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               19 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     311,130,049     6.09%      5,235,895     0.10%
securities
(2) Derivatives   23,191,249     0.45%      1,242,590     0.02%
(other than
options)
(3) Options and            0     0.00%              0     0.00%
agreements to
purchase/sell
Total            334,321,298     6.55%      6,478,485     0.13%

(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           288                 2.4400
Purchase           75,546               2.4528
Purchase           672,326              2.4534
Purchase           4,156                2.4759
Purchase           6,000                2.4394
Purchase           3,944                2.4929
Purchase           158,622              2.4543
Purchase           91,441               2.4689
Purchase           288                  2.4350
Purchase           99,875               2.4400
Purchase           300                  2.4304
Purchase           1                    2.4400
Purchase           53,559               2.5098
Purchase           169,880              2.4400
Purchase           4,064                2.4400
Purchase           4,786                2.4400
Purchase           2,032                2.4400
Purchase           12,725               2.4400
Purchase           26,184               2.5500
Purchase           127,031              2.4400
Purchase           17,280               2.4400
Purchase           7,775                2.4400
Sale               99,875               2.4400
Sale               73,251               2.4964
Sale               120,205              2.4400
Sale               75,008               2.4400
Sale               121,672              2.4400
Sale               1,592                2.4646
Sale               35,905               2.4305
Sale               109,547              2.4400
Sale               3,944                2.4546
Sale               1,142                2.4400
Sale               22,639               2.4400
Sale               80,796               2.4917
Sale               86,800               2.5080
Sale               13,957               2.4400
Sale               80                   2.4755
Sale               7,604                2.4979
Sale               381,844              2.5106
Sale               36,190               2.5500
Sale               331                  2.4400
Sale               44,892               2.4400
Sale               92,664               2.4400
Sale               20,080               2.4400
Sale               26,184               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            35905           2.4305
CFD            Long            3944            2.4546
CFD            Long            1592            2.4646
CFD            Long            68871           2.4869
CFD            Long            73251           2.4964
CFD            Long            7604            2.4979
CFD            Long            86800           2.508
CFD            Long            381844          2.5106
CFD            Long            11925           2.5186
CFD            Short           300             2.4303
CFD            Short           6000            2.4394
CFD            Short           75546           2.4528
CFD            Short           672326          2.4533
CFD            Short           158622          2.4542
CFD            Short           297571          2.4565
CFD            Short           69484           2.4668
CFD            Short           21957           2.4755
CFD            Short           4156            2.4759
CFD            Short           34704           2.4851
CFD            Short           3944            2.4928
CFD            Short           19886           2.5259

(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                         22 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)