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               22 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       50,784,587      3.41%       46,475,025    3.12%
securities
(2) Derivatives     1,085,664      0.07%        3,398,485    0.23%
(other than
options)
(3) Options and             0      0.00%              200    0.00%
agreements to
purchase/sell
Total              51,870,251      3.48%       49,873,710    3.35%


(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    31,401,000   4.4858571428571      0             0.00%
securities

(2) Derivatives          0    0.00%
(other than
options)

(3) Options and          0    0.00%               0              0.00%
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           27,200               7.8207
Purchase           22,958               7.8766
Purchase              366               7.9000
Purchase          695,251               7.8142
Purchase          140,228               7.8262
Purchase          139,050               7.8092
Purchase            2,917               7.8316
Purchase           20,160               7.9000
Purchase               68               7.8312
Purchase           47,886               7.8570
Purchase           15,273               7.8290
Purchase           23,000               7.9022
Purchase           15,000               7.8257
Purchase          417,150               7.8092
Purchase          278,104               7.8092
Sale              213,700               7.8092
Sale              200,000               7.8437
Sale              175,000               7.8732
Sale              131,180               7.8092
Sale                  698               7.8668
Sale               45,784               7.8276
Sale              417,157               7.8092
Sale              417,200               7.8092
Sale                  390               7.8868
Sale               17,216               7.8716
Sale              139,050               7.8092
Sale               35,561               7.8652
Sale               21,118               7.8204
Sale              131,200               7.8092
Sale               14,700               7.8529
Sale                  793               7.8868
Sale                  600               7.9068
Sale              200,000               7.8437
Sale               23,728               7.8707
Sale              417,150               7.8092
Sale                  726               7.8850
Sale              278,100               7.8092
Sale                5,294               7.8414
Sale                1,000               7.8768
Sale                2,917               7.8516
Sale                  500               7.9018
Sale               39,000               7.8907
Sale               64,436               7.8446
Sale              139,050               7.8092
Sale                2,797               7.8418
Sale              566,700               7.8092
Sale                4,295               7.8900
Sale                  874               7.9018
NB: The below transactions which were previously disclosed have been cancelled
Deal Date
20/03/2007 Sale     700,000             7.8437
19/03/2007 Purchase 139,000             7.7139
20/03/2007 Sale     700,000             7.8437

(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD               Short         400000     7.707
CFD               Short          27200     7.8207
CFD               Short          15000     7.8257
CFD               Short         140228     7.8261
CFD               Short          15273     7.8289
CFD               Short             68     7.8311
CFD               Short           2917     7.8315
CFD               Short          47886     7.8569
CFD               Short          22958     7.8766
CFD               Short          23000     7.9022
CFD               Long          800000     7.8154
CFD               Long           21118     7.8204
CFD               Long           45784     7.8276
CFD               Long            5294     7.8414
CFD               Long           64436     7.8445
CFD               Long            2917     7.8516
CFD               Long           14700     7.8528
CFD               Long           35561     7.8651
CFD               Long           23728     7.8706
CFD               Long           17216     7.8715
CFD               Long          175000     7.8731
CFD               Long           39000     7.8907

(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                         23 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