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 26 January 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 43,345,866 2.91% 20,195,573 1.36% securities (2) Derivatives 2,070,742 0.14% 1,163,421 0.08% (other than options) (3) Options and 125 0.00% 68 0.00% agreements to purchase/sell Total 45,416,733 3.05% 21,359,062 1.43% (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 12,400 7.4650 Purchase 12,000 7.4703 Purchase 8,344 7.4376 Purchase 2,500,000 7.4376 Purchase 560 7.4783 Purchase 559 7.4900 Sale 650 7.4500 Sale 500 7.4500 Sale 450 7.4500 Sale 778 7.4432 Sale 680 7.4500 Sale 400 7.4500 Sale 900 7.4500 Sale 8,994 7.4585 Sale 600 7.4500 Sale 2,000 7.4500 Sale 600 7.4500 Sale 520 7.4500 Sale 480 7.4566 Sale 2,400 7.4500 Sale 830 7.4500 Sale 830 7.4500 Sale 1,700 7.4500 Sale 730 7.4500 Sale 873 7.4566 Sale 1,000 7.4500 Sale 695 7.4500 Sale 700 7.4500 Sale 350 7.4500 Sale 700 7.4500 Sale 2,000 7.4500 Sale 400 7.4500 Sale 750 7.4500 Sale 750 7.4500 Sale 850 7.4500 Sale 650 7.4500 Sale 600 7.4500 Sale 850 7.4500 Sale 2,000 7.4500 Sale 700 7.4500 Sale 900 7.4500 Sale 1,807 7.4900 Sale 810 7.4500 Sale 400 7.4500 Sale 10,000 7.4500 Sale 1,380 7.4500 Sale 8,000 7.4500 Sale 1,475 7.4500 Sale 650 7.4500 Sale 460 7.4500 Sale 1,350 7.4500 Sale 445 7.4500 Sale 2,000 7.4500 Sale 650 7.4500 Sale 500 7.4500 Sale 530 7.4500 Sale 815 7.4500 Sale 674 7.4566 Sale 800 7.4500 Sale 810 7.4500 Sale 350 7.4500 Sale 714 7.4566 Sale 980 7.4500 Sale 500 7.4500 Sale 7,000 7.4500 Sale 595 7.4566 Sale 600 7.4500 Sale 750 7.4566 Sale 1,400 7.4500 Sale 1,000 7.4500 Sale 6,707 7.4650 Sale 1,000 7.4500 Sale 500 7.4500 Sale 650 7.4500 Sale 850 7.4500 Sale 8,200 7.4500 Sale 600 7.4500 Sale 30,460 7.4478 Sale 500 7.4500 Sale 730 7.4500 Sale 369 7.4500 Sale 830 7.4500 Sale 1,000 7.4500 Sale 700 7.4500 Sale 1,000 7.4500 Sale 650 7.4516 Sale 820 7.4500 Sale 1,000 7.4500 Sale 1,000 7.4500 Sale 2,200 7.4566 Sale 490 7.4500 Sale 1,140 7.4500 Sale 436 7.4650 Sale 850 7.4500 Sale 450 7.4500 Sale 650 7.4500 Sale 1,850 7.4500 Sale 900 7.4500 Sale 1,500 7.4500 Sale 1,000 7.4500 Sale 1,000 7.4500 Sale 6,600 7.4558 Sale 610 7.4500 Sale 800 7.4550 Sale 600 7.4500 Sale 560 7.4500 Sale 2,485 7.4566 Sale 645 7.4500 Sale 915 7.4500 Sale 800 7.4500 (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 8344 7.4375 CFD Short 12400 7.4650 CFD Short 12000 7.4702 CFD Long 6600 7.4558 CFD Long 8994 7.4585 Swap Long 2487070 7.4500 (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 29 January 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

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