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 17 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 55,134,581 3.70% 8,648,787 0.58% securities (2) Derivatives 2,089,786 0.14% 1,134,744 0.08% (other than options) (3) Options and 125 0.00% 68 0.00% agreements to purchase/sell Total 57,224,492 3.84% 9,783,599 0.66% (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 3,082 7.4200 Purchase 2,248 7.4265 Purchase 2,872 7.4250 Purchase 538 7.3907 Purchase 78,336 7.3815 Purchase 1,083 7.4288 Purchase 1,800 7.3859 Purchase 4,400 7.3800 Purchase 1 7.4250 Purchase 35,343 7.4200 Sale 750 7.4550 Sale 1,200 7.3818 Sale 550 7.4550 Sale 620 7.4550 Sale 500 7.4550 Sale 96,000 7.4653 Sale 990 7.4468 Sale 330 7.4550 Sale 1,900 7.4550 Sale 436 7.4516 Sale 800 7.4550 Sale 2,400 7.4550 Sale 555 7.4550 Sale 325 7.4550 Sale 375 7.3918 Sale 1,250 7.4550 Sale 400 7.4550 Sale 850 7.4550 Sale 350 7.4550 Sale 875 7.4516 Sale 396 7.4366 Sale 238 7.4550 Sale 700 7.4550 Sale 470 7.4550 Sale 2,700 7.4366 Sale 317 7.4516 Sale 850 7.4550 Sale 1,600 7.4550 Sale 403 7.4000 Sale 575 7.4550 Sale 700 7.4550 Sale 600 7.4550 Sale 1,923 7.4550 Sale 700 7.4266 Sale 238 7.4516 Sale 500 7.4550 Sale 780 7.4550 Sale 1,300 7.4550 Sale 1,900 7.4550 Sale 800 7.4550 Sale 650 7.4550 Sale 950 7.4550 Sale 175,000 7.4449 Sale 650 7.4550 Sale 700 7.4550 Sale 296 7.4550 Sale 850 7.4316 Sale 550 7.4550 Sale 15,626 7.4200 Sale 650 7.4366 Sale 325 7.4550 Sale 555 7.4550 Sale 450 7.4550 Sale 550 7.4550 Sale 650 7.4550 Sale 79,807 7.4250 Sale 1,781 7.4550 Sale 480 7.4550 Sale 1,200 7.4550 Sale 850 7.4550 Sale 1,130 7.4550 Sale 192 7.4366 Sale 950 7.4550 Sale 384 7.4516 Sale 500 7.4550 Sale 900 7.4550 Sale 500 7.4550 Sale 800 7.4550 Sale 35,343 7.4200 Sale 873 7.4550 Sale 185 7.4266 Sale 375 7.3818 Sale 800 7.4550 Sale 650 7.4550 Sale 3,190 7.4144 Sale 1,000 7.4550 Sale 800 7.4550 Sale 1,000 7.4366 Sale 543 7.4516 Sale 35,343 7.4200 Sale 650 7.4550 Sale 800 7.4550 Sale 460 7.4516 Sale 1,000 7.4550 Sale 650 7.4550 Sale 416 7.4550 Sale 500 7.4550 Sale 2,100 7.4550 Sale 500 7.4550 Sale 1,000 7.4266 Sale 600 7.4550 Sale 550 7.4550 Sale 1,000 7.3966 Sale 118,412 7.4449 Sale 850 7.4550 Sale 317 7.4550 Sale 1,100 7.4550 Sale 1,288 7.4550 Sale 4,498 7.4385 Sale 1,200 7.4550 Sale 700 7.4550 Sale 850 7.4550 Sale 2,460 7.4016 Sale 3,433 7.4000 Sale 565 7.4250 Sale 874 7.4550 Sale 1,850 7.4550 Sale 800 7.4466 Sale 611 7.4550 Sale 500 7.4550 Sale 1,146 7.4550 Sale 750 7.4550 Sale 800 7.4550 Sale 1,700 7.4550 Sale 480 7.4550 Sale 165,000 7.4216 Sale 1,069 7.4550 Sale 1,311 7.4366 Sale 900 7.4550 Sale 1,250 7.4550 Sale 793 7.4516 Sale 1,000,000 7.4125 Sale 1,073 7.4550 Sale 950 7.4550 Sale 3,082 7.4200 Sale 1,600 7.4550 Sale 1,547 7.4366 Sale 623 7.4516 Sale 620 7.3818 Sale 500,000 7.4125 Sale 436 7.4550 Sale 325 7.4550 Sale 950 7.4550 Sale 900 7.4516 Sale 600 7.4550 Sale 650 7.4550 Sale 2,000 7.4266 Sale 1,179 7.4516 Sale 384 7.4550 Sale 650 7.4550 Sale 600 7.4550 Sale 2,570 7.4516 Sale 1,055 7.4516 Sale 3,166 7.4516 Sale 793 7.4550 Sale 831 7.4550 Sale 793 7.4516 Sale 350 7.4550 Sale 550 7.4550 Sale 650 7.4550 Sale 850 7.4266 Sale 1,500 7.4550 Sale 500 7.4550 Sale 500 7.4550 Sale 1,000,000 7.4125 Sale 600 7.4550 Sale 664 7.4516 Sale 3,082 7.4200 Sale 1,800 7.4550 NB: The below transactions which were previously disclosed have been cancelled Deal Date 17/01/2007 Sale 77,166 7.4640 (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 78336 7.3814 CFD Short 1800 7.3859 CFD Short 2248 7.4264 CFD Long 4498 7.4385 Swap Long 2495804 7.4125 (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 18 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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