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 06 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 39,759,870 2.67% 27,227,350 1.83% securities (2) Derivatives 896,815 0.06% 2,158,217 0.14% (other than options) (3) Options and 125 0.00% 68 0.00% agreements to purchase/sell Total 40,656,810 2.73% 29,385,635 1.97% (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 237,200 7.5512 Purchase 4,496 7.5699 Purchase 3,520 7.5650 Purchase 1,169 7.5650 Purchase 306,929 7.5179 Purchase 44,095 7.5006 Purchase 1,034 7.4400 Purchase 15,120 7.5650 Purchase 298,040 7.4983 Purchase 262,360 7.4424 Purchase 262,400 7.5775 Purchase 201 7.5592 Purchase 600,000 7.4893 Sale 1,700 7.4916 Sale 675 7.4916 Sale 550 7.4918 Sale 4,656 7.5388 Sale 34,950 7.5619 Sale 600,000 7.4893 Sale 600,000 7.4893 Sale 175,000 7.4675 Sale 500 7.4866 Sale 600 7.5366 Sale 1,365 7.5600 Sale 560 7.4866 Sale 793 7.5316 Sale 267,000 7.4788 Sale 1,350 7.4916 Sale 65 7.5300 Sale 4,496 7.5785 Sale 925 7.5650 (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 298040 7.4982 CFD Short 44095 7.5005 CFD Short 306929 7.5179 CFD Short 4496 7.5699 CFD Long 600000 7.4893 CFD Long 34950 7.5618 CFD Long 4496 7.5784 (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 07 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