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               24 July 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     107,694,328     3.67%        717,484     0.02%
securities
(2) Derivatives    1,795,262     0.06%        749,002     0.03%
(other than
options)
(3) Options and    1,000,000     0.03%              0     0.00%
agreements to
purchase/sell
Total            110,489,590     3.77%      1,466,486     0.05%


(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      5,797                7.7540
Purchase      1,800                7.8163
Purchase      63,414               7.7505
Purchase      1,755                7.8076
Purchase      27,989               7.7653
Purchase      1,708                7.7880
Purchase      1,000                7.8265
Purchase      1,145                7.8347
Purchase      2,022                7.8004
Purchase      7,570                7.7540
Purchase      400                  7.6949
Purchase      78,097               7.7314
Purchase      47,474               7.7354
Purchase      51,269               7.7540
Purchase      62,000               7.8376
Purchase      39,313               7.8075
Purchase      21,046               7.7876
Purchase      2,431                7.7000
Purchase      25,148               7.7890
Purchase      3,380                7.7540
Purchase      3,380                7.7890
Purchase      5,797                7.7890
Purchase      3,785                7.7540
Purchase      2,199                7.7518
Purchase      5,500                7.6838
Purchase      7,748                7.7796
Purchase      7,788                7.7540
Sale          7,693                7.7902
Sale          46,850               7.7539
Sale          11,035               7.8141
Sale          25,975               7.7626
Sale          13,470               7.7902
Sale          37,222               7.7317
Sale          25,148               7.7890
Sale          42,302               7.7283
Sale          2,169                7.8300
Sale          5,797                7.7890
Sale          5,064                7.8172
Sale          4,560                7.8275
Sale          4,477                7.7902
Sale          3,800                7.7541
Sale          3,800                7.6982
Sale          533                  7.7779
Sale          2,442                7.8472
Sale          74,355               7.7540
Sale          1,750                7.4924
Sale          1,675                7.8271
Sale          1,371                7.8253
Sale          1,005                7.6902
Sale          338,234              7.7400
Sale          77,856               7.7338
Sale          76,942               7.7288
Sale          3,380                7.7890



(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD            Long          42302         7.7283
CFD            Long          76942         7.7288
CFD            Long          77856         7.7338
CFD            Long          338234        7.74
CFD            Long          12583         7.7411
CFD            Long          18710         7.754
CFD            Long          3800          7.7541
CFD            Long          11035         7.8141
CFD            Long          24235         7.8152
CFD            Long          5064          7.8171
CFD            Long          14797         7.8184
CFD            Short         5500          7.6838
CFD            Short         400           7.6949
CFD            Short         78097         7.7314
CFD            Short         47474         7.7353
CFD            Short         63414         7.7504
CFD            Short         7109          7.8136
CFD            Short         1800          7.8162


(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                         27 July 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   400,000                720.0000         EURO           18/09/2009
Option            Purchased   600,000                720.0000         EURO           18/09/2009


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