrangement or understanding between the person disclosing and any other person relating to the voting rights of any relevant securities under any option referred to on this form or relating to the voting rights or future acquisition or disposal of any relevant securities to which any derivative referred to on this form is referenced. If none, this should be stated. Is a Supplemental Form 8 attached? (Note 9) NO Date of disclosure 08 February 2007 Contact name BARCLAYS COMPLIANCE Telephone number 020 7116 2913 If a connected EFM, name of offeree/offeror with which connected If a connected EFM, state nature of connection (Note 10) Notes The Notes on Form 8.3 can be viewed on the Takeover Panel's website at www.thetakeoverpanel.org.uk

Companies

Barclays (BARC)
UK 100