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               05 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      50,878,989     3.42%      44,161,874     2.97%
securities
(2) Derivatives      600,263     0.04%       1,491,809     0.10%
(other than
options)
(3) Options and          125     0.00%              68     0.00%
agreements to
purchase/sell

Total             51,479,377     3.46%      45,653,751     3.07%


(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      460                  Transfer
Purchase      4,147                7.6050
Purchase      262,400              7.7588
Purchase      4,548                7.6050
Purchase      5,025                7.5800
Purchase      11,533               7.5969
Purchase      75,000               7.6385
Purchase      11,760               7.6149
Purchase      160,000              7.5779
Purchase      2,338                7.6050
Sale          47,326               7.5966
Sale          1,000                7.5850
Sale          700                  7.5850
Sale          550                  7.5850
Sale          750                  7.5850
Sale          1,000                7.5850
Sale          350                  7.5850
Sale          1,500                7.5850
Sale          1,000                7.5850
Sale          350                  7.5850
Sale          2,000                7.5850
Sale          1,000                7.5850
Sale          1,031                7.5850
Sale          160,000              7.5779
Sale          6,000                7.5850
Sale          160                  7.5512
Sale          2,250                7.5850
Sale          1,500                7.5850
Sale          1,250                7.5850
Sale          600                  7.5850
Sale          171,934              7.5945
Sale          1,000                7.5850
Sale          1,601                7.6056
Sale          750                  7.5850
Sale          7,500                7.5850
Sale          3,000                7.5850
Sale          1,250                7.5850
Sale          2,000                7.5850
Sale          92,533               7.6079
Sale          10,000               7.5850
Sale          160,000              7.5779
Sale          10,500               7.6051
Sale          6,744                7.5885
Sale          10,000               7.5850
Sale          452                  7.6030
Sale          1,000                7.5850
Sale          850                  7.5850
Sale          1,000                7.5850
Sale          1,000                7.5850
Sale          2,500                7.5850
Sale          1,650                7.5850
Sale          495                  7.6050
Sale          1,250                7.5850
Sale          2,500                7.5850
Sale          1,250                7.5858
Sale          1,500                7.5850
Sale          688,700              7.5585
Sale          750                  7.5850
Sale          132,247              7.5949
Sale          2,750                7.5850
Sale          17,500               7.5850
Sale          990                  7.6112
Sale          1,760                7.6050

NB: The below transactions which were previously disclosed have been cancelled
Deal Date    Purchase/Sale Number of Securities Price per unit (GBP)
27/02/2007   Sale          69,500               7.8721
27/02/2007   Sale          69,500               7.8721


(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         11533                 7.5968
CFD        Short         11760                 7.6149
CFD        Long          160000                7.5778
CFD        Long          6744                  7.5884
CFD        Long          171934                7.5944
CFD        Long          47326                 7.5966
CFD        Long          10500                 7.605


(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                         06 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