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               31 January 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      43,010,062     2.89%      23,200,207     1.56%
securities
(2) Derivatives    1,830,960     0.12%       1,358,379     0.09%
(other than
options)
(3) Options and          125     0.00%              68     0.00%
agreements to
purchase/sell

Total             44,841,147     3.01%      24,558,654     1.65%


(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      7,669                7.53
Purchase      684                  7.4700
Purchase      14,946               7.4700
Purchase      43,353               7.5127
Purchase      129                  Transfer
Purchase      4,450                7.4700
Purchase      8,942                7.4700
Purchase      66                   7.53
Purchase      452,218              7.5355
Purchase      241                  7.47
Purchase      14,500               7.474
Purchase      71,691               7.4700
Purchase      441                  7.494
Purchase      200,000              7.4962
Purchase      36,891               7.4700
Purchase      9,000                7.5078
Purchase      38,741               7.53
Purchase      10,818               7.4700
Purchase      21,200               7.4915
Sale          515                  7.4950
Sale          1,180                7.4950
Sale          288                  7.4966
Sale          760                  7.4950
Sale          424                  7.4950
Sale          7,523                7.4700
Sale          122,776              7.4832
Sale          820                  7.4950
Sale          1,700                7.4950
Sale          550                  7.4950
Sale          600                  7.4950
Sale          615                  7.4950
Sale          455                  7.4950
Sale          5,000                7.4718
Sale          873                  7.4700
Sale          1,770                7.4950
Sale          1,190                7.4950
Sale          1,333                7.4950
Sale          420                  7.4950
Sale          670                  7.4950
Sale          820                  7.4950
Sale          780                  7.4950
Sale          850                  7.4950
Sale          380                  7.4950
Sale          560                  7.4950
Sale          665                  7.4950
Sale          470                  7.4950
Sale          520                  7.4950
Sale          475                  7.4866
Sale          98                   7.4950
Sale          20,729               7.4700
Sale          71,691               7.4700
Sale          1,630                7.4950
Sale          910                  7.4950
Sale          525                  7.4950
Sale          1,340                7.4966
Sale          476                  7.4816
Sale          820                  7.4950
Sale          850                  7.4916
Sale          540                  7.4950
Sale          1,540                7.4950
Sale          810                  7.4950
Sale          1,770                7.4950
Sale          765                  7.4950
Sale          585                  7.4950
Sale          640                  7.4950
Sale          300                  7.4950
Sale          1,190                7.4816
Sale          550                  7.4950
Sale          1,800                7.4950
Sale          4,130                7.4950
Sale          1,850                7.4950
Sale          3,200                7.4950
Sale          890                  7.4668
Sale          455                  7.4950
Sale          1,700                7.4950
Sale          780                  7.4950
Sale          355                  7.4950
Sale          8,097                7.5100
Sale          1,329                7.4750
Sale          6,970                7.4950
Sale          8,942                7.4700
Sale          880                  7.4950
Sale          1,100                7.4950
Sale          1,060                7.4950
Sale          928                  7.4950
Sale          915                  7.4950
Sale          900                  7.4950
Sale          825                  7.5116
Sale          545                  7.4950
Sale          3,720                7.4950
Sale          3,000                7.4950
Sale          950                  7.4916
Sale          2,070                7.4950
Sale          3,730                7.4950
Sale          1,119                7.4950
Sale          930                  7.4950
Sale          1,923                7.4950
Sale          800                  7.5085
Sale          12,953               7.4909
Sale          726                  7.48
Sale          58,381               7.4763
Sale          12,754               7.47
Sale          95,727               7.4700
Sale          540                  7.4950
Sale          1,070                7.4950
Sale          440                  7.4950
Sale          684                  7.4700
Sale          550                  7.4716
Sale          770                  7.4950
Sale          605                  7.4950
Sale          575                  7.4950
Sale          750                  7.4950
Sale          1,000                7.4950
Sale          38,741               7.53
Sale          680                  7.4950
Sale          855                  7.4950
Sale          690                  7.4950
Sale          1,230                7.4950
Sale          830                  7.4950
Sale          1,587                7.4816
Sale          1,710                7.4950
Sale          615                  7.4950
Sale          430                  7.4950
Sale          633                  7.4950
Sale          910                  7.4950
Sale          1,480                7.4950
Sale          545                  7.4950
Sale          850                  7.4950
Sale          430                  7.4950
Sale          1,980                7.4950
Sale          920                  7.4950
Sale          895                  7.4950
Sale          910                  7.4950
Sale          998                  7.4950
Sale          725                  7.4950
Sale          16,036               7.5300
Sale          1,350                7.4916
Sale          4,450                7.4700
Sale          670                  7.4950
Sale          870                  7.4950
Sale          930                  7.4950
Sale          147                  7.4966
Sale          1,480                7.4950
Sale          1,100                7.4950
Sale          590                  7.4950
Sale          850                  7.4950
Sale          555                  7.4950

NB: The below transactions which were previously disclosed have been cancelled
Deal Date   Purchase/Sale   Number of Securities   Price per unit (GBP)
30/01/2007  Purchase        435,250                7.536


(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         12843                 7.4824


(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                         01 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