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               10 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      58,826,800     3.95%       5,786,394     0.39%
securities
(2) Derivatives    2,181,981     0.15%       1,259,898     0.08%
(other than
options)
(3) Options and          125     0.00%              68     0.00%
agreements to
purchase/sell

Total             61,008,906     4.10%       7,046,360     0.47%


(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      30,816               7.4550
Purchase      6,165                7.4618
Purchase      1,169                7.4550
Purchase      75,000               7.4494
Purchase      30,816               7.4550
Purchase      1,867                7.4550
Purchase      11,042               7.4550
Purchase      4,400                7.4550
Purchase      20,054               7.4800
Purchase      6,166                7.4550
Purchase      698                  7.4250
Purchase      12,964               7.4550
Purchase      28,461               7.4550
Purchase      1,804                7.4550
Purchase      49,360               7.4800
Purchase      2,248                7.4315
Purchase      41,300               7.4554
Sale          515                  7.4550
Sale          673                  7.4550
Sale          412                  7.4516
Sale          900                  7.4650
Sale          1,190                7.4650
Sale          800                  7.4650
Sale          476                  7.4650
Sale          49,360               7.4575
Sale          1,500                7.4650
Sale          793                  7.4650
Sale          238                  7.4550
Sale          793                  7.4550
Sale          900                  7.4650
Sale          781                  7.4650
Sale          79,687               7.4531
Sale          1,000                7.4650
Sale          996                  7.4550
Sale          2,010                7.4466
Sale          595                  7.4550
Sale          1,000                7.4616
Sale          2,600                7.4518
Sale          793                  7.4550
Sale          20,054               7.4950
Sale          1,300                7.4650
Sale          272                  7.4550
Sale          900                  7.4550
Sale          952                  7.4550
Sale          476                  7.4550
Sale          30,816               7.4550
Sale          793                  7.4550
Sale          1,000                7.4516
Sale          673                  7.4550
Sale          60,285               7.4531
Sale          793                  7.4650
Sale          793                  7.4550
Sale          81,715               7.4505
Sale          515                  7.4650
Sale          900                  7.4650
Sale          1,100                7.4650
Sale          650                  7.4650
Sale          1,000                7.4550
Sale          972                  7.4550
Sale          793                  7.4550
Sale          1,190                7.4550
Sale          470                  7.4516
Sale          595                  7.4550
Sale          874                  7.4550
Sale          337                  7.4650
Sale          20,054               7.4800
Sale          480                  7.4516
Sale          1,587                7.4550
Sale          108,013              7.4505
Sale          1,307                7.4550
Sale          30,816               7.4550
Sale          634                  7.4550
Sale          1,000                7.4650
Sale          600                  7.4650
Sale          3,700                7.4650
Sale          1,000                7.4650
Sale          28,461               7.4550
Sale          1,190                7.4550
Sale          11,042               7.4550
Sale          1,105                7.4650
Sale          595                  7.4550
Sale          793                  7.4550
Sale          912                  7.4550
Sale          465                  7.4550
Sale          500                  7.4650
Sale          700                  7.4650
Sale          900                  7.4650
Sale          1,130                7.4650
Sale          2,600                7.4650
Sale          674                  7.4550
Sale          49,360               7.4800
Sale          793                  7.4650
Sale          500                  7.4550
Sale          674                  7.4650
Sale          1,477                7.4650
Sale          3,000                7.4454
Sale          44,900               7.4654
Sale          6,320                7.4518
Sale          427                  7.4550
Sale          3,843                7.4506
Sale          595                  7.4550
Sale          1,100                7.4650
Sale          277                  7.4550
Sale          1,746                7.4550
Sale          28,461               7.4550
Sale          1,900                7.4766
Sale          192                  7.4550
Sale          1,587                7.4550
Sale          1,319                7.4650
Sale          555                  7.4550
Sale          932                  7.4550
Sale          972                  7.4550
Sale          992                  7.4550
Sale          16,163               7.4846
Sale          12,964               7.4550
Sale          1,000                7.4518
Sale          793                  7.4550
Sale          1,100                7.4650
Sale          400                  7.4516
Sale          952                  7.4550
Sale          600                  7.4566
Sale          511                  7.4550
Sale          595                  7.4550
Sale          992                  7.4550
Sale          753                  7.4550
Sale          400                  7.4616
Sale          793                  7.4550
Sale          800                  7.4650
Sale          396                  7.4650
Sale          2,300                7.4650
Sale          650                  7.4650


(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         2248                  7.4314
CFD        Short         41300                 7.4553
CFD        Short         400000                7.6379
CFD        Long          3000                  7.4453
CFD        Long          3843                  7.4505
CFD        Long          44900                 7.4653
CFD        Long          400000                7.4750


(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                         12 January 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