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               28 February 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      50,307,220     3.38%      43,624,815     2.93%
securities
(2) Derivatives      333,342     0.02%       1,468,073     0.10%
(other than
options)
(3) Options and          125     0.00%              68     0.00%
agreements to
purchase/sell

Total             50,640,687     3.40%      45,092,956     3.03%


(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      1,841                7.6500
Purchase      68,535               7.6841
Purchase      307                  7.6500
Purchase      1,197                7.7766
Purchase      7,919                7.6502
Purchase      30                   7.7710
Purchase      8,004                7.6500
Purchase      19,423               7.6500
Purchase      10,50                7.7090
Purchase      73,860               7.7712
Purchase      695,260              7.7521
Purchase      290                  7.6500
Purchase      1,308                7.6500
Purchase      10,671               7.6583
Purchase      556,200              7.7164
Purchase      5,202                7.6850
Purchase      1,903                7.6500
Purchase      16,449               7.6500
Purchase      101,000              7.6947
Sale          1,426,293            7.7164
Sale          336,174              7.8044
Sale          545                  7.7156
Sale          290                  7.6500
Sale          400                  7.7110
Sale          15,324               7.7075
Sale          218,894              7.6882
Sale          429,105              7.6714
Sale          1,529                7.6508
Sale          23,383               7.7977
Sale          4,200                7.7890
Sale          475                  7.7156
Sale          1,903                7.6500
Sale          99                   7.6500
Sale          238,891              7.6500
Sale          1,760                7.6501
Sale          7,919                7.6607
Sale          16,449               7.6500
Sale          475                  7.7156

(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         7919                  7.6502
CFD        Short         10671                 7.6582
CFD        Short         68535                 7.684
CFD        Short         5202                  7.685
CFD        Short         10500                 7.7089
CFD        Short         30                    7.771
CFD        Short         73860                 7.7712
CFD        Short         1197                  7.7765
CFD        Long          7919                  7.6607
CFD        Long          218894                7.6882
CFD        Long          4200                  7.789
CFD        Long          23383                 7.7977
CFD        Long          336174                7.8044


(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.

None


Is a Supplemental Form 8 attached? (Note 9)                 NO


Date of disclosure                         01 March 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