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               08 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      62,029,563     4.17%      30,901,168     2.08%
securities
(2) Derivatives      308,972     0.02%       2,364,207     0.16%
(other than
options)
(3) Options and          125     0.00%              68     0.00%
agreements to
purchase/sell

Total             62,338,660     4.19%      33,265,443     2.23%


(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      19,601               7.6855
Purchase      5,922                7.7250
Purchase      77,626               7.7250
Purchase      28,870               7.7250
Purchase      1                    7.6750
Purchase      24,400               7.7000
Sale          750                  7.7050
Sale          1,000                7.7050
Sale          262,364              7.6970
Sale          1,000                7.7050
Sale          550                  7.6718
Sale          641                  7.7250
Sale          580                  7.7050
Sale          1,500,000            7.6507
Sale          1,000                7.7050
Sale          2,700                7.7050
Sale          665                  7.7117
Sale          10,569               7.7250
Sale          24,901               7.6899
Sale          2,500                7.6967
Sale          850                  7.7050
Sale          5,038                7.7000
Sale          600                  7.5550
Sale          1,000,000            7.6507
Sale          5,922                7.7250
Sale          1,000,000            7.6507
Sale          1,700                7.7050
Sale          4,300                7.7050
Sale          3,200                7.7050
Sale          10,000               7.7050
Sale          800                  7.6967
Sale          5,000                7.7050
Sale          197,075              7.6825
Sale          1,300                7.7050
Sale          8,000                7.7050
Sale          585                  7.6667
Sale          500                  7.7050
Sale          1,300                7.7050
Sale          23,000               7.7050


(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         600000                7.5469
CFD        Short         19601                 7.6854
CFD        Short         24400                 7.7000
CFD        Long          24901                 7.6898
Swap       Long          3473829               7.6800


(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                         09 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