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               04 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     108,129,582     3.69%        889,298     0.03%
securities
(2) Derivatives    1,772,195     0.06%        330,193     0.01%
(other than
options)
(3) Options and    1,500,000     0.05%      6,064,000     0.21%
agreements to
purchase/sell
Total            111,401,777     3.80%      7,283,491     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      62,751               8.3300
Purchase      34,362               8.3217
Purchase      38,360               8.2851
Purchase      20,000               8.2700
Purchase      42,798               8.3300
Purchase      2,355                8.2550
Purchase      16,113               8.3007
Purchase      10,681               8.3309
Purchase      9,140                8.3300
Purchase      49,263               8.3450
Purchase      34,990               8.2813
Purchase      7,148                8.1712
Purchase      44,500               8.2600
Purchase      75,540               8.2600
Purchase      186,474              8.2814
Purchase      2,656                8.2550
Purchase      413                  8.3563
Purchase      600                  8.3250
Purchase      606                  8.2500
Purchase      1,025                8.2550
Purchase      2,356                8.2974
Purchase      1,795                8.4050
Purchase      8,134                8.3954
Sale          3,000                8.3409
Sale          2,356                8.2983
Sale          10,781               8.3356
Sale          36,261               8.3389
Sale          41,531               8.3452
Sale          43,275               8.3400
Sale          1,795                8.3250
Sale          44,581               8.2847
Sale          45,000               8.3300
Sale          50,273               8.3233
Sale          53,993               8.3284
Sale          83,829               8.3099
Sale          210,721              8.2881
Sale          297,356              8.3338
Sale          1,639                8.2835
Sale          42,798               8.3300

NB: The below transactions which were previously disclosed have been cancelled
Deal Date   Purchase/Sale  Number of Securities  Price per unit (GBP)
03/09/2009  Sale           7,148                 8.1712

(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD            Long          1639          8.2835
CFD            Long          44581         8.2846
CFD            Long          53993         8.3283
CFD            Long          3943          8.3326
CFD            Long          297356        8.3338
CFD            Long          10781         8.3355
CFD            Long          3000          8.3409
CFD            Long          1781          8.3602
CFD            Short         34990         8.2813
CFD            Short         38360         8.285
CFD            Short         10681         8.3308
CFD            Short         413           8.3562


(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                         07 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