Rule 8.3 - CENTRICA

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              CENTRICA
Class of relevant security    ORD GBP0.061728395
to which the dealings being
disclosed relate (Note 2)
Date of dealing               30 October 2008

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     238,249,216     6.42%      1,697,827     0.05%
securities
(2) Derivatives   17,519,007     0.47%      2,047,827     0.06%
(other than
options)
(3) Options and      869,985     0.02%              0     0.00%
agreements to
purchase/sell
Total            256,638,208     6.91%      3,745,654     0.10%

(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           Price per unit
                   Securities          (GBP)
Purchase           4,000               3.0027
Purchase           2,621               3.0614
Purchase           15,330              3.0616
Purchase           6,140               3.0693
Purchase           486                 Transfer
Purchase           800                 3.0555
Purchase           42,225              3.0171
Purchase           35,332              Transfer
Purchase           26,130              3.0375
Purchase           216,130             3.0299
Purchase           15,330              3.0619
Purchase           20,208              3.0170
Purchase           13,300              3.0694
Purchase           271,603             3.0454
Purchase           12,696              3.0366
Purchase           1,900               3.0572
Purchase           6,298               3.0736
Purchase           4,388               3.0461
Purchase           54,936              3.0625
Purchase           94,136              3.0625
Purchase           3,224               3.0625
Purchase           2,418               3.0625
Purchase           51,317              3.0611
Sale               18,947              3.0554
Sale               751                 3.0630
Sale               45,796              3.0634
Sale               8,052               3.0625
Sale               19,789              3.0584
Sale               1,020               2.9980
Sale               4,013               3.0518
Sale               5,683               3.0655
Sale               84,611              3.0447
Sale               303,926             3.0591
Sale               298,302             3.0493
Sale               2,259               Transfer
Sale               5,069               3.0625
Sale               28,130              3.0575
Sale               73,541              3.0652
Sale               818                 3.0680
Sale               910                 3.0542
Sale               800                 3.0430
Sale               23,192              3.0510
Sale               220,306             3.0570
Sale               15,330              3.0619
Sale               2,000               3.0520
Sale               1,900               3.0572
Sale               10,242              3.0390

(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD            Long          21777         3.0218
CFD            Long          10242         3.0389
CFD            Long          84611         3.0446
CFD            Long          298302        3.0493
CFD            Long          23192         3.051
CFD            Long          2000          3.052
CFD            Long          18947         3.0554
CFD            Long          220306        3.0569
CFD            Long          1900          3.0572
CFD            Long          28130         3.0575
CFD            Long          19789         3.0583
CFD            Long          303926        3.0591
CFD            Long          45796         3.0634
CFD            Short         4000          3.0026
CFD            Short         20208         3.017
CFD            Short         42225         3.0171
CFD            Short         216130        3.0298
CFD            Short         12696         3.0365
CFD            Short         26130         3.0374
CFD            Short         234099        3.0447
CFD            Short         165875        3.0448
CFD            Short         271603        3.0453
CFD            Short         800           3.0555
CFD            Short         1900          3.0572
CFD            Short         15330         3.0619
CFD            Short         19440         3.0693

(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)                 YES


Date of disclosure                         31 October 2008
Contact name                               Geoff Smith
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)


SUPPLEMENTAL FORM 8

DETAILS OF OPEN POSITIONS
(This form should be attached to Form 8.1, Form 8.1(b)(ii) or Form 8.3, as appropriate)


OPEN POSITIONS (Note 1)
Product name,     Written or  Number of securities   Exercise price   Type, e.g.     Expiry date
e.g. call option  purchased   to which the option    (Note 2)         American,
                              or derivative relates                   European etc.
Option            Purchased   869,985                4.0304           EURO           18/12/2008

Notes

1. Where there are open option positions or open derivative positions (except for CFD's), full details should be given.
Full details of any existing agreements to purchase or to sell should also be given on this form.

2. For all prices and other monetary amounts, the currency must be stated.

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