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               19 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       53,432,387      3.59%       44,074,580    2.96%
securities
(2) Derivatives       641,046      0.04%        3,446,533    0.23%
(other than
options)
(3) Options and             0      0.00%              325    0.00%
agreements to
purchase/sell
Total              54,073,433      3.63%       47,521,438    3.19%


(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                  37        7.7550
Purchase             556,200        7.7164
Purchase              77,526        7.7486
Purchase             139,000        7.7139
Purchase             179,212        7.7610
Purchase             225,000        7.7727
Purchase               1,942        7.7600
Purchase               4,676        Transfer
Purchase                 232        7.7469
Purchase                 399        7.7666
Purchase                 880        Transfer
Sale                  14,000        7.7511
Sale                 124,995        7.7573
Sale                   1,468        7.7568
Sale                     500        7.7868
Sale                   1,047        7.7618
Sale                 139,040        7.6405
Sale                 208,560        7.6405
Sale                     693        7.7818
Sale                   1,114        7.7591
Sale                  11,646        7.7550
Sale                     693        7.7818
Sale                     800        7.7235
Sale                      32        7.7491
Sale                   2,000        7.7417
NB: The below transactions which were previously disclosed have been cancelled
Deal Date
12/03/2007 Purchase  400,000        7.7329
13/03/2007 Sale      347,600        7.6405

(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD             Short          77526        7.7485
CFD             Short         179212        7.7609
CFD             Short            399        7.7665
CFD             Long             800        7.7234
CFD             Long              32        7.749
CFD             Long           14000        7.751
CFD             Long          124995        7.7573

(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                         20 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