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               05 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        65,904,419      4.43%   10,459,727     0.70%
securities
(2) Derivatives      3,559,832      0.24%      816,285     0.05%
(other than
options)
(3) Options and      2,564,742      0.17%    3,574,136     0.24%
agreements to
purchase/sell

Total               72,028,993      4.84%   14,850,148     1.00%


(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      6,170                7.5645
Purchase      500,000              7.5650
Purchase      39,800               7.5378
Purchase      19,885               7.5639
Purchase      716                  7.4550
Purchase      2,103                7.5934
Purchase      11,462               7.5700
Purchase      35,280               Transfer
Purchase      5,731                7.5263
Purchase      2,585                7.5015
Purchase      701                  7.5700
Purchase      27,400               7.5739
Sale          600                  7.5665
Sale          800                  7.5600
Sale          1,700                7.5650
Sale          1,000                7.5700
Sale          1,000                7.5700
Sale          660                  7.5575
Sale          400                  7.5600
Sale          299,100              7.5700
Sale          1,500                7.5700
Sale          500                  7.5575
Sale          570                  7.5600
Sale          500                  7.5700
Sale          750                  7.5650
Sale          500                  7.5575
Sale          800                  7.5650
Sale          1,050                7.5650
Sale          750                  7.5650
Sale          900                  7.5575
Sale          700                  7.5600
Sale          600                  7.5600
Sale          1,200                7.5650
Sale          710                  7.5575
Sale          10,000               7.5650
Sale          600                  7.5600
Sale          825                  7.5600
Sale          825                  7.5600
Sale          4,000                7.5650
Sale          1,000                7.5650
Sale          685                  7.5600
Sale          4,000                7.5650
Sale          1,000                7.5650
Sale          1,500                7.5700
Sale          3,000                7.5700
Sale          850                  7.5650
Sale          1,500                7.5650
Sale          850                  7.5600
Sale          1,500                7.5700
Sale          750                  7.5600
Sale          500                  7.5600
Sale          575                  7.5600
Sale          900                  7.5575
Sale          700                  7.5600
Sale          710                  7.5575
Sale          500                  7.5650
Sale          780                  7.5600
Sale          400                  7.5600
Sale          400                  7.5650
Sale          800                  7.5700
Sale          680                  7.5575
Sale          14,481               7.5639
Sale          710                  7.5575
Sale          3,500                7.5700
Sale          850                  7.5600
Sale          396                  7.5650
Sale          3,448                7.5685
Sale          1,000                7.5700
Sale          700                  7.5600
Sale          2,000                7.5650
Sale          500                  7.5650
Sale          660                  7.5600
Sale          500,000              7.5650
Sale          530                  7.5575
Sale          4,000                7.5650
Sale          10,000               7.5650
Sale          1,000                7.5700
Sale          500                  7.5600
Sale          900                  7.5600
Sale          565                  7.5600
Sale          1,000                7.5600
Sale          750                  7.5650
Sale          1,275                7.5650
Sale          575                  7.5700
Sale          500                  7.5650
Sale          530                  7.5575
Sale          3,500                7.5700
Sale          850                  7.5600
Sale          1,800                7.5650
Sale          600                  7.5600
Sale          800                  7.5700
Sale          1,000                7.5650
Sale          960                  7.5650
Sale          695                  7.5650
Sale          2,700                7.5650
Sale          700                  7.5656
Sale          375                  7.5650
Sale          700                  7.5600
Sale          4,272                7.5700
Sale          750                  7.5700
Sale          850                  7.5600
Sale          800                  7.5606
Sale          700                  7.5600
Sale          600                  7.5600
Sale          1,500                7.5575
Sale          420                  7.5650
Sale          2,250                7.5650
Sale          1,530                7.5650
Sale          793                  7.5650
Sale          793                  7.5506
Sale          530                  7.5575
Sale          700                  7.5600
Sale          2,500                7.5650
Sale          510                  7.5600
Sale          700                  7.5700
Sale          750                  7.5700
Sale          1,550                7.5650
Sale          600                  7.5650
Sale          1,100                7.5700
Sale          500                  7.5650
Sale          1,000                7.5650
Sale          600                  7.5600
Sale          675                  7.5600
Sale          600                  7.5600
Sale          800                  7.5600
Sale          700                  7.5600
Sale          900                  7.5600
Sale          850                  7.5600
Sale          1,715                7.5650
Sale          7,900                7.5400
Sale          1,000                7.5600
Sale          12,000               7.5650
Sale          1,000                7.5700
Sale          1,260                7.5650
Sale          793                  7.5575
Sale          750                  7.5700
Sale          1,000                7.5700
Sale          1,000                7.5700
Sale          793                  7.5700
Sale          1,060                7.5650
Sale          1,700                7.5700
Sale          1,500                7.5700
Sale          1,000                7.5575
Sale          555                  7.5575
Sale          1,000                7.5700
Sale          530                  7.5575
Sale          420                  7.5600
Sale          660                  7.5600
Sale          1,000                7.5700
Sale          805                  7.5650
Sale          600                  7.5700
Sale          1,000                7.5700
Sale          2,170                7.5650
Sale          6,000                7.5606
Sale          350                  7.5656
Sale          900                  7.5650
Sale          610                  7.5600
Sale          1,500                7.5650
Sale          420                  7.5600
Sale          750                  7.5600
Sale          600                  7.5700
Sale          550                  7.5700
Sale          800                  7.5700
Sale          1,000                7.5700
Sale          500,000              7.5650
Sale          4,000                7.5650
Sale          550                  7.5600
Sale          650                  7.5700
Sale          1,500                7.5650
Sale          800                  7.5600
Sale          600                  7.5600
Sale          666                  7.5575
Sale          1,000                7.5700
Sale          400                  7.5650
Sale          825                  7.5600
Sale          227                  7.5660
Sale          4,805                7.5650
Sale          525                  7.5650
Sale          2,000                7.5650
Sale          800                  7.5600
Sale          500                  7.5600
Sale          3,000                7.5650
Sale          2,500                7.5650
Sale          420                  7.5700
Sale          700                  7.5600
Sale          750                  7.5700
Sale          1,500                7.5650
Sale          1,045                7.5650
Sale          1,000                7.5600
Sale          650                  7.5700
Sale          1,500                7.5650
Sale          850                  7.5600
Sale          1,300                7.5600
Sale          1,000                7.5700
Sale          1,500                7.5700
Sale          1,400                7.5650
Sale          420                  7.5600
Sale          1,335                7.5650
Sale          500                  7.5600
Sale          1,250                7.5700
Sale          475                  7.5600
Sale          700                  7.5600
Sale          357                  7.5600
Sale          1,300                7.5600
Sale          860                  7.5650
Sale          1,000                7.5700
Sale          300,000              7.5664
Sale          1,500                7.5700
Sale          2,500                7.5700
Sale          500                  7.5575
Sale          5,000                7.5650
Sale          600                  7.5600
Sale          850                  7.5600
Sale          1,200                7.5575
Sale          1,134                7.5700
Sale          1,250                7.5700
Sale          716                  7.4550
Sale          750                  7.5600
Sale          750                  7.5600
Sale          600                  7.5600
Sale          1,200                7.5650
Sale          785                  7.5600
Sale          800                  7.5600
Sale          710                  7.5575
Sale          900                  7.5650
Sale          850                  7.5600
Sale          889                  7.5600
Sale          2,000                7.5650
Sale          3,543                7.5700
Sale          650                  7.5650
Sale          1,500                7.5650
Sale          750                  7.5700


(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        2585                  7.5015
CFD        Short        39800                 7.5377
CFD        Short        19885                 7.5638
CFD        Short        27400                 7.5739
CFD        Short        2103                  7.5933
CFD        Long         7900                  7.5400
CFD        Long         500000                7.5649
CFD        Long         3448                  7.5684

(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                         06 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