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               03 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     105,951,932     3.61%        786,363     0.03%
securities
(2) Derivatives    2,272,895     0.08%        306,548     0.01%
(other than
options)
(3) Options and    1,000,000     0.03%              0     0.00%
agreements to
purchase/sell
Total            109,224,827     3.72%      1,092,911     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      17,600               6.5480
Purchase      600                  6.5811
Purchase      900                  6.6394
Purchase      1,831                6.5860
Purchase      14,725               6.6211
Purchase      113,073              6.6090
Purchase      23,624               6.5095
Purchase      35,774               6.5254
Purchase      40,000               6.5000
Purchase      50,000               6.5300
Purchase      59,145               6.5459
Purchase      64,527               6.5259
Purchase      65,156               6.5829
Purchase      50,000               6.7200
Sale          7,213                6.5480
Sale          87,428               6.5243
Sale          635                  6.6116
Sale          70,334               6.5810
Sale          1,090                6.5480
Sale          1,443                6.5480
Sale          1,443                6.5480
Sale          1,443                6.5480
Sale          1,831                6.5060
Sale          2,535                6.5480
Sale          2,706                6.5480
Sale          9,198                6.6264
Sale          6,400                6.5273
Sale          7,526                6.5480
Sale          598                  6.5480
Sale          61,409               6.5974
Sale          22,268               6.5480
Sale          25,185               6.5810
Sale          26,332               6.5480
Sale          28,272               6.5480
Sale          33,744               6.5709
Sale          4,700                6.6076


(b)  Derivatives transactions  (other than options)
Product name,  Long/Short      Number of       Price per
(e.g. CFD)     (Note 6)        Securities      unit (GBP)
CFD            Long            1831            6.506
CFD            Long            87428           6.5242
CFD            Long            6400            6.5273
CFD            Long            43011           6.5686
CFD            Long            33744           6.5708
CFD            Long            25185           6.5809
CFD            Long            635             6.6116
CFD            Short           3563            6.5099
CFD            Short           34151           6.5179
CFD            Short           55605           6.5182
CFD            Short           35774           6.5254
CFD            Short           59145           6.5458
CFD            Short           15601           6.5695
CFD            Short           8922            6.5742
CFD            Short           600             6.5811
CFD            Short           1831            6.5859
CFD            Short           113073          6.6089
CFD            Short           14725           6.621
CFD            Short           900             6.6394


(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        7482917            3.5698    European        18/09/2009 0
Call Option     Selling           7482917            3.5698    European        18/09/2009 0
Put Option      Purchasing        7482917            3.5698    European        18/09/2009 0
Put Option      Selling           7482917            3.5698    European        18/09/2009 0


(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                         06 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