Rule 8.3 - CENTRICA

NB: On the previously issued 8.3 disclosure for Centrica the Long Position was shown incorrectly due to a miscalculation
of the recent rights issue.

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               18 December 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     311,047,124     6.09%      5,213,523     0.10%
securities
(2) Derivatives   23,599,027     0.46%        989,166     0.02%
(other than
options)
(3) Options and      977,237     0.03%              0     0.00%
agreements to
purchase/sell
Total            334,646,151     6.55%      6,202,689     0.12%

(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           59,428              2.4653
Purchase           5,423               2.5500
Purchase           4,784               2.5500
Purchase           7,700               2.4550
Purchase           15,950              2.4704
Purchase           482                 2.4654
Purchase           3,542               2.5500
Purchase           22,900              2.4627
Purchase           8,134               2.5500
Purchase           198,672             2.4760
Purchase           38,989              2.4618
Purchase           9,300               2.4550
Purchase           125,757             2.4738
Purchase           13,900              2.4621
Purchase           15,100              2.5504
Purchase           8,162               2.4804
Purchase           5,080               2.5500
Purchase           150,853             2.5014
Purchase           171,930             2.5014
Purchase           34,152              2.5500
Purchase           5,550               2.5500
Purchase           138,184             2.5015
Purchase           21,714              2.5500
Purchase           9,384               2.5500
Purchase           15,129              2.5016
Purchase           221,936             2.5500
Purchase           36,190              2.5500
Sale               37,476              2.5079
Sale               4,173               2.4646
Sale               8,162               2.4296
Sale               222,904             2.5092
Sale               14,386              2.4745
Sale               36,190              2.5500
Sale               143,071             2.5089
Sale               1,670               Transfer
Sale               258,036             2.4971
Sale               30,000              2.4600
Sale               49,500              2.4839
Sale               3,750               2.4880
Sale               41,577              2.5500
Sale               7,954               2.5500
Sale               42,683              2.5500

(b)  Derivatives transactions (other than options)
Product name,  Long/Short      Number of       Price per
(e.g. CFD)     (Note 6)        Securities      unit (GBP)
CFD            Long            8162            2.4296
CFD            Long            35368           2.4544
CFD            Long            4173            2.4646
CFD            Long            14386           2.4744
CFD            Long            49500           2.4838
CFD            Long            258036          2.497
CFD            Long            37476           2.5079
CFD            Long            143071          2.5088
CFD            Long            222904          2.5092
CFD            Short           180922          2.453
CFD            Short           63116           2.4538
CFD            Short           38989           2.4617
CFD            Short           13900           2.4621
CFD            Short           22900           2.4626
CFD            Short           59428           2.4652
CFD            Short           482             2.4653
CFD            Short           15950           2.4703
CFD            Short           125757          2.4737
CFD            Short           198672          2.476
CFD            Short           8162            2.4803
CFD            Short           110030          2.5481
CFD            Short           15100           2.5503

(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                         19 December 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)