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               08 December 2006

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        65,252,576     4.38%      10,049,785   0.68%
securities
(2) Derivatives      3,100,636     0.21%       1,130,704   0.08%
(other than
options)
(3) Options and      2,564,742     0.17%       3,574,136   0.24%
agreements to
purchase/sell

Total               70,917,954     4.77%      14,754,625   0.99%


(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
Scottish Power Plc GBP                    (%)                       (%)
(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         131,200             7.5683
Purchase             875             7.5050
Purchase          30,030             7.5261
Purchase           3,342             7.5050
Purchase         272,250             7.5387
Purchase          80,573             7.5281
Purchase          10,080             Transfer
Purchase             366             7.5150
Purchase          19,623             7.5050
Purchase          49,700             7.5197
Purchase          33,904             7.5065
Purchase             600             7.5500
Sale                 450             7.5400
Sale                 500             7.5402
Sale                 800             7.5400
Sale               1,250             7.5000
Sale               6,600             7.5400
Sale                 500             7.5402
Sale                 250             7.5000
Sale                 650             7.5450
Sale                 400             7.5450
Sale               1,000             7.5450
Sale               1,000             7.5402
Sale                 620             7.5400
Sale               1,200             7.5000
Sale                 780             7.5450
Sale              10,100             7.5000
Sale               1,250             7.5400
Sale                 700             7.5450
Sale               1,350             7.5000
Sale                 700             7.5000
Sale                 294             7.5362
Sale               2,500             7.5000
Sale               3,000             7.5135
Sale               3,600             7.5000
Sale                 485             7.5450
Sale                 325             7.5450
Sale               4,400             7.5000
Sale                 999             7.5450
Sale              36,898             7.5634
Sale                 475             7.5450
Sale                 600             7.5450
Sale                 325             7.5400
Sale                 500             7.5400
Sale                 500             7.5402
Sale                 650             7.5300
Sale                 325             7.5300
Sale                 475             7.5450
Sale                 800             7.5400
Sale               1,587             7.5400
Sale                 825             7.5450
Sale                 825             7.5450
Sale               1,000             7.5400
Sale               1,000             7.5400
Sale                 330             7.5450
Sale                 475             7.5400
Sale                 700             7.5000
Sale               1,500             7.5450
Sale               2,000             7.5450
Sale               1,000             7.5402
Sale                 500             7.5402
Sale                 650             7.5400
Sale                 500             7.5400
Sale                 330             7.5450
Sale                 725             7.5450
Sale               1,600             7.5300
Sale                 500             7.5402
Sale                 470             7.5400
Sale               1,250             7.5450
Sale                 500             7.5450
Sale                 793             7.5402
Sale                 400             7.5450
Sale                 800             7.5400
Sale                 800             7.5300
Sale                 700             7.5450
Sale                 500             7.5402
Sale               1,000             7.5450
Sale               2,800             7.5000
Sale                 825             7.5450
Sale                 700             7.5450
Sale              75,000             7.5000
Sale                 587             7.5376
Sale                 480             7.5300
Sale                 670             7.5300
Sale               3,300             7.5000
Sale                 650             7.5450
Sale               1,010             7.5300
Sale                 575             7.5450
Sale              13,666             7.5750
Sale               1,800             7.5000
Sale                 510             7.5300
Sale               2,500             7.5000
Sale               1,100             7.5450
Sale                 480             7.5400
Sale                 775             7.5450
Sale                 490             7.5300
Sale                 500             7.5402
Sale                 317             7.5360
Sale              10,000             7.5000
Sale                 780             7.5450
Sale              50,000             7.5000
Sale               6,000             7.5000
Sale                 500             7.5400
Sale               8,000             7.5000
Sale               1,050             7.5400
Sale                 300             7.5400
Sale                 725             7.5450
Sale                 510             7.5400
Sale               1,945             7.5300
Sale               5,000             7.5000
Sale                 750             7.5450
Sale                 700             7.5450
Sale                 550             7.5450
Sale               8,300             7.5000
Sale               1,000             7.5450
Sale                 800             7.5300
Sale                 475             7.5450
Sale                 625             7.5450
Sale                 300             7.5400
Sale                 600             7.5450
Sale                 805             7.5300
Sale                 900             7.5413
Sale               2,500             7.5400
Sale                 500             7.5402
Sale              66,734             7.5634
Sale                 950             7.5450
Sale                 800             7.5000
Sale                 750             7.5456
Sale                 500             7.5400
Sale               3,500             7.5000
Sale               1,900             7.5450
Sale                 581             7.5500
Sale                 780             7.5450
Sale                 325             7.5450
Sale                 485             7.5450
Sale                 415             7.5106
Sale                 700             7.5000
Sale               1,100             7.5450
Sale               1,300             7.5300
Sale               1,000             7.5000
Sale                 650             7.5450
Sale               3,100             7.5000
Sale               3,800             7.5000
Sale              29,234             7.5358
Sale                 550             7.5400
Sale                 420             7.5400
Sale                 650             7.5450
Sale                 300             7.5400
Sale                 650             7.5300
Sale               3,174             7.5360
Sale                 325             7.5450
Sale               1,425             7.5450
Sale               1,150             7.5000
Sale                 476             7.5402
Sale                 320             7.5450
Sale               3,600             7.5450
Sale               5,200             7.5000
Sale                 590             7.5300
Sale                 500             7.5450
Sale               5,500             7.5000
Sale               9,000             7.5000
Sale                 600             7.5400
Sale               4,200             7.5000
Sale                 325             7.5450
Sale                 600             7.5450
Sale                 490             7.5300
Sale               3,000             7.5000
Sale                 780             7.5450
Sale                 600             7.5402
Sale                 700             7.5450
Sale                 335             7.5450
Sale                 600             7.5000
Sale                 968             7.5113
Sale                 500             7.5000
Sale               3,800             7.5000
Sale                 550             7.5450
Sale                 700             7.5450
Sale                 390             7.5402
Sale                 450             7.5400
Sale              17,000             7.5000
Sale                 720             7.5400
Sale                 625             7.5450
Sale               6,600             7.5000
Sale                 900             7.5450
Sale                 750             7.5400
Sale                 493             7.5402
Sale              19,200             7.5634
Sale                 763             Transfer
Sale               4,000             7.5000
Sale                 850             7.5010
Sale                 630             7.5300
Sale                 625             7.5450
Sale                 800             7.5450
Sale                 625             7.5400
Sale                 950             7.5450
Sale               1,000             7.5400
Sale               1,000             7.5413
Sale                 460             7.5400
Sale                 500             7.5400
Sale               1,750             7.5450
Sale                 645             7.5300
Sale                 335             7.5450
Sale                 999             7.5300
Sale                 500             7.5402
Sale               1,650             7.5450
Sale                 625             7.5450
Sale                 550             7.5400
Sale                 475             7.5450
Sale               1,000             7.5450
Sale                 490             7.5300
Sale               1,000             7.5450
Sale                 133             7.5415
Sale                 800             7.5300
Sale                 861             7.5450
Sale                 500             7.5000
Sale                 625             7.5450
Sale                 753             7.5402
Sale               8,000             7.5000
Sale                 600             7.5000
Sale               1,749             7.5300
Sale                 700             7.5450
Sale                 160             7.5415
Sale               1,000             7.5400
Sale                 375             7.5300
Sale                 800             7.5300
Sale               1,100             7.5000
Sale                 800             7.5450
Sale               1,250             7.5400
Sale               2,000             7.5402
Sale                 430             7.5450
Sale                 147             7.5408
Sale                 658             7.5300
Sale                 550             7.5400
Sale                 625             7.5450
Sale               1,670             7.5300
Sale                 563             7.5400
Sale              10,000             7.5000
Sale                 625             7.5450
Sale               2,000             7.5450
Sale                 793             7.5402
Sale              18,100             7.5000
Sale               1,000             7.5450
Sale              16,810             7.5050
Sale                 620             7.5400
Sale               1,500             7.5000
Sale                 500             7.5402
Sale                 780             7.5450
Sale                 700             7.5450
Sale                 770             7.5000
Sale                 780             7.5450
Sale               1,500             7.5000
Sale               1,450             7.5300
Sale                 805             7.5300
Sale                 750             7.5450
Sale                 720             7.5300
Sale                 350             7.5400
Sale                 650             7.5400
Sale                 400             7.5400
Sale               4,700             7.5000
Sale                 500             7.5400
Sale                 500             7.5000
Sale                 550             7.5450
Sale               6,200             7.5000
Sale                 500             7.5450
Sale               1,000             7.5450
Sale                 325             7.5450
Sale              40,000             7.5000
Sale                 400             7.5450
Sale                 430             7.5450
Sale               2,000             7.5000
Sale                 505             7.5300
Sale                 640             7.5400
Sale                 160             7.5038
Sale               1,200             7.5000
Sale                 500             7.5000
Sale                 625             7.5450
Sale                 780             7.5450
Sale               1,000             7.5450
Sale                 330             7.5450
Sale                 980             7.5300
Sale               9,000             7.5000
Sale               1,100             7.5450
Sale                 325             7.5450
Sale               8,600             7.5400
Sale               2,000             7.5000
Sale                 300             7.5000
Sale                 450             7.5400
Sale                 400             7.5450
Sale               3,500             7.5000
Sale               2,000             7.5450
Sale               1,825             7.5450
Sale               3,140             7.5400
Sale               2,700             7.5000
Sale                 350             7.5000
Sale                 450             7.5406
Sale               1,000             7.5000
Sale                 320             7.5450
Sale                 350             7.5000
Sale                 325             7.5300
Sale                 625             7.5450
Sale               6,500             7.5450
Sale               5,500             7.5000
Sale               1,900             7.5450
Sale               3,100             7.5450
Sale                 930             7.5400
Sale                 950             7.5450
Sale                 730             7.5400
Sale                 600             7.5402
Sale                 625             7.5450
Sale               3,800             7.5000
Sale               3,000             7.5450
Sale                 550             7.5450
Sale               1,300             7.5000
Sale                 500             7.5402
Sale                 480             7.5300
Sale                 490             7.5400
Sale                 780             7.5450
Sale                 590             7.5300
Sale                 350             7.5450
Sale                 625             7.5450
Sale                 480             7.5300
Sale                 725             7.5450
Sale                 600             7.5450
Sale                 800             7.5413
Sale               2,000             7.5000
Sale                 820             7.5360
Sale                 485             7.5450
Sale                 890             7.5300
Sale              87,500             7.5079
Sale                 550             7.5450
Sale                 700             7.5000
Sale                 453             7.5400
Sale                 425             7.5400
Sale                 485             7.5300
Sale              24,600             7.5000
Sale               3,000             7.5000
Sale                 400             7.5400
Sale                 147             7.5363
Sale                 625             7.5450
Sale               1,000             7.5450
Sale                 700             7.5450
Sale               7,200             7.5000
Sale               1,400             7.5400
Sale               9,000             7.5000
Sale               1,650             7.5450
Sale               1,000             7.5402
Sale                 400             7.5300
Sale                 330             7.5450
Sale                 470             7.5400
Sale                 350             7.5400
Sale                 600             7.5400
Sale                 825             7.5450
Sale               1,000             7.5000
Sale               1,250             7.5406
Sale               2,000             7.5000
Sale                 850             7.5400
Sale               1,000             7.5000
Sale                 830             7.5365
Sale               2,200             7.5000
Sale                 430             7.5450
Sale                 450             7.5450
Sale               9,000             7.5000
Sale               1,500             7.5000
Sale                 950             7.5450
Sale                 780             7.5450
Sale               2,650             7.5000
Sale                 880             7.5400
Sale               1,100             7.5156
Sale                 485             7.5450
Sale                 490             7.5450
Sale               1,100             7.5406
Sale               1,000             7.5450
Sale                 485             7.5450
Sale                 400             7.5300
Sale                 650             7.5450
Sale                 400             7.5402
Sale                 147             7.5412
Sale                 325             7.5450
Sale               4,500             7.5000
Sale                 275             7.5400
Sale                 750             7.5400
Sale                 625             7.5450
Sale               1,100             7.5000
Sale                 980             7.5300
Sale                 500             7.5402
Sale                 750             7.5450
Sale                 480             7.5300
Sale                 790             7.5300
Sale                 325             7.5450
Sale               1,000             7.5400
Sale               1,250             7.5413
Sale                 900             7.5450
Sale              29,300             7.5398

(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         33904                 7.5065
CFD         Short         49700                 7.5196
CFD         Short         30030                 7.5261
CFD         Short         80573                 7.5280
CFD         Short        272250                 7.5387
CFD         Long          87500                 7.5078
CFD         Long           3000                 7.5134
CFD         Long          29234                 7.5358

(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                         11 December 2006
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