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               15 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      58,672,757     3.94%       5,602,487     0.38%
securities
(2) Derivatives    2,069,538     0.14%       1,151,325     0.08%
(other than
options)
(3) Options and          125     0.00%              68     0.00%
agreements to
purchase/sell

Total             60,742,420     4.08%       6,753,880     0.45%


(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      25,300               7.4200
Purchase      570                  7.4310
Purchase      1                    7.3900
Purchase      2,250                7.4065
Purchase      75,000               7.4143
Purchase      19,458               7.4200
Purchase      678                  7.3900
Sale          950                  7.4000
Sale          1,400                7.4000
Sale          150,000              7.4126
Sale          653                  7.4000
Sale          550                  7.4000
Sale          1,250                7.4000
Sale          1,150                7.4000
Sale          650                  7.4000
Sale          1,311                7.4000
Sale          2,875                7.4000
Sale          900                  7.4000
Sale          680                  7.4150
Sale          1,500                7.4000
Sale          1,250                7.4000
Sale          470                  7.4166
Sale          580                  7.4150
Sale          1,450                7.4150
Sale          1,300                7.4000
Sale          600                  7.4150
Sale          1,134                7.4000
Sale          645                  7.4000
Sale          550                  7.4000
Sale          570                  7.4150
Sale          650                  7.4000
Sale          1,100                7.4000
Sale          680                  7.4150
Sale          1,100                7.4000
Sale          1,100                7.4000
Sale          1,800                7.4000
Sale          700                  7.4000
Sale          900                  7.4000
Sale          550                  7.4000
Sale          874                  7.4000
Sale          1,200                7.4150
Sale          595                  7.4000
Sale          1,250                7.4000
Sale          1,100                7.4000
Sale          830                  7.4115
Sale          850                  7.4150
Sale          722                  7.4000
Sale          1,100                7.4000
Sale          750                  7.4000
Sale          650                  7.4000
Sale          1,190                7.4000
Sale          1,749                7.4016
Sale          750                  7.4000
Sale          1,000                7.4000
Sale          793                  7.4000
Sale          700                  7.4000
Sale          549                  7.4000
Sale          3,536                7.4090
Sale          700                  7.4000
Sale          349                  7.4000
Sale          13,498               7.4218
Sale          400                  7.4150
Sale          750                  7.4000
Sale          450                  7.4150
Sale          476                  7.4000
Sale          1,190                7.4000
Sale          1,100                7.4000
Sale          403                  7.4000
Sale          1,184                7.4000
Sale          800                  7.4000
Sale          1,923                7.4000
Sale          900                  7.4000
Sale          1,523                7.4000
Sale          1,150                7.4000
Sale          500                  7.4000
Sale          900                  7.4000
Sale          900                  7.4000
Sale          385                  7.4150
Sale          740                  7.4118
Sale          760                  7.4150
Sale          1,936                7.4000
Sale          333                  7.4000
Sale          800                  7.4000
Sale          700                  7.4000
Sale          550                  7.4000
Sale          1,000                7.4000
Sale          1,800                7.4000
Sale          595                  7.4000
Sale          1,000                7.4000
Sale          800                  7.4000
Sale          380                  7.4150
Sale          450                  7.4000
Sale          500                  7.4000
Sale          900                  7.4000
Sale          500                  7.4000
Sale          900                  7.4150
Sale          750                  7.4000
Sale          1,800                7.4000
Sale          400                  7.4000
Sale          900                  7.4000
Sale          1,500                7.4000
Sale          410                  7.4150
Sale          370                  7.4150
Sale          1,000                7.4000
Sale          550                  7.4000
Sale          765                  7.4000
Sale          900                  7.4000
Sale          1,587                7.4000
Sale          450                  7.4000
Sale          1,500                7.4000
Sale          1,486                7.4000
Sale          550                  7.4000
Sale          900                  7.4000
Sale          750                  7.4000
Sale          500                  7.4000
Sale          912                  7.4000
Sale          1,150                7.4000
Sale          1,587                7.4000
Sale          600                  7.4000
Sale          850                  7.4000
Sale          550                  7.4000
Sale          900                  7.4000
Sale          1,600                7.4000
Sale          1,100                7.4000
Sale          400                  7.4150
Sale          550                  7.4000
Sale          750                  7.4000
Sale          600                  7.4000
Sale          400                  7.4000
Sale          950                  7.4000
Sale          600                  7.4150
Sale          450                  7.4150
Sale          523                  7.4000
Sale          750                  7.4000
Sale          559                  7.4000
Sale          850                  7.4000
Sale          646                  7.4167
Sale          750                  7.4000
Sale          3,700                7.4000
Sale          550                  7.4000
Sale          1,190                7.4016
Sale          650                  7.4000
Sale          896                  7.4000
Sale          1,300                7.4000
Sale          900                  7.4000
Sale          1,100                7.4000
Sale          653                  7.4000
Sale          900                  7.4000
Sale          1,200                7.4000
Sale          650                  7.4000
Sale          1,746                7.4000
Sale          500                  7.4000
Sale          750                  7.4000
Sale          690                  7.4000
Sale          900                  7.4000
Sale          1,500                7.4000
Sale          900                  7.4000
Sale          700                  7.4000
Sale          550                  7.4000
Sale          2,000                7.4000
Sale          1,071                7.4066
Sale          1,293                7.4000
Sale          5,900                7.4250
Sale          1,984                7.4000
Sale          261                  7.4000
Sale          1,200                7.4000
Sale          874                  7.4016
Sale          1,500                7.4000
Sale          1,020                7.4150
Sale          793                  7.4000
Sale          650                  7.4000
Sale          650                  7.4000
Sale          1,300                7.4000
Sale          793                  7.4000
Sale          530                  7.4150
Sale          550                  7.4000
Sale          1,100                7.4000
Sale          400                  7.4150
Sale          550                  7.4000
Sale          555                  7.4000
Sale          750                  7.4000
Sale          700                  7.4000
Sale          1,190                7.4166
Sale          1,269                7.4000
Sale          1,587                7.4000
Sale          540                  7.4150
Sale          796                  7.4000
Sale          1,400                7.4150
Sale          661                  7.4150
Sale          880                  7.4150
Sale          650                  7.4150
Sale          1,200                7.4150
Sale          2,600                7.4000
Sale          900                  7.4000
Sale          600                  7.4000
Sale          1,700                7.4000
Sale          1,587                7.4000
Sale          850                  7.4000
Sale          650                  7.4000
Sale          430                  7.4150
Sale          1,500                7.4000

(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         2250                  7.4064
CFD        Short         25300                 7.4200
CFD        Long          13498                 7.4218
CFD        Long          5900                  7.4250


(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                         16 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