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               04 December 2006

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        66,966,537      4.50%    9,252,296     0.62%
securities
(2) Derivatives      3,110,272      0.21%      786,300     0.05%
(other than
options)
(3) Options and      2,564,742      0.17%    3,574,136     0.24%
agreements to
purchase/sell

Total               72,641,551      4.88%   13,612,732     0.91%


(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
Scottish Power Plc GBP                    (%)                       (%)
(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      304,684              7.5381
Purchase      156,315              7.4712
Purchase      5,706                7.4542
Purchase      25,700               7.4711
Purchase      29,269               7.4565
Purchase      399                  7.4665
Purchase      2,975                7.4872
Purchase      774                  7.4950
Sale          1,400                7.4850
Sale          2,000                7.4400
Sale          952                  7.4956
Sale          393,600              7.4028
Sale          1,000                7.4400
Sale          875                  7.4850
Sale          650                  7.4956
Sale          900                  7.4956
Sale          650                  7.4850
Sale          800                  7.4400
Sale          1,000                7.4400
Sale          675                  7.4850
Sale          1,400                7.4400
Sale          1,500                7.4400
Sale          1,500                7.4400
Sale          1,000                7.4400
Sale          35,000               7.4729
Sale          550                  7.4850
Sale          600                  7.4400
Sale          1,200                7.4400
Sale          1,000                7.4400
Sale          1,100                7.4850
Sale          17,166               7.5435
Sale          1,000                7.4400
Sale          1,500                7.4400
Sale          800                  7.4400
Sale          1,500                7.4850
Sale          16,020               7.4636
Sale          1,300                7.4400
Sale          1,500                7.4400
Sale          1,100                7.4400
Sale          841                  7.4400
Sale          1,500                7.4400
Sale          825                  7.4850
Sale          62,738               7.5211
Sale          2,600                7.4850
Sale          1,500                7.4400
Sale          2,000                7.4400
Sale          1,500                7.4400
Sale          700                  7.4400
Sale          1,000                7.4400
Sale          4,150                7.4850
Sale          1,000                7.4850
Sale          2,000                7.4400
Sale          10,000               7.4400
Sale          8,500                7.4850
Sale          3,325                7.4850
Sale          700                  7.4850
Sale          4,100                7.4850
Sale          725                  7.4850
Sale          1,100                7.4400
Sale          750                  7.4400
Sale          1,600                7.4400
Sale          1,300                7.4400
Sale          750                  7.4850
Sale          1,000                7.4400
Sale          1,200                7.4400
Sale          1,000                7.4400
Sale          3,300                7.4850
Sale          2,500                7.4400
Sale          1,000                7.4400
Sale          1,000                7.4400
Sale          1,800                7.4400
Sale          800                  7.4400
Sale          900                  7.4400
Sale          2,000                7.4400
Sale          800                  7.4400
Sale          500                  7.4400
Sale          600                  7.4400
Sale          7,300                7.4850
Sale          700                  7.4956
Sale          900                  7.4400
Sale          825                  7.4850
Sale          600                  7.4400
Sale          1,500                7.4400
Sale          650                  7.4956
Sale          1,000                7.4400
Sale          650                  7.4850
Sale          800                  7.4400
Sale          1,000                7.4850
Sale          1,000                7.4400
Sale          350                  7.4400
Sale          2,000                7.4400
Sale          1,000                7.4850
Sale          4,175                7.4850
Sale          2,000                7.4400
Sale          4,025                7.4850
Sale          650                  7.4956
Sale          1,000                7.4400
Sale          14,900               7.4850
Sale          650                  7.4850
Sale          650                  7.4850
Sale          600                  7.4850
Sale          4,225                7.4850
Sale          600                  7.4850
Sale          650                  7.4850
Sale          975                  7.4956
Sale          4,325                7.4850
Sale          1,200                7.4400
Sale          4,175                7.4850
Sale          1,400                7.4400
Sale          2,000                7.4400
Sale          825                  7.4850
Sale          1,650                7.4850
Sale          1,400                7.4850
Sale          650                  7.4956
Sale          1,800                7.4400


(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        5706                  7.4541
CFD        Short        29269                 7.4564
CFD        Short        700000                7.4570
CFD        Short        399                   7.4665
CFD        Short        25700                 7.4711
CFD        Short        156315                7.4712
CFD        Long         16020                 7.4636
CFD        Long         62738                 7.5211
CFD        Long         17166                 7.5434

(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                         05 December 2006
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