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               07 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        65,634,250      4.41%    10,858,923    0.73%
securities
(2) Derivatives      3,454,255      0.23%     1,137,600    0.08%
(other than
options)
(3) Options and      2,564,742      0.17%     3,574,136    0.24%
agreements to
purchase/sell

Total               71,653,247      4.81%    15,570,659    1.05%


(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      6,584                7.5750
Purchase      47,835               7.5750
Purchase      528                  7.5550
Purchase      15,000               7.5781
Purchase      77,500               7.5750
Purchase      26,370               7.5586
Purchase      479                  7.5700
Sale          650                  7.5650
Sale          6,550                7.5556
Sale          800                  7.5600
Sale          317                  7.5556
Sale          600                  7.5600
Sale          525                  7.5650
Sale          440                  7.5650
Sale          500                  7.5706
Sale          250                  7.5650
Sale          850                  7.5600
Sale          480                  7.5650
Sale          8,000                7.5600
Sale          1,750                7.5765
Sale          500                  7.5600
Sale          475                  7.5650
Sale          500                  7.5650
Sale          400                  7.5650
Sale          600                  7.5706
Sale          400                  7.5650
Sale          500                  7.5650
Sale          471                  7.5556
Sale          600                  7.5650
Sale          500                  7.5650
Sale          2,500                7.5600
Sale          796                  7.5706
Sale          300                  7.5650
Sale          1,000                7.5600
Sale          1,650                7.5600
Sale          350                  7.5600
Sale          400                  7.5600
Sale          750                  7.5600
Sale          675                  7.5650
Sale          240                  7.5650
Sale          500                  7.5650
Sale          575                  7.5650
Sale          320                  7.5650
Sale          320                  7.5650
Sale          1,500                7.5650
Sale          35,144               7.5784
Sale          575                  7.5650
Sale          800                  7.5600
Sale          2,000                7.5650
Sale          1,000                7.5600
Sale          952                  7.5600
Sale          650                  7.5600
Sale          523                  7.5706
Sale          1,000                7.5565
Sale          320                  7.5650
Sale          675                  7.5650
Sale          1,200                7.5650
Sale          1,000                7.5650
Sale          20,000               7.5784
Sale          1,500                7.5556
Sale          1,200                7.5600
Sale          1,800                7.5600
Sale          425                  7.5650
Sale          750                  7.5600
Sale          350                  7.5650
Sale          500                  7.5650
Sale          450                  7.5706
Sale          1,000                7.5650
Sale          410                  7.5650
Sale          3,000                7.5706
Sale          1,269                7.5706
Sale          900                  7.5650
Sale          1,100                7.5650
Sale          321                  7.5706
Sale          410                  7.5650
Sale          400                  7.5650
Sale          225,000              7.5692
Sale          1,000                7.5650
Sale          660                  7.5650
Sale          500                  7.5600
Sale          660                  7.5650
Sale          460                  7.5650
Sale          780                  7.5650
Sale          1,700                7.5650
Sale          500                  7.5650
Sale          500                  7.5650
Sale          796                  7.5706
Sale          1,000                7.5600
Sale          500                  7.5650
Sale          500                  7.5650
Sale          650                  7.5650
Sale          500                  7.5650
Sale          1,250                7.5600
Sale          500                  7.5600
Sale          1,000                7.5600
Sale          650                  7.5608
Sale          825                  7.5650
Sale          825                  7.5650
Sale          1,375                7.5650
Sale          2,000                7.5650
Sale          1,000                7.5600
Sale          29,894               7.5663
Sale          700                  7.5650


(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        26370                 7.5586
CFD        Short        2633                  7.5720
CFD        Short        77500                 7.5750
CFD        Short        15000                 7.5780
CFD        Long         29894                 7.5663

(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                         08 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