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               15 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     108,083,636     3.69%        392,763     0.01%
securities
(2) Derivatives    1,938,729     0.07%      1,050,979     0.04%
(other than
options)
(3) Options and    1,000,000     0.03%              0     0.00%
agreements to
purchase/sell
Total            111,022,365     3.79%      1,443,742     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      28,186               6.6600
Purchase      967                  6.6600
Purchase      1,004                6.6600
Purchase      1,380                6.4533
Purchase      2,100                6.5398
Purchase      4,116                6.6600
Purchase      6,406                6.4485
Purchase      18,419               6.6600
Purchase      28,340               6.5632
Purchase      40,767               6.4675
Purchase      56,744               6.4855
Purchase      195,858              6.6600
Purchase      48,003               6.5234
Purchase      83,400               6.5513
Purchase      56,486               6.5648
Purchase      12,780               6.6600
Sale          1,000                6.4619
Sale          86,397               6.5228
Sale          1,487                6.4894
Sale          1,618                6.4674
Sale          68,000               6.6258
Sale          2,901                6.5545
Sale          3,895                6.6600
Sale          4,116                6.6600
Sale          5,173                6.4888
Sale          44,770               6.5942
Sale          8,540                6.6600
Sale          12,780               6.6600
Sale          900                  6.2890
Sale          228,291              6.5680
Sale          28,186               6.6600
Sale          51,699               6.4868
Sale          35,370               6.3127
Sale          41,355               6.5692
Sale          67,222               6.2580



(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD            Long          900           6.289
CFD            Long          35370         6.3126
CFD            Long          11469         6.4233
CFD            Long          1618          6.4674
CFD            Long          2901          6.5544
CFD            Long          228291        6.568
CFD            Long          41355         6.5691
CFD            Short         17988         6.2852
CFD            Short         6820          6.3064
CFD            Short         2910          6.3421
CFD            Short         12747         6.3554
CFD            Short         6406          6.4484
CFD            Short         1380          6.4533
CFD            Short         40767         6.4675
CFD            Short         2100          6.5398
CFD            Short         83400         6.5512
CFD            Short         12301         6.5607
CFD            Short         28340         6.5631
CFD            Short         56486         6.5648


(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                         16 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