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 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     34,785,578       2.34%    46,771,020      3.14%
securities
(2) Derivatives           4       0.00%    3 ,387,798      0.23%
(other than
options)
(3) Options and           0       0.00%           231      0.00%
agreements to
purchase/sell
Total            34,785,582       2.34%    50,159,049      3.37%


(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      43,484,000          0.06              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             214,500          8.1411
Purchase             128,700          8.1411
Purchase             121,096          8.1173
Purchase              31,379          8.1250
Purchase             157,300          8.1411
Purchase               7,069          8.1250
Purchase               7,785          8.1250
Purchase               3,600          8.1035
Purchase                 406          8.1450
Purchase               4,664          8.1250
Purchase               1,054          8.1250
Purchase              13,420          Transfer
Purchase              85,000          8.1385
Sale                  57,645          Transfer
Sale                  87,165          Transfer
Sale                  69,001          Transfer
Sale                 201,200          Transfer
Sale                 843,859          Transfer
Sale                  54,887          Transfer
Sale               3,480,788          Transfer
Sale                 373,738          Transfer
Sale                 155,056          Transfer
Sale                  40,615          Transfer
Sale                  46,788          Transfer
Sale                   8,322          Transfer
Sale                  82,848          Transfer
Sale                  13,557          Transfer
Sale               1,456,988          Transfer
Sale                 125,252          Transfer
Sale                   1,750          8.1100
Sale                  46,499          Transfer
Sale                 133,631          Transfer
Sale                     651          8.1018
Sale                   1,000          8.1100
Sale                   9,319          Transfer
Sale                   4,154          Transfer
Sale                 436,006          Transfer
Sale                   6,376          Transfer
Sale                 153,870          Transfer
Sale                  25,576          Transfer
Sale                   1,187          8.1100
Sale                     580          8.1118
Sale                  83,414          Transfer
Sale                   6,525          Transfer
Sale                   4,973          8.1300
Sale                   1,000          8.1100
Sale                   1,945          8.1075
Sale                  76,169          Transfer
Sale                 170,049          Transfer
Sale                  58,684          Transfer
Sale                   1,000          8.1100
Sale                   1,250          8.1100
Sale                 332,139          Transfer
Sale                   1,190          8.1168
Sale                     830          8.1100
Sale                   1,500          8.1100
Sale                 123,853          Transfer
Sale                 209,246          Transfer
Sale                  43,252          Transfer
Sale                  33,030          Transfer
Sale                  18,302          Transfer
Sale                 253,270          Transfer
Sale                   7,199          Transfer
Sale                 379,650          Transfer
Sale                  74,000          8.1195
Sale                 190,159          Transfer
Sale                     794          8.1118
Sale               1,117,461          Transfer
Sale                  18,465          Transfer
Sale                 101,555          Transfer
Sale                  75,000          8.1050
Sale                   1,000          8.1100
Sale                   1,749          8.1068
Sale                  82,246          Transfer
Sale                  85,023          Transfer
Sale                 300,577          Transfer
Sale                   1,000          8.1100
Sale                 151,432          Transfer
Sale                 413,589          Transfer
Sale                   1,750          8.1100
Sale                 608,827          Transfer
Sale                  25,813          Transfer
Sale                   3,500          8.1118
Sale                     500          8.1118
Sale                 133,404          Transfer
Sale                 178,600          8.1311
Sale                  13,600          Transfer
Sale                 239,457          Transfer
Sale                  81,715          Transfer
Sale                   7,936          Transfer
Sale                     800          8.1100
Sale                     580          8.1100
Sale              11,722,896          Transfer
Sale               1,305,595          Transfer
Sale                 457,823          Transfer
Sale                   2,300          8.1418
Sale                   1,000          8.1100
Sale                     699          8.1100
Sale                     918          8.1100
Sale                  39,781          8.1250
Sale                   1,750          8.1100
Sale                  57,277          Transfer
Sale                   3,952          Transfer
Sale                     166          8.1100
Sale                  53,940          Transfer
Sale                   7,785          8.1250
Sale                   1,300          8.1118
Sale                 715,047          Transfer
Sale               1,129,758          Transfer
Sale                   1,587          8.1100
Sale                  30,066          Transfer
Sale               2,743,760          Transfer
Sale                  36,288          Transfer
Sale                  29,361          Transfer
Sale               2,832,929          Transfer
Sale                  23,627          Transfer
Sale                   1,000          8.1100
Sale                  32,577          Transfer
Sale                     760          8.1100
Sale                   5,901          Transfer
Sale                 141,020          Transfer
Sale                     576          8.1100
Sale                 494,075          Transfer
Sale                  68,224          Transfer
Sale                 117,900          Transfer
Sale                  90,072          Transfer
Sale                   1,162          8.1100
Sale                 124,627          Transfer
Sale                  49,780          Transfer
Sale                   1,381          1.0000
Sale                  56,343          Transfer
Sale                  32,737          Transfer
Sale                 145,269          Transfer
Sale                 601,235          Transfer
Sale                  54,069          Transfer
Sale                   1,111          8.1100
Sale                  66,867          Transfer
Sale                  89,395          Transfer
Sale                     223          8.1368
Sale                 148,346          Transfer
Sale                  48,487          Transfer
Sale                  51,044          Transfer
Sale                     901          8.1168
Sale                 131,081          Transfer
Sale                     729          8.1118
Sale                   1,000          8.1100
Sale                  20,237          Transfer
Sale                  24,747          Transfer
Sale                   1,000          8.1100
Sale                  42,283          Transfer
Sale                   8,257          8.1200
Sale                 360,206          Transfer
Sale                  40,457          Transfer
Sale                  88,766          Transfer
Sale                 105,149          Transfer
Sale                  61,089          Transfer
Sale                     651          8.1018
Sale                  83,055          Transfer
Sale                 128,198          Transfer
Sale                   1,000          8.1100
Sale                 110,797          Transfer
Sale                  59,904          Transfer
Sale                  90,530          Transfer
Sale                   2,100          8.1100
Sale                  40,014          Transfer
Sale               1,168,485          Transfer
Sale                 148,907          Transfer
Sale                  51,804          Transfer

(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
                             Securities    unit
CFD               Short        100412        1
CFD               Short          3600        8.1035
CFD               Short        121096        8.1173
Swap              Short        168218        0
CFD               Long          33000        8.1192
CFD               Long          41000        8.1197
CFD               Long           8257        8.12
Swap              Long          84109        0


(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                         17 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