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 March 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       52,806,423      3.55%       44,869,616    3.01%
securities
(2) Derivatives       515,650      0.03%        3,203,827    0.22%
(other than
options)
(3) Options and             0      0.00%              325    0.00%
agreements to
purchase/sell
Total              53,322,073      3.58%       48,073,768    3.23%


(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          3,570             7.7100
Purchase          4,578             7.7250
Purchase         41,237             7.7347
Purchase         82,503             7.7423
Purchase          3,601             7.7250
Purchase          1,114             Transfer
Purchase        125,000             6.5000
Purchase         10,198             7.7510
Purchase          3,063             7.7250
Purchase         34,000             7.7475
Purchase            195             7.7250
Purchase          1,968             7.7250
Purchase         15,120             7.7250
Purchase          3,994             7.7250
Purchase         10,492             7.7250
Purchase        400,000             7.6616
Purchase          1,314             7.7250
Purchase             52             7.7250
Purchase            229             7.7400
Purchase          1,314             7.7250
Purchase         54,912             7.7250
Sale                485             7.7400
Sale            400,000             7.6491
Sale                642             7.7375
Sale                160             7.7467
Sale            124,114             7.7414
Sale                350             7.7417
Sale                 37             7.7389
Sale            475,000             7.7452
Sale              1,314             7.7250
Sale             12,431             7.7450
Sale              1,185             7.7250
Sale                850             7.7550
Sale             11,052             7.7300
Sale                679             7.7250
Sale                458             7.7250
Sale              2,665             7.7250
Sale             12,775             7.7239
Sale                634             7.7567
Sale              1,958             7.7300
Sale                800             7.7467
Sale                700             7.7467
Sale                865             7.7467
Sale                500             7.7317
Sale              1,202             7.7250
Sale              1,250             7.7518

(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD             Short         400000       7.6615
CFD             Short          41237       7.7347
CFD             Short          82503       7.7422
CFD             Short          34000       7.7474
CFD             Short          10198       7.751
CFD             Long          400000       7.6491
CFD             Long           12775       7.7239
CFD             Long              37       7.7389
CFD             Long          124114       7.7414


(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
None

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                         19 March 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