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               28 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     107,292,220     3.66%        978,175     0.03%
securities
(2) Derivatives    1,594,550     0.05%        721,645     0.02%
(other than
options)
(3) Options and   16,351,008     0.56%     20,155,008     0.69%
agreements to
purchase/sell
Total            125,237,778     4.27%     21,854,828     0.75%

(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      1,600                 8.3352
Purchase      24,971                8.2769
Purchase      24,500                8.2624
Purchase      18,648                8.2662
Purchase      50                    8.2950
Purchase      10,370                8.2650
Purchase      3,770                 8.1897
Purchase      3,200                 8.3024
Purchase      2,400                 7.9100
Purchase      27,726                8.1308
Purchase      1,620                 8.1462
Purchase      20,000                7.9300
Purchase      1,573                 8.2742
Purchase      972                   8.1600
Purchase      800                   8.1964
Purchase      715                   8.2650
Purchase      275                   8.2650
Purchase      259                   8.2650
Purchase      115                   8.2748
Purchase      72                    8.2950
Purchase      2,100                 8.1650
Purchase      51,688                8.2650
Purchase      67,747                8.2624
Purchase      73,412                8.2649
Purchase      74,515                8.1479
Purchase      95,520                8.3098
Purchase      58,912                8.2734
Purchase      188,356               8.2700
Purchase      40,572                8.3046
Sale          600                   8.2600
Sale          1,188                 8.2676
Sale          61,306                8.2676
Sale          1,200                 7.9200
Sale          86,894                8.2914
Sale          77,575                8.2665
Sale          2,935                 8.2676
Sale          4,871                 8.2676
Sale          37,764                8.2650
Sale          2,918                 8.1769
Sale          105,000               8.2650
Sale          14,728                8.2676
Sale          27,726                8.1316
Sale          30,000                8.2300
Sale          25,467                8.2676
Sale          25,000                8.2300
Sale          50,746                8.3334
Sale          104,710               8.2650
Sale          3,754                 8.2676
Sale          18,226                8.2584
Sale          20,349                8.2665
Sale          58,548                8.2854
Sale          9,900                 8.1859
Sale          7,141                 8.2899
Sale          4,378                 8.2695
Sale          3,936                 8.2676
Sale          29,438                8.2676
Sale          3,894                 8.2650
Sale          54,942                8.2394

(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD            Long          598           8.17
CFD            Long          15636         8.1721
CFD            Long          2918          8.1769
CFD            Long          23607         8.1797
CFD            Long          9900          8.1859
CFD            Long          3106          8.2171
CFD            Long          25000         8.23
CFD            Long          3380          8.265
CFD            Long          58548         8.2853
CFD            Long          86894         8.2914
CFD            Short         1620          8.1462
CFD            Short         2100          8.165
CFD            Short         800           8.1964
CFD            Short         21848         8.2626
CFD            Short         73412         8.2649
CFD            Short         15653         8.265
CFD            Short         188356        8.27
CFD            Short         58912         8.2734
CFD            Short         95520         8.3097
CFD            Short         1600          8.3352

(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           4554000            8.548     Euro           25/08/2010   7.076

(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                         01 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   -250,000               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