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               03 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     108,433,084     3.70%        875,671     0.03%
securities
(2) Derivatives    1,789,659     0.06%        638,078     0.02%
(other than
options)
(3) Options and    1,500,000     0.05%      6,064,000     0.21%
agreements to
purchase/sell
Total            111,722,743     3.81%      7,577,749     0.26%


(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      3,810                8.1000
Purchase      15,848               8.2105
Purchase      14,130               7.9200
Purchase      12,000               8.2912
Purchase      10,742               8.1833
Purchase      10,000               7.8000
Purchase      9,507                8.0800
Purchase      8,478                8.1750
Purchase      8,011                8.2105
Purchase      7,903                8.2105
Purchase      6,665                8.2105
Purchase      16,150               8.2105
Purchase      4,017                7.9647
Purchase      11,986               8.2105
Purchase      3,095                7.9733
Purchase      3,095                7.9733
Purchase      2,595                8.1309
Purchase      2,500                8.0820
Purchase      2,108                8.1262
Purchase      1,996                8.1750
Purchase      1,885                8.0115
Purchase      1,600                7.9700
Purchase      1,535                8.2105
Purchase      1,231                8.2105
Purchase      1,092                8.1750
Purchase      5,875                8.1700
Purchase      28,976               7.9906
Purchase      73,608               8.1750
Purchase      63,179               8.2105
Purchase      105,000              8.1852
Purchase      16,548               8.2105
Purchase      35,355               8.1387
Purchase      35,000               8.1194
Purchase      86,398               8.1697
Purchase      30,250               8.0200
Purchase      28,728               8.2105
Purchase      148,017              8.2017
Purchase      24,227               8.2105
Purchase      188,089              8.2105
Purchase      21,800               8.2042
Purchase      227,517              8.0667
Purchase      18,882               8.1750
Sale          1,600                8.2350
Sale          5,875                8.1700
Sale          1,885                7.9150
Sale          100                  8.2341
Sale          2,022                7.8025
Sale          100,889              8.1930
Sale          800                  8.2588
Sale          136,296              8.1935
Sale          65,000               8.1944
Sale          10,742               8.2282
Sale          37,484               8.1301
Sale          5,875                8.1750
Sale          7,148                8.1712
Sale          28,129               8.1545
Sale          9,507                8.0809
Sale          304                  8.1750
Sale          130                  8.0150
Sale          20,000               8.2400
Sale          18,340               8.1908
Sale          42,148               8.1282

(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD            Long          32196         7.9435
CFD            Long          81198         7.9906
CFD            Long          8720          7.9908
CFD            Long          41629         8.1213
CFD            Long          26259         8.1294
CFD            Long          16172         8.1343
CFD            Long          7866          8.1477
CFD            Long          18340         8.1907
CFD            Long          100889        8.193
CFD            Long          136296        8.1935
CFD            Long          10742         8.2281
CFD            Long          100           8.2341
CFD            Long          800           8.2587
CFD            Short         4017          7.9647
CFD            Short         227517        8.0667
CFD            Short         2108          8.1262
CFD            Short         10742         8.1832
CFD            Short         148017        8.2016
CFD            Short         21800         8.2042
CFD            Short         12000         8.2912

(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 optio      writing           45000              800       EURO          19/03/2010    141
call optio      writing           150000             800       EURO          19/03/2010    135.5
call optio      writing           150000             800       EURO          19/03/2010    140.5

(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                         04 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