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               13 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      51,713,811     3.47%      45,778,126     3.07%
securities
(2) Derivatives       96,316     0.01%       3,381,286     0.23%
(other than
options)
(3) Options and          125     0.00%             268     0.00%
agreements to
purchase/sell

Total             51,810,252     3.48%      49,159,680     3.30%


(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      12,296               7.6730
Purchase      13,002               7.6250
Purchase      400,000              7.7070
Purchase      200,000              7.6651
Purchase      19,000               7.6328
Purchase      298,212              7.6847
Purchase      21,903               7.6780
Purchase      168,513              7.6900
Purchase      38,855               7.6280
Purchase      278,100              7.6400
Purchase      354,977              7.6685
Sale          278,100              7.6405
Sale          900                  7.6610
Sale          615                  7.6514
Sale          6                    7.6450
Sale          4,881                7.6250
Sale          13,825               7.6447
Sale          27,800               7.6800
Sale          347,600              7.6405
Sale          34,000               7.6255
Sale          7,313                7.6973
Sale          713                  7.6250
Sale          9,791                7.6237
Sale          764                  7.6640
Sale          19,512               7.6627
Sale          1,300                7.6810
Sale          749                  7.6708
Sale          40,000               7.6755
Sale          10,80                7.6738
Sale          773                  7.6806


(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         19000                 7.6327
CFD        Short         200000                7.6651
CFD        Short         354977                7.6684
CFD        Short         12296                 7.673
CFD        Short         21903                 7.6779
CFD        Short         298212                7.6847
CFD        Short         400000                7.707
CFD        Long          9791                  7.6236
CFD        Long          34000                 7.6254
CFD        Long          13825                 7.6447
CFD        Long          19512                 7.6626
CFD        Long          764                   7.664
CFD        Long          33000                 7.6721
CFD        Long          10800                 7.6738
CFD        Long          7000                  7.6914
CFD        Long          7313                  7.6973

(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                         14 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