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               27 November 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     231,767,737     6.24%     15,933,667     0.43%
securities
(2) Derivatives   33,218,306     0.89%      6,642,094     0.18%
(other than
options)
(3) Options and      977,237     0.03%              0     0.00%
agreements to
purchase/sell
Total            265,963,280     7.16%     22,575,761     0.61%

(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           17,832               2.4075
Purchase           55,300               2.4887
Purchase           10                   Transfer
Purchase           393,518              2.3076
Purchase           32,612               2.3441
Purchase           6,125                2.2939
Purchase           24,518               2.3592
Purchase           11,450               2.3147
Purchase           11,776               2.3202
Purchase           927,900              2.4000
Purchase           775                  2.3475
Purchase           117,194              2.3444
Purchase           34,714               2.3172
Purchase           11,353               2.3110
Purchase           467,988              2.3589
Purchase           4,790                2.3260
Purchase           1,027,126            2.3277
Purchase           168,400              2.9508
Sale               1,665                2.3700
Sale               38,153               2.3459
Sale               84,433               2.3981
Sale               775                  2.3475
Sale               788                  2.3700
Sale               5,000                2.3224
Sale               1,287                2.3700
Sale               652                  2.3700
Sale               945                  2.3700
Sale               90,357               2.3992
Sale               3,000                2.3097
Sale               156,301              2.3200
Sale               78,258               2.3191
Sale               14,090               2.3197
Sale               7,508,426            2.3414
Sale               95,000               2.3485
Sale               4,537,481            3.0775
Sale               664,292              2.3362
Sale               1,300                2.3700
Sale               155,906              2.3197
Sale               1,543                2.3480
Sale               11,450               2.3147
Sale               162                  2.3655
Sale               617                  2.3700
Sale               139,900              2.3229
Sale               1,329                2.3200
Sale               1,327                2.3700
Sale               575                  2.3700
Sale               10                   Transfer

(b)  Derivatives transactions (other than options)
Product name,  Long/Short      Number of       Price per
(e.g. CFD)     (Note 6)        Securities      unit (GBP)
CFD            Long            3000            2.3096
CFD            Long            354510          2.3117
CFD            Long            11450           2.3147
CFD            Long            269774          2.3167
CFD            Long            78258           2.3191
CFD            Long            169996          2.3196
CFD            Long            5000            2.3223
CFD            Long            139900          2.3229
CFD            Long            7508426         2.3414
CFD            Long            38153           2.3458
CFD            Long            775             2.3474
CFD            Long            95000           2.3484
CFD            Long            208489          2.3513
CFD            Long            780590          2.3599
CFD            Long            84433           2.398
CFD            Long            90357           2.3992
CFD            Short           6125            2.2939
CFD            Short           393518          2.3076
CFD            Short           11450           2.3147
CFD            Short           4790            2.326
CFD            Short           1027126         2.3277
CFD            Short           32612           2.344
CFD            Short           117194          2.3443
CFD            Short           775             2.3474
CFD            Short           27659           2.3478
CFD            Short           467988          2.3589
CFD            Short           55300           2.4886

(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                         28 November 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   977,237                3.5881           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