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               19 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      49,367,538     3.32%      13,691,825     0.92%
securities
(2) Derivatives    2,081,589     0.14%       1,093,908     0.07%
(other than
options)
(3) Options and          125     0.00%              68     0.00%
agreements to
purchase/sell

Total             51,449,252     3.46%      14,785,801     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            (%)

(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      1,169                7.3850
Purchase      12,587               7.3725
Purchase      10,279               7.3540
Purchase      12,245               7.3950
Purchase      4,300                7.3999
Purchase      33,800               7.3650
Sale          12,245               7.3500
Sale          1,923                7.3470
Sale          1,000                7.3568
Sale          6,100                7.3550
Sale          600                  7.3916
Sale          500                  7.3466
Sale          830                  7.3466
Sale          8,400                7.3812
Sale          52,456               7.3550
Sale          175                  7.3668
Sale          34,328               7.3551
Sale          800,000              7.3896
Sale          78,336               7.3718
Sale          201,740              7.3897
Sale          175                  7.3668
Sale          3,061                7.3516
Sale          850,000              7.3896
Sale          69                   7.3950
Sale          793                  7.3466
Sale          798                  7.3835
Sale          800                  7.3516
Sale          830                  7.3516
Sale          850,000              7.3896
Sale          201,740              7.3897
Sale          201,740              7.3897
Sale          12,245               7.3950

(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          33800               7.3650
CFD          Short          12587               7.3724
CFD          Short           4300               7.3998
CFD          Long           78336               7.3718
CFD          Long            8400               7.3811
CFD          Long             798               7.3835
Swap         Long         2497325               7.3800


(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                         22 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