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               12 April 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     58,713,344       3.94%    47,359,273      3.18%
securities
(2) Derivatives     100,416       0.01%     3,134,972      0.21%
(other than
options)
(3) Options and           0       0.00%           231      0.00%
agreements to
purchase/sell
Total            58,813,760       3.95%    50,494,476      3.39%


(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      47,484,000          0.07              0      0.00%
securities

(2) Derivatives            0         0.00%
(other than
options)

(3) Options and
agreements to             0          0.00%              0      0.00%
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            179                8.1300
Purchase        600,000                8.1099
Purchase        429,000                8.1410
Purchase          1,068                8.1050
Purchase         38,222                8.1292
Purchase          2,136                8.1275
Purchase         81,681                8.2000
Purchase        121,233                8.1200
Purchase            160                Transfer
Purchase         22,500                8.1292
Sale            185,058                8.1137
Sale             81,681                8.2000
Sale                300                8.1068
Sale              1,300                8.1068
Sale              1,000                8.1068
Sale              1,068                8.1050
Sale              1,500                8.1068
Sale              1,200                8.1068
Sale                500                8.1068
Sale              5,750                8.1018
Sale                900                8.1068
Sale                640                8.1068
Sale             12,902                8.1139
Sale              1,200                8.1068
Sale              1,660                8.1018
Sale             20,000                8.1450
Sale              2,050                8.1068
Sale              1,050                8.1068
Sale              2,000                8.1068
Sale                317                8.1018
Sale                503                8.1650
Sale                840                8.1068
Sale                469                8.1068
Sale              1,900                8.1068
Sale              4,870                8.1300
Sale              1,000                8.1068
Sale                250                8.1018
Sale              1,645                8.1068
Sale              1,000                8.1068
Sale                910                8.1068
Sale                700                8.1068
Sale                885                8.1168
Sale             98,690                8.1410
Sale            330,310                8.1410
Sale              2,000                8.1068


(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
                             Securities    unit
CFD               Short        95000        8.117
CFD               Short        22500        8.1291
CFD               Short        38222        8.1292
CFD               Short        26233        8.1307
CFD               Long        185058        8.1137
CFD               Long         12902        8.1139


(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                         13 April 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