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 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        65,855,837      4.42%   10,781,875     0.72%
securities
(2) Derivatives      3,530,864      0.24%    1,122,600     0.08%
(other than
options)
(3) Options and      2,564,742      0.17%    3,574,136     0.24%
agreements to
purchase/sell

Total               71,951,443      4.83%    15,478,611    1.04%


(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      35,280               Transfer
Purchase      699                  7.5300
Purchase      5,741                7.6000
Purchase      699                  7.5300
Purchase      33,469               7.5829
Purchase      10,194               7.5833
Purchase      15,120               Transfer
Purchase      8,900                7.5861
Purchase      2,238                7.5850
Purchase      300,000              7.5861
Purchase      6,981                Transfer
Sale          400                  7.6000
Sale          550                  7.5700
Sale          400                  7.5810
Sale          1,250                7.5700
Sale          1,000                7.5806
Sale          800                  7.5700
Sale          650                  7.5810
Sale          499                  7.6000
Sale          1,000                7.5700
Sale          436                  7.6000
Sale          800                  7.5702
Sale          800                  7.5702
Sale          700                  7.5700
Sale          1,000                7.5702
Sale          500                  7.5700
Sale          2,585                7.5785
Sale          650                  7.5702
Sale          1,150                7.5702
Sale          840                  7.5700
Sale          500                  7.5702
Sale          1,300                7.5702
Sale          350                  7.6000
Sale          700                  7.5702
Sale          1,250                7.5702
Sale          400                  7.6000
Sale          1,000                7.5702
Sale          900                  7.5702
Sale          650                  7.5700
Sale          730                  7.5702
Sale          357                  7.6000
Sale          320                  7.5810
Sale          1,142                7.6000
Sale          350                  7.6000
Sale          310                  7.5702
Sale          714                  7.6000
Sale          350                  7.5700
Sale          350                  7.6000
Sale          2,000                7.6000
Sale          740                  7.5702
Sale          2,500                7.5702
Sale          900                  7.5702
Sale          1,300                7.5700
Sale          750                  7.5806
Sale          500                  7.5702
Sale          24,742               7.5806
Sale          850                  7.5702
Sale          500                  7.6000
Sale          410                  7.5810
Sale          500                  7.5700
Sale          793                  7.6006
Sale          500                  7.6000
Sale          400                  7.6000
Sale          800                  7.5702
Sale          1,150                7.5700
Sale          1,200                7.5700
Sale          2,200                7.5702
Sale          1,700                7.5702
Sale          425                  7.6000
Sale          2,500                7.5702
Sale          540                  7.5702
Sale          1,650                7.5702
Sale          300                  7.6000
Sale          4,000                7.5700
Sale          262,360              7.5774
Sale          1,550                7.5702
Sale          400                  7.6000
Sale          400                  7.5810
Sale          192                  7.6000
Sale          350                  7.6000
Sale          600                  7.5810
Sale          310                  7.5700
Sale          250                  7.6000
Sale          300                  7.6000
Sale          500                  7.6000
Sale          1,000                7.5702
Sale          555                  7.5810
Sale          1,500                7.5806
Sale          1,468                7.5713
Sale          1,200                7.5702
Sale          400                  7.6000
Sale          93,000               7.5800
Sale          806                  7.5756
Sale          2,500                7.5702
Sale          300                  7.6000
Sale          800                  7.5702
Sale          400                  7.6000
Sale          1,300                7.5702
Sale          800                  7.5700
Sale          800                  7.5702
Sale          476                  7.6000
Sale          6,868                7.5767
Sale          1,150                7.5702
Sale          400                  7.6000
Sale          1,000                7.5702
Sale          400                  7.6000
Sale          650                  7.6000
Sale          600                  7.5702
Sale          600                  7.5702
Sale          185                  7.6000


(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        10047                 7.5813
CFD        Short        33469                 7.5829
CFD        Short        10194                 7.5832
CFD        Short        308900                7.5861
CFD        Long         700000                7.5590
CFD        Long         500000                7.5649
CFD        Long         2585                  7.5784
CFD        Long         24742                 7.5805
NB: The below transactions which were disclosed on 06/12/2006 have been cancelled
Long/Short Number of Securities Price per unit (GBP)
Long        500,000             7.5649
Long        700,000             7.5590

(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 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