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 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     107,678,025     3.67%        845,052     0.03%
securities
(2) Derivatives    1,879,380     0.06%        279,526     0.01%
(other than
options)
(3) Options and    1,000,000     0.03%              0     0.00%
agreements to
purchase/sell
Total            110,557,405     3.77%      1,124,578     0.04%


(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      48,434               7.5559
Purchase      4,726                7.3520
Purchase      5,262                7.3520
Purchase      3,573                7.3530
Purchase      135                  7.3520
Purchase      1,024,678            7.3499
Purchase      29,824               7.3520
Purchase      36,591               7.5890
Purchase      40,000               7.4800
Purchase      2,697                7.5210
Purchase      15,000               7.9150
Purchase      1,228                7.3520
Purchase      183,904              7.7540
Purchase      171,853              7.7620
Purchase      44,768               7.5192
Purchase      171,853              7.7620
Purchase      80,000               7.4337
Purchase      2,251                7.3571
Purchase      113,328              7.4346
Purchase      85,927               7.4250
Sale          2,789                7.4242
Sale          3,573                7.3520
Sale          2,251                7.3897
Sale          3,573                7.3530
Sale          800                  7.3802
Sale          600                  7.8640
Sale          3,439                7.4242
Sale          3,590                7.3499
Sale          4,592                7.4242
Sale          5,436                7.4242
Sale          6,081                7.7978
Sale          12,556               7.5027
Sale          36,614               7.5764
Sale          47,020               7.3499
Sale          108,361              7.4222
Sale          116,006              7.3815
Sale          168,950              7.3499
Sale          233,341              7.4364
Sale          805,118              7.3499
Sale          8,019                7.3613


(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD            Long          15910         7.352
CFD            Long          8019          7.3612
CFD            Long          800           7.3802
CFD            Long          116006        7.3814
CFD            Long          2251          7.3897
CFD            Long          108361        7.4222
CFD            Long          233341        7.4363
CFD            Short         2251          7.357
CFD            Short         113328        7.4346
CFD            Short         44768         7.5192
CFD            Short         908           7.7147
CFD            Short         14987         7.8313


(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     Purchasing        57413              3.5698    European        18/09/2009   -2.974
Call Option     Selling           57413              3.5698    European        18/09/2009   -2.974
Put Option      Purchasing        57413              3.5698    European        18/09/2009   -0.039
Put Option      Selling           57413              3.5698    European        18/09/2009   -0.039


(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                         29 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   1,000,000              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