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              01 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     107,634,056     3.67%        888,620     0.03%
securities
(2) Derivatives    1,630,689     0.06%        611,412     0.02%
(other than
options)
(3) Options and    1,500,000     0.05%      5,719,000     0.19%
agreements to
purchase/sell
Total            110,764,745     3.78%      7,219,032     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      7,141                8.0044
Purchase      1,517                7.8450
Purchase      45,969               7.9763
Purchase      34,831               8.0171
Purchase      33,784               7.9988
Purchase      32,984               8.0152
Purchase      25,955               8.0171
Purchase      24,725               8.0171
Purchase      20,000               7.9700
Purchase      15,689               8.0171
Purchase      48,000               7.9300
Purchase      8,568                8.0595
Purchase      47,624               7.9846
Purchase      5,017                8.1793
Purchase      4,712                7.9705
Purchase      4,088                8.0171
Purchase      3,082                7.8650
Purchase      2,991                7.9300
Purchase      2,711                7.9300
Purchase      2,400                8.1641
Purchase      2,355                8.0934
Purchase      2,189                7.9300
Purchase      10,340               8.0171
Purchase      500                  8.1500
Purchase      270,000              8.0435
Purchase      48,808               8.0171
Purchase      372                  8.2200
Purchase      115,627              8.0364
Purchase      111,924              7.9415
Purchase      123                  8.1900
Purchase      70,265               8.0171
Purchase      60,848               8.1158
Purchase      500                  8.1900
Purchase      582                  8.1750
Purchase      51,688               7.9300
Purchase      452                  8.0171
Sale          121,871              8.0290
Sale          633                  8.0902
Sale          2,282                8.0631
Sale          1,000                8.0100
Sale          303                  8.2550
Sale          240                  7.9652
Sale          45,969               7.9639
Sale          12,798               8.1440
Sale          15,906               8.0188
Sale          111,924              7.9423
Sale          64,012               8.0007
Sale          35,735               7.9790
Sale          37,418               7.9987
Sale          1,800                8.2000
Sale          59,299               8.0376
Sale          51,688               7.9300
Sale          124,092              8.0190


(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD            Long          54034         7.9571
CFD            Long          5259          7.9582
CFD            Long          5180          7.9637
CFD            Long          91938         7.9638
CFD            Long          3228          7.973
CFD            Long          35735         7.979
CFD            Long          124092        8.019
CFD            Long          121871        8.0289
CFD            Long          59299         8.0376
CFD            Long          2282          8.0631
CFD            Long          1800          8.2
CFD            Short         500           7.91
CFD            Short         91938         7.9762
CFD            Short         47624         7.9846
CFD            Short         115627        8.0364
CFD            Short         2355          8.0934
CFD            Short         60848         8.1157
CFD            Short         37054         8.144
CFD            Short         2400          8.164

NB: The below transactions which were previously disclosed have been cancelled
Deal Date    Long/Short   Number of Securities   Price per unit (GBP)
01/09/2009   Short        45,969                 7.9762
01/09/2009   Long         45,969                 7.9638


(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           125000             800       EUR             19/03/2010  133.5
call option     writing           290000             800       EURO            19/03/2010  132


(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                         02 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   -665,000               800.0000         EURO           19/03/2010
Option            Purchased   -4,554,000             7.0760           EURO           25/08/2010
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