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               03 September 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     227,887,222     6.14%      4,614,027     0.12%
securities
(2) Derivatives   18,940,513     0.51%      2,658,587     0.07%
(other than
options)
(3) Options and            0     0.00%              0     0.00%
agreements to
purchase/sell
Total            246,827,735     6.65%      7,272,614     0.20%


(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 Securities Price per unit
                                    (GBP)
Purchase      92,638               3.2346
Purchase      186,588              3.2388
Purchase      85,467               3.2316
Purchase      830                  3.2755
Purchase      4,898                3.2605
Purchase      223,484              3.2281
Purchase      360,000              3.0784
Purchase      1,000                3.2365
Purchase      360,000              3.0784
Purchase      63,207               3.2241
Purchase      9,762                3.2275
Purchase      15,919               3.2275
Purchase      21,572               3.2387
Purchase      42,994               3.2387
Purchase      12,921               3.2387
Purchase      2,316                3.2900
Purchase      178,338              3.2388
Purchase      41,912               3.2387
Sale          68,387               3.2327
Sale          8,270                3.2783
Sale          166,039              3.2279
Sale          43,441               3.2290
Sale          3,217                3.3075
Sale          1,512                3.2296
Sale          63,207               3.2275
Sale          2,570                3.2747
Sale          7,767                3.2270
Sale          221,482              3.2335
Sale          185,662              3.2401
Sale          1,260                3.2761
Sale          1,000                3.2365
Sale          4,898                3.2345
Sale          9,127                3.2250
Sale          1,637                3.2875
Sale          24,188               3.2391
Sale          1,554                3.2409
Sale          360,000              3.0784
Sale          3,000                3.2761
Sale          1,100                3.2208
Sale          1,800                3.2761
Sale          1,675                3.2761
Sale          2,430                3.2109
Sale          648                  3.2709

(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD            Long          9127          3.225
CFD            Long          7767          3.227
CFD            Long          166039        3.2279
CFD            Long          11646         3.2282
CFD            Long          43441         3.2289
CFD            Long          68387         3.2326
CFD            Long          221482        3.2334
CFD            Long          4898          3.2345
CFD            Long          55540         3.2358
CFD            Long          1000          3.2365
CFD            Long          185662        3.24
CFD            Long          163715        3.2452
CFD            Long          4020          3.2707
CFD            Long          2570          3.2746
CFD            Long          8270          3.2783
CFD            Short         360000        3.0784
CFD            Short         223484        3.2281
CFD            Short         85467         3.2316
CFD            Short         92638         3.2345
CFD            Short         1000          3.2365
CFD            Short         364926        3.2388
CFD            Short         4898          3.2604
CFD            Short         830           3.2754

(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)                 NO


Date of disclosure                         04 September 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)


Notes

The Notes on Form 8.3 can be viewed on the Takeover Panel's website at
www.thetakeoverpanel.org.uk