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               14 February 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      61,852,920     4.15%      33,889,949     2.28%
securities
(2) Derivatives      289,918     0.02%       2,339,545     0.16%
(other than
options)
(3) Options and          125     0.00%              68     0.00%
agreements to
purchase/sell

Total             62,142,963     4.17%      36,229,562     2.43%


(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           399             7.7266
Purchase         2,334             7.7350
Purchase        21,523             7.7000
Purchase         5,000             7.7248
Purchase           229             7.7350
Sale               725             7.7167
Sale               226             7.7167
Sale            11,689             7.7350
Sale               575             7.7167
Sale               375             7.7167
Sale               675             7.7167
Sale               350             7.7167
Sale               400             7.7167
Sale               950             7.7167
Sale               600             7.7167
Sale               750             7.7167
Sale               475             7.7167
Sale         1,000,000             7.7368
Sale            11,500             7.7003
Sale         1,000,000             7.7368
Sale               400             7.7167
Sale             2,350             7.7167
Sale               900             7.7167
Sale               320             7.7167
Sale               380             7.7167
Sale               160             7.7217
Sale               938             7.7000
Sale            20,790             7.7003
Sale               500             7.7167
Sale            21,523             7.7000
Sale               760             7.7167
Sale             5,560             7.7003
Sale               450             7.7167
Sale         1,000,000             7.7368
Sale               270             7.7167
Sale               475             7.7167

(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            5000              7.7247
CFD          Short             399              7.7265
Swap         Long          3014328              7.7200


(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

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                         15 February 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