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               14 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        52,208,433    3.51%     45,531,764      3.06%
securities
(2) Derivatives        138,876    0.01%      3,229,348      0.22%
(other than
options)
(3) Options and            125    0.00%            268      0.00%
agreements to
purchase/sell
Total               52,347,434    3.51%     48,761,380      3.27%


(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         152,955             7.5813
Purchase          10,000             7.6200
Purchase         125,145             7.5813
Purchase           9,791             7.6532
Purchase           9,791             7.6532
Purchase             900             7.6250
Purchase          35,000             7.6499
Purchase         200,000             7.6777
Purchase           4,758             7.6344
Purchase          44,674             7.6345
Purchase          56,812             7.6406
Purchase         417,200             7.6197
Sale             120,127             7.6498
Sale              11,682             7.6264
Sale             341,358             7.6430
Sale              38,155             7.6467
Sale               1,200             7.6162
Sale              41,135             7.6510
Sale               2,089             7.6250
Sale                 935             7.6864
Sale                 342             7.6216
Sale               4,758             7.5896
Sale               9,791             7.6532
Sale                 302             7.6350
Sale                 530             7.6306


(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD             Short             4758       7.6344
CFD             Short            44674       7.6345
CFD             Short            56812       7.6406
CFD             Short            35000       7.6498
CFD             Short             9791       7.6531
CFD             Short           200000       7.6777
CFD             Long              4758       7.5895
CFD             Long             70000       7.61
CFD             Long             38155       7.6466
CFD             Long            120127       7.6498
CFD             Long             41135       7.651
CFD             Long            271358       7.6515


(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                         15 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