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               26 August 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     107,032,761     3.65%        962,256     0.03%
securities
(2) Derivatives    1,619,414     0.06%        342,364     0.01%
(other than
options)
(3) Options and    1,000,000     0.03%        750,000     0.03%
agreements to
purchase/sell
Total            109,652,175     3.74%      2,054,620     0.07%


(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      5,261                8.5621
Purchase      9,473                8.2550
Purchase      9,398                8.4009
Purchase      100                  8.2660
Purchase      7,014                8.2972
Purchase      5,882                8.2905
Purchase      9,513                8.3806
Purchase      5,261                8.5621
Purchase      9,473                8.2250
Purchase      5,000                8.2850
Purchase      3,060                8.5863
Purchase      1,730                8.6059
Purchase      1,649                8.2487
Purchase      1,494                8.2550
Purchase      728                  8.2550
Purchase      5,861                8.2094
Purchase      34,528               8.2901
Purchase      14,555               8.3436
Purchase      59,000               8.2878
Purchase      36,355               8.2550
Purchase      69,483               8.3047
Purchase      79,943               8.3049
Purchase      100,000              8.2687
Purchase      18,134               8.2462
Purchase      3,819,387            8.6100
Sale          1,730                8.6150
Sale          75,752               8.3024
Sale          1,800                8.4800
Sale          239,831              8.3515
Sale          1,940                8.3299
Sale          2,494                8.3798
Sale          1,743                8.3150
Sale          3,573                8.2550
Sale          7,732                8.2646
Sale          4,931                8.2949
Sale          69,483               8.3056
Sale          52,005               8.3449
Sale          36,355               8.2550
Sale          23,298               8.2550
Sale          3,819,387            8.6100
Sale          9,473                8.2250
Sale          15,576               8.2941
Sale          10,000               8.2600
Sale          3,573                8.2550


(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD            Long          10000         8.26
CFD            Long          4931          8.2949
CFD            Long          75752         8.3023
CFD            Long          1940          8.3298
CFD            Long          52005         8.3448
CFD            Long          239831        8.3514
CFD            Long          2494          8.3797
CFD            Long          1800          8.48
CFD            Short         5861          8.2093
CFD            Short         18134         8.2462
CFD            Short         100           8.266
CFD            Short         5882          8.2904
CFD            Short         79943         8.3049
CFD            Short         9513          8.3806
CFD            Short         9542          8.4131
CFD            Short         4208          8.5535
CFD            Short         7822          8.5662
CFD            Short         3060          8.5862


(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)
call option     writing           60000              800       EURO            19/03/2010  152
call option     writing           87000              800       EURO            19/03/2010  153
call option     writing           3000               800       EURO            19/03/2010  151


(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                         27 August 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

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   -250,000               800.0000         EURO           19/03/2010
Option            Purchased   1,000,000              720.0000         EURO           18/09/2009
Option            Purchased   500,000                720.0000         EURO           18/12/2009
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