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 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     57,860,040       3.88%    48,854,882      3.28%
securities
(2) Derivatives   1,393,721       0.09%     2,849,863      0.19%
(other than
options)
(3) Options and           0       0.00%           231      0.00%
agreements to
purchase/sell
Total            59,253,761       3.98%    51,704,976      3.47%


(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      43,101,000         0.06%              0      0.00%
securities

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

(3) Options and
agreements to             0          0.00%              0      0.00%
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      7,015                8.0000
Purchase      125,000              8.0090
Purchase      237,793              8.0123
Purchase      11,338               8.0100
Purchase      22,785               8.0083
Purchase      1,544                8.0100
Purchase      400,000              8.0108
Sale          652                  8.0100
Sale          6,373                8.0100
Sale          600                  8.0018
Sale          350                  8.0068
Sale          208,575              7.8092
Sale          38                   8.0189
Sale          6,752                8.0101
Sale          31,375               8.0042
Sale          627                  8.0100
Sale          293                  8.0068
Sale          1,650                8.0020
Sale          75,000               8.0042
Sale          32,000               8.0093
Sale          400,000              8.0108
Sale          192,709              8.0080
Sale          400,000              8.0108
Sale          865                  8.0020

NB: The below transactions which were previously disclosed have been cancelled
Deal Date  Purchase/Sale Number of Securities Price per unit (GBP)
22/03/2007 Sale          69,525               7.8092
22/03/2007 Sale          566,700              7.8092
22/03/2007 Sale          139,050              7.8092


(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD            Short         7015          8
CFD            Short         22785         8.0082
CFD            Long          31375         8.0042
CFD            Long          192709        8.0079
CFD            Long          32000         8.0092
CFD            Long          6752          8.01
CFD            Long          400000        8.0108
CFD            Long          38            8.0189

(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                         29 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