Rule 8.3 - XSTRATA PLC

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              XSTRATA PLC
Class of relevant security    ORD USD0.50
to which the dealings being
disclosed relate (Note 2)
Date of dealing               08 September 2009

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     108,182,853     3.69%        971,219     0.03%
securities
(2) Derivatives    1,813,456     0.06%        382,890     0.01%
(other than
options)
(3) Options and    1,500,000     0.05%      6,064,000     0.21%
agreements to
purchase/sell
Total            111,496,309     3.80%      7,418,109     0.25%

(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      11,047               8.7882
Purchase      17                   8.7452
Purchase      12,350               8.7948
Purchase      104,996              8.7826
Purchase      6,235                8.7883
Purchase      7,177                8.7882
Purchase      2,605                8.7885
Purchase      3,016                8.7885
Purchase      50,793               8.5400
Purchase      10,326               8.8000
Purchase      31                   8.7452
Purchase      28,720               8.7882
Purchase      27,912               8.7979
Purchase      11,874               8.7881
Purchase      26,584               8.7700
Purchase      19,716               8.7879
Purchase      18,407               8.7882
Purchase      14,178               8.7882
Purchase      12,176               8.7882
Purchase      31,548               8.7882
Purchase      159                  8.7452
Purchase      3,440                8.7885
Purchase      2,243                8.7885
Purchase      5,246                8.7884
Purchase      1,845                8.7886
Purchase      1,378                8.8150
Purchase      866                  8.7750
Purchase      600                  8.8215
Purchase      12                   8.7452
Purchase      200                  8.7984
Purchase      36                   8.7452
Purchase      145                  8.7452
Purchase      5,967                8.8000
Purchase      93                   8.7452
Purchase      73                   8.7452
Purchase      61                   8.7452
Purchase      60                   8.7452
Purchase      59                   8.7452
Purchase      55                   8.7452
Sale          9,772                8.8000
Sale          5,967                8.8000
Sale          10,000               8.7900
Sale          12,350               8.7957
Sale          27,699               8.7793
Sale          30,000               8.8000
Sale          30,029               8.7087
Sale          31,099               8.7601
Sale          50,793               8.5400
Sale          51,130               8.7850
Sale          54,202               8.7855
Sale          100                  8.8091
Sale          1,100                8.7036
Sale          1,904                8.8000
Sale          2,300                8.8110
Sale          50,530               8.7896

(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD            Long          1100          8.7036
CFD            Long          30029         8.7087
CFD            Long          27699         8.7793
CFD            Long          54202         8.7854
CFD            Long          50530         8.7895
CFD            Long          100           8.8091
CFD            Long          2300          8.811
CFD            Short         104996        8.7825
CFD            Short         19716         8.7878
CFD            Short         27912         8.7979
CFD            Short         200           8.7984
CFD            Short         600           8.8215

(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                         09 September 2009
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

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   -1,010,000             800.0000         EURO           19/03/2010
Option            Purchased   -4,554,000             7.0760           EURO           25/08/2010
Option            Purchased   525,000                720.0000         EURO           19/03/2010
Option            Purchased   500,000                720.0000         EURO           18/12/2009
Option            Purchased   475,000                720.0000         EURO           18/09/2009
Option            Purchased   -500,000               800.0000         EURO           18/12/2009

Notes

1. Where there are open option positions or open derivative positions (except for CFDs), 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