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               01 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     228,744,551     6.16%      4,681,882     0.13%
securities
(2) Derivatives   18,181,416     0.49%      3,044,451     0.08%
(other than
options)
(3) Options and            0     0.00%              0     0.00%
agreements to
purchase/sell
Total            246,925,967     6.65%      7,726,333     0.21%


(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      1,554                3.2650
Purchase      7,770                3.2725
Purchase      2,331                3.2725
Purchase      3,386                3.2725
Purchase      950                  3.2725
Purchase      3,904                3.2800
Purchase      15,273               3.2600
Sale          1,400                3.2583
Sale          1,800                3.2750
Sale          1,980                3.2750
Sale          1,210                3.2750
Sale          900                  3.2683
Sale          4,200                3.2750
Sale          778                  3.2750
Sale          1,265                3.2750
Sale          2,000                3.2750
Sale          2,140                3.2750
Sale          2,000                3.2608
Sale          61,857               3.2800
Sale          2,000                3.2536
Sale          1,800                3.2750
Sale          1,700                3.2750
Sale          1,165                3.2750
Sale          8,099                3.2800
Sale          790                  3.2750
Sale          900                  3.2750
Sale          2,542                3.2750
Sale          2,000                3.2750
Sale          1,638                3.2961
Sale          2,205                3.2584
Sale          2,700                3.2750
Sale          6,950                3.2698
Sale          820                  3.2750
Sale          486                  3.2750
Sale          2,025                3.2750


(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD            Long          4400          3.2677
CFD            Long          95183         3.2749
CFD            Long          22104         3.276
CFD            Long          22021         3.2772
CFD            Long          328165        3.2782
CFD            Long          201364        3.2795
CFD            Long          164618        3.2801
CFD            Long          10200         3.2827
CFD            Long          168040        3.2871
CFD            Long          38390         3.2946
CFD            Short         35697         3.236
CFD            Short         115080        3.265
CFD            Short         4400          3.2677
CFD            Short         42296         3.2804
CFD            Short         201364        3.2881


(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                         02 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