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               16 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      58,289,048     3.92%       6,094,164     0.41%
securities
(2) Derivatives    22,087,536    0.14%       1,054,608     0.07%
(other than
options)
(3) Options and          125     0.00%              68     0.00%
agreements to
purchase/sell

Total             60,376,709     4.06%       7,148,840     0.48%


(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      2,888                7.4250
Purchase      10,080               7.4250
Purchase      63,337               7.4250
Purchase      1,354                7.4250
Purchase      11,378               7.4250
Purchase      58,63                7.4265
Purchase      3,391                7.4250
Purchase      23,000               7.4590
Purchase      231                  7.4200
Purchase      9,573                7.4250
Purchase      765                  7.4250
Purchase      7,389                7.4250
Sale          7,381                7.4192
Sale          700                  7.4250
Sale          850                  7.4250
Sale          159                  7.4250
Sale          119,717              7.4441
Sale          1,349                7.4250
Sale          428                  7.4250
Sale          476                  7.4250
Sale          650                  7.4250
Sale          672                  7.4250
Sale          511                  7.4250
Sale          1,153                7.4266
Sale          634                  7.4250
Sale          500                  7.4250
Sale          396                  7.4250
Sale          634                  7.4250
Sale          873                  7.4250
Sale          300                  7.4250
Sale          300                  7.4250
Sale          1,100                7.4250
Sale          500                  7.4250
Sale          650                  7.4250
Sale          492                  7.4250
Sale          3,174                7.4250
Sale          3,150                7.4518
Sale          226                  7.4250
Sale          550                  7.4466
Sale          800                  7.4250
Sale          468                  7.4250
Sale          396                  7.4250
Sale          3,391                7.4250
Sale          7,389                7.4250
Sale          952                  7.4250
Sale          300                  7.4250
Sale          1,600                7.4250
Sale          476                  7.4250
Sale          1,031                7.4250
Sale          874                  7.4250
Sale          2,467                7.4250
Sale          1,125                7.4518
Sale          1,453                7.4250
Sale          475                  7.4250
Sale          900                  7.4466
Sale          384                  7.4250
Sale          1,190                7.4250
Sale          875                  7.4518
Sale          722                  7.4250
Sale          874                  7.4250
Sale          1,482                7.4250
Sale          325                  7.4250
Sale          699                  7.4250
Sale          698                  7.4250
Sale          793                  7.4250
Sale          890                  7.4250
Sale          597                  7.4250
Sale          262,400              7.4163
Sale          714                  7.4250
Sale          765                  7.4250
Sale          1,049                7.4250
Sale          853                  7.4250
Sale          874                  7.4250
Sale          396                  7.4250
Sale          17,998               7.4414
Sale          547                  7.4250
Sale          177                  7.4250
Sale          333                  7.4250
Sale          396                  7.4250
Sale          528                  7.4250
Sale          650                  7.4516
Sale          793                  7.4250
Sale          1,587                7.4250
Sale          9,573                7.4250
Sale          335                  7.4518
Sale          2,888                7.4250
Sale          873                  7.4250
Sale          1                    7.4200
Sale          1,190                7.4250
Sale          500                  7.4618
Sale          3,061                7.4250
Sale          500                  7.4250
Sale          522                  7.4250
Sale          595                  7.4250
Sale          1,398                7.4250
Sale          510                  7.4250
Sale          1,809                7.4250
Sale          653                  7.4250
Sale          952                  7.4250
Sale          800                  7.4250
Sale          77,166               7.4640
Sale          1,190                7.4250

(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         23000                 7.4590
CFD        Long          17998                 7.4414
CFD        Long          119717                7.4440


(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                         17 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