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               12 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      61,951,473     4.16%      31,011,686     2.08%
securities
(2) Derivatives      289,918     0.02%       2,361,097     0.16%
(other than
options)
(3) Options and          125     0.00%              68     0.00%
agreements to
purchase/sell

Total             62,241,516     4.18%      33,372,851     2.24%


(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      1,119                7.6808
Purchase      7,499                7.6900
Purchase      8,661                7.6666
Purchase      146                  Transfer
Sale          330                  7.6720
Sale          900                  7.6720
Sale          146                  7.6720
Sale          860                  7.6720
Sale          800                  7.6720
Sale          300                  7.6720
Sale          27,778               7.6846
Sale          730                  7.6720
Sale          1,000                7.6720
Sale          500                  7.6720
Sale          835                  7.6867
Sale          725                  7.6720
Sale          800                  7.6720
Sale          6,381                7.6858
Sale          655                  7.6720
Sale          1,051                7.6670
Sale          885                  7.6720
Sale          725                  7.6720
Sale          185                  7.6750
Sale          19,132               7.6673
Sale          10,000               7.6797
Sale          1,685                7.6750
Sale          1,658                7.6750
Sale          970                  7.6817
Sale          700                  7.6720
Sale          530                  7.6670
Sale          1,798                7.6750
Sale          800                  7.6720
Sale          1,430                7.6817
Sale          625                  7.6720
Sale          5,500                7.6967
Sale          999                  7.6868


(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         8661                  7.6665
CFD        Long          19132                 7.6672
CFD        Long          10000                 7.6797
CFD        Long          27778                 7.6846


(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                         13 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