Rule 8.3 - SCOTTISH POWER

FORM 8.3

DEALINGS BY PERSONS WHO OWN OR CONTROL 1% OR MORE OF ANY CLASS OF RELEVANT SECURITY
(Rule 8.3 of The City Code on Takeovers and Mergers)

Name of purchaser/vendor *                        BARCLAYS PLC
Company dealt in                                  SCOTTISH POWER
Relevant security dealt in                        ORD GBP 0. 50
If a connected EFM, name of offeree/offeror with
which connected
If a connected EFM, nature of connection #
Date of dealing                                   17 OCTOBER 2005

DEALINGS †

Amount bought                                     Price per unit (currency must be stated)
16,762                                            5.7375
31,300                                            5.7293

Amount sold                                       Price per unit (currency must be stated)
1,793                                             5.7300
400                                               5.7321
5,600                                             5.7191

Resultant total amount and percentage of the
same relevant security owned or controlled        87,519,651 (4.67%)

IS A SUPPLEMENTAL FORM 8 (DERIVATIVE)/FORM 8 (OPTION) ATTACHED? YES

Date of disclosure  18 OCTOBER 2005
Contact name        BARCLAYS CORPORATE SECRETATRIAT
Telephone number    0207 116 2913

* Specify the owner or controller in addition to the person dealing. The naming of nominees or vehicle companies is
insufficient.

In the case of disclosure of dealings by fund managers on behalf of discretionary clients, the clients need not be
named.

# See the definition of "connected fund managers and principal traders" in the Definitions Section of the Code.

† If disclosing dealings/holdings in derivatives or options, please attach Supplemental Form 8 (Derivative) or
Supplemental Form 8 (Option), as appropriate.

For details of the Code's dealing disclosure requirements, see Rule 8 and its Notes which can be viewed on the Takeover
Panel's website at www.thetakeoverpanel.org.uk.

SUPPLEMENTAL FORM 8 (DERIVATIVE)

DEALINGS/HOLDINGS IN DERIVATIVES
(This form should be attached to Form 8.1, Form 8.1(b)(ii), Form 8.2 or Form 8.3, as appropriate)

Description of all derivative products       CFD - A purchaser of a CFD will realise
disclosed on this form                       a gain if the price of the underlying security
                                             goes up. A seller of a CFD will realise a gain
                                             if the price of the underlying security goes down.
                                             The CFD contracts are open ended and there is no
                                             rollover into new contracts.


Full details of any agreement, arrangement    None
or understanding between the person
disclosing and any other person 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.


WRITING/ENTERING INTO A DERIVATIVE

Product name   Transaction    Writing/        Number of        Reference price   Maturity date
eg long CFD    date           entering into   securities       (currency
                              (indicate as    to which the     must be stated)
                              applicable)     derivative
                                              is referenced
Long CFD       17/10/2005     Written         400              5.7321
Long CFD       17/10/2005     Written         5,600            5.7191
Short CFD      17/10/2005     Written         16,762           5.7375
Short CFD      17/10/2005     Written         31,300           5.7293


CLOSING OUT A DERIVATIVE

Product name   Transaction    Number of        Reference price   Closing out price
eg long CFD    date           securities       (currency         (currency must be
                              to which the     must be stated)   stated)
                              derivative
                              is referenced


DETAILS OF OPEN DERIVATIVES (excluding any transaction set out above)

Product name   Transaction    Written/        Number of        Reference price   Maturity date
eg long CFD    date           entered into    securities       (currency
                              (indicate as    to which the     must be stated)
                              applicable)     derivative
                                              is referenced
Long CFD       16/01/2004     Written         32,800           3.5885
Long CFD       19/01/2004     Written         1,100            3.6296
Short CFD      21/01/2004     Written         9,800            3.6263
Short CFD      22/01/2004     Written         16,900           3.5994
Short CFD      23/01/2004     Written         47,700           3.5386
Long CFD       27/01/2004     Written         22,300           3.5572
Long CFD       28/01/2004     Written         18,200           3.5972
Short CFD      29/01/2004     Written         5,900            3.6254
Short CFD      30/01/2004     Written         25,200           3.5726
Short CFD      10/02/2004     Written         10,800           3.5940
Long CFD       11/02/2004     Written         41,900           3.5271
Short CFD      13/02/2004     Written         28,600           3.4985
Short CFD      18/02/2004     Written         16,900           3.5619
Long CFD       20/02/2004     Written         1,200            3.6171
Long CFD       24/02/2004     Written         4,900            3.6297
Long CFD       01/03/2004     Written         800              3.7496
Long CFD       03/03/2004     Written         38,600           3.7096
Long CFD       12/03/2004     Written         41,800           3.6757
Long CFD       15/03/2004     Written         4,100            3.6846
Short CFD      18/03/2004     Written         1,700            3.6729
Long CFD       22/03/2004     Written         24,800           3.6892
Long CFD       23/03/2004     Written         2,000            3.7246
Long CFD       24/03/2004     Written         39,400           3.6680
Short CFD      30/03/2004     Written         59,500           3.7576
Short CFD      02/04/2004     Written         3,400            3.8503
Short CFD      08/04/2004     Written         6,500            3.8696
Short CFD      13/04/2004     Written         41,000           3.8331
Long CFD       14/04/2004     Written         1,300            3.8781
Long CFD       15/04/2004     Written         43,700           3.9053
Short CFD      19/04/2004     Written         1,000            3.9080
Long CFD       21/04/2004     Written         7,300            3.9195
Short CFD      26/04/2004     Written         51,300           3.8808
Short CFD      10/05/2004     Written         3,700            3.7780
Long CFD