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 04 April 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 60,250,855 4.05% 45,932,938 3.08% securities (2) Derivatives 147,862 0.01% 2,882,257 0.19% (other than options) (3) Options and 0 0.00% 231 0.00% agreements to purchase/sell Total 60,398,717 4.06% 48,815,426 3.28% (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 32,484,000 0.05% 0 0.00% securities (2) Derivatives 0 0.00% (other than options) (3) Options and agreements to 0 0.00% 0 0.00% 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 17,013 8.1900 Purchase 1,000 8.1507 Purchase 55,609 8.1596 Purchase 283,350 8.1656 Purchase 688,700 8.1520 Sale 220 8.1768 Sale 600 8.2168 Sale 600 8.2268 Sale 376 8.1868 Sale 297 8.2066 Sale 39 8.1890 Sale 915 8.1858 Sale 915 8.1858 Sale 4,896 8.2077 Sale 5,514 8.2100 Sale 650 8.1918 Sale 275,500 8.1656 Sale 157,499 8.2027 Sale 181 8.1900 (b) Derivatives transactions (other than options) Product name, Long/Short Number of Price per (e.g. CFD) (Note 6) Securities unit (GBP) CFD Short 1000 8.1507 CFD Short 55609 8.1596 CFD Long 39 8.1889 CFD Long 157499 8.2027 (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 None 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 05 April 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

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Barclays (BARC)
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