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               12 March 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      50,708,395     3.41%      45,400,872     3.05%
securities
(2) Derivatives       99,586     0.01%       2,214,173     0.15%
(other than
options)
(3) Options and          125     0.00%              68     0.00%
agreements to
purchase/sell

Total             50,808,106     3.41%      47,615,113     3.20%


(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      253,156              7.7110
Purchase      75,000               7.7021
Purchase      1,167                7.6450
Purchase      133                  7.6450
Purchase      4,354                Transfer
Purchase      4,548                Transfer
Purchase      1,197                7.7215
Purchase      278,100              7.6507
Purchase      15,522               7.6452
Purchase      1,011                7.7010
Purchase      302                  Transfer
Purchase      1,989                7.6900
Purchase      400,000              7.7000
Sale          1,768                7.6900
Sale          75,000               7.6884
Sale          400,000              7.7000
Sale          1,951                7.6900
Sale          800                  7.7017
Sale          1,598                7.6935
Sale          700                  7.6562
Sale          19,300               7.7310
Sale          695,250              7.6848
Sale          515                  7.6967
Sale          139,000              7.6848
Sale          770                  7.6562
Sale          417,000              7.6848
Sale          84,000               7.7054
Sale          3,904                7.7035
Sale          3,968                7.7017
Sale          670                  7.7055


(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        1011                   7.701
CFD        Short        253156                 7.711
CFD        Short        1197                   7.7215
CFD        Long         1598                   7.6934
CFD        Long         66000                  7.7045
CFD        Long         18000                  7.7084
CFD        Long         19300                  7.7309


(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
None

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                         13 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