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               11 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      58,826,800     3.95%       5,786,394     0.39%
securities
(2) Derivatives    2,181,981     0.15%       1,259,898     0.08%
(other than
options)
(3) Options and          125     0.00%              68     0.00%
agreements to
purchase/sell

Total             61,008,906     4.10%       7,046,360     0.47%


(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      1,223                7.4450
Purchase      3,119                7.4265
Purchase      75,000               7.4250
Purchase      2,592                7.4350
Purchase      15,120               7.4450
Purchase      100,000              7.4675
Purchase      97,593               7.4450
Purchase      12,000               7.4800
Purchase      6,822                7.4450
Purchase      6,279                7.4365
Purchase      23,929               7.4413
Purchase      50,200               7.4250
Sale          874                  7.4450
Sale          1,587                7.4366
Sale          475                  7.4611
Sale          674                  7.4450
Sale          293                  7.4450
Sale          714                  7.4150
Sale          476                  7.4150
Sale          600                  7.4450
Sale          1,500                7.4450
Sale          793                  7.4150
Sale          912                  7.4150
Sale          2,500                7.4450
Sale          353                  7.4150
Sale          793                  7.4150
Sale          1,223                7.4450
Sale          1,190                7.4450
Sale          500                  7.4150
Sale          1,746                7.4450
Sale          436                  7.4150
Sale          1,223                7.4450
Sale          793                  7.4150
Sale          515                  7.4150
Sale          1,031                7.4150
Sale          550                  7.4450
Sale          590                  7.4916
Sale          700                  7.4150
Sale          714                  7.4150
Sale          795                  7.4611
Sale          1,031                7.4150
Sale          793                  7.4150
Sale          600                  7.4150
Sale          1,468                7.4450
Sale          2,142                7.4150
Sale          793                  7.4150
Sale          800                  7.4150
Sale          793                  7.4150
Sale          675                  7.4150
Sale          476                  7.4150
Sale          793                  7.4150
Sale          750                  7.4150
Sale          793                  7.4150
Sale          634                  7.4150
Sale          12,600               7.4350
Sale          416                  7.4150
Sale          1,500                7.4150
Sale          793                  7.4150
Sale          500                  7.4611
Sale          20,081               7.4336
Sale          714                  7.4150
Sale          1,059                7.4450
Sale          131                  7.4150
Sale          595                  7.4150
Sale          2,013                7.4312
Sale          27,384               7.4336
Sale          1,433                7.4150
Sale          555                  7.4150
Sale          800                  7.4150
Sale          555                  7.4150
Sale          952                  7.4150
Sale          1,031                7.4150
Sale          1,190                7.4150
Sale          198                  7.4268
Sale          714                  7.4150
Sale          1,587                7.4150
Sale          1,000                7.4450
Sale          1,190                7.4450
Sale          281                  7.4150
Sale          436                  7.4150
Sale          396                  7.4150
Sale          952                  7.4450
Sale          961                  7.4150
Sale          950                  7.4611
Sale          700                  7.4150
Sale          875                  7.4450
Sale          3,400                7.4150
Sale          1,547                7.4450
Sale          555                  7.4150
Sale          113                  7.4150
Sale          1,190                7.4450
Sale          1,000                7.4450
Sale          475                  7.4450
Sale          476                  7.4150
Sale          476                  7.4150
Sale          1,230                7.4150
Sale          555                  7.4150
Sale          952                  7.4150
Sale          714                  7.4150
Sale          793                  7.4150
Sale          12,000               7.4800
Sale          850                  7.4150
Sale          515                  7.4150
Sale          476                  7.4150
Sale          793                  7.4450
Sale          793                  7.4150
Sale          1,700                7.4366
Sale          1,150                7.4150
Sale          750                  7.4611
Sale          2,579                7.4150
Sale          357                  7.4150
Sale          1,071                7.4450
Sale          476                  7.4450
Sale          650                  7.4150
Sale          650                  7.4150
Sale          2,380                7.4150
Sale          793                  7.4450
Sale          714                  7.4366
Sale          396                  7.4450
Sale          2,777                7.4268
Sale          349                  7.4150
Sale          700                  7.4150
Sale          714                  7.4150
Sale          746                  7.4150
Sale          500                  7.4611
Sale          555                  7.4150
Sale          961                  7.4150
Sale          1,800                7.4150
Sale          1,230                7.4150
Sale          436                  7.4150
Sale          2,063                7.4150
Sale          500                  7.4150
Sale          400                  7.4616
Sale          700                  7.4150
Sale          750                  7.4150
Sale          788                  7.4150
Sale          595                  7.4150
Sale          665                  7.4668
Sale          515                  7.4150
Sale          1,587                7.4150
Sale          850                  7.4450
Sale          325                  7.4150
Sale          396                  7.4450
Sale          515                  7.4150
Sale          60,996               7.4450
Sale          952                  7.4150
Sale          873                  7.4150
Sale          873                  7.4150
Sale          1,133                7.4150
Sale          714                  7.4450
Sale          700                  7.4150
Sale          437                  7.4150
Sale          793                  7.4150
Sale          1,071                7.4150
Sale          1,587                7.4450
Sale          500                  7.4611
Sale          634                  7.4450
Sale          590                  7.4150
Sale          3,333                7.4150
Sale          600                  7.4150
Sale          700                  7.4150
Sale          900                  7.4316
Sale          555                  7.4450
Sale          500                  7.4150
Sale          793                  7.4150
Sale          873                  7.4150
Sale          635                  7.4150
Sale          1,031                7.4150
Sale          793                  7.4450
Sale          700                  7.4150
Sale          650                  7.4611
Sale          480                  7.4150
Sale          1,587                7.4150
Sale          857                  7.4150
Sale          952                  7.4150
Sale          595                  7.4150
Sale          817                  7.4150
Sale          912                  7.4450
Sale          436                  7.4150
Sale          1,944                7.4450
Sale          1,031                7.4150
Sale          456                  7.4150
Sale          1,000                7.4611
Sale          88                   7.4150
Sale          1,587                7.4450
Sale          13,337               7.4326
Sale          925                  7.4450
Sale          1,111                7.4150
Sale          793                  7.4150
Sale          595                  7.4450
Sale          1,500                7.4450
Sale          1,031                7.4150
Sale          700                  7.4150
Sale          793                  7.4366
Sale          2,437                7.4150
Sale          634                  7.4150
Sale          600                  7.4150
Sale          500                  7.4450
Sale          793                  7.4150
Sale          650                  7.4150
Sale          404                  7.4450
Sale          2,500                7.4616
Sale          650                  7.4611
Sale          1,269                7.4150
Sale          800                  7.4150
Sale          793                  7.4150
Sale          1,587                7.4450
Sale          1,591                7.4450
Sale          793                  7.4150
Sale          714                  7.4150
Sale          650                  7.4150
Sale          4,000                7.4039
Sale          873                  7.4150
Sale          650                  7.4611
Sale          500                  7.4611
Sale          475                  7.4450
Sale          700                  7.4150
Sale          800                  7.4611
Sale          1,190                7.4150
Sale          555                  7.4150
Sale          396                  7.4150
Sale          475                  7.4611
Sale          436                  7.4450
Sale          1,428                7.4150
Sale          436                  7.4450
Sale          793                  7.4150
Sale          793                  7.4150
Sale          475                  7.4611
Sale          1,500                7.4611
Sale          873                  7.4150
Sale          475                  7.4611
Sale          740                  7.4150
Sale          1,587                7.4150
Sale          1,690                7.4150
Sale          9,578                7.4717
Sale          793                  7.4150
Sale          793                  7.4150
Sale          1,850                7.4450
Sale          634                  7.4150
Sale          952                  7.4150
Sale          700                  7.4150
Sale          396                  7.4150
Sale          555                  7.4150
Sale          873                  7.4150
Sale          793                  7.4150
Sale          555                  7.4150
Sale          714                  7.4150
Sale          595                  7.4150
Sale          595                  7.4668
Sale          475                  7.4611
Sale          1,650                7.4150
Sale          1,269                7.4366
Sale          793                  7.4150
Sale          396                  7.4150
Sale          600                  7.4611
Sale          714                  7.4150
Sale          531                  7.4450
Sale          1,746                7.4150
Sale          900                  7.4450
Sale          850                  7.4611
Sale          1,000                7.4150
Sale          1,111                7.4150
Sale          793                  7.4150
Sale          2,142                7.4150
Sale          925                  7.4450
Sale          317                  7.4150
Sale          714                  7.4150
Sale          1,190                7.4450
Sale          515                  7.4150
Sale          873                  7.4150
Sale          714                  7.4150
Sale          1,071                7.4150
Sale          1,587                7.4450
Sale          860                  7.4716
Sale          925                  7.4216
Sale          700                  7.4150
Sale          700                  7.4150
Sale          396                  7.4450
Sale          560                  7.4816
Sale          615                  7.4450
Sale          793                  7.4150
Sale          793                  7.4150
Sale          1,031                7.4150
Sale          277                  7.4150
Sale          500                  7.4150
Sale          396                  7.4150
Sale          1,746                7.4150
Sale          850                  7.4150
Sale          1,746                7.4150
Sale          1,000                7.4611
Sale          475                  7.4450
Sale          1,587                7.4150
Sale          515                  7.4150
Sale          595                  7.4150
Sale          160                  7.4150
Sale          2,623                7.4150
Sale          793                  7.4150
Sale          555                  7.4150
Sale          400                  7.4450
Sale          595                  7.4450
Sale          2,103                7.4450
Sale          952                  7.4150
Sale          793                  7.4150
Sale          694                  7.4150
Sale          600                  7.4450
Sale          595                  7.4150
Sale          133                  7.4150
Sale          1,650                7.4450
Sale          650                  7.4150
Sale          750                  7.4450
Sale          440                  7.4450
Sale          1,349                7.4150
Sale          3,000                7.4618
Sale          146                  7.4450
Sale          952                  7.4150
Sale          325                  7.4150
Sale          1,587                7.4150
Sale          896                  7.4150
Sale          1,587                7.4150
Sale          317                  7.4150
Sale          1,031                7.4150
Sale          1,300                7.4450
Sale          634                  7.4450
Sale          396                  7.4150

NB: The below transactions which were disclosed on 11/01/2007 have been cancelled
Purchase/Sale Number of Securities Price per unit (GBP)
Sale          6,201                7.4863

(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         3119                  7.4264
CFD        Short         6279                  7.4364
CFD        Short         23929                 7.4413
CFD        Long          4000                  7.4038
CFD        Long          13337                 7.4325
CFD        Long          12600                 7.4350


(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                         12 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