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               29 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     108,321,165     3.69%        724,034     0.02%
securities
(2) Derivatives    1,750,666     0.06%        650,245     0.02%
(other than
options)
(3) Options and    1,000,000     0.03%              0     0.00%
agreements to
purchase/sell
Total            111,071,831     3.79%      1,374,279     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      21,743               7.4500
Purchase      722                  7.2980
Purchase      2,435                7.2757
Purchase      6,250                7.4311
Purchase      6,922                7.2980
Purchase      6,922                7.2920
Purchase      7,700                7.4448
Purchase      8,019                7.3806
Purchase      9,755                7.2910
Purchase      11,035               7.2465
Purchase      15,231               7.2435
Purchase      1,350,230            7.3486
Purchase      29,970               7.3679
Purchase      50,313               7.3693
Purchase      12,400               7.3953
Purchase      68,146               7.3115
Purchase      144,300              7.3520
Purchase      58,365               7.3520
Purchase      83,047               7.4229
Purchase      513,958              7.3933
Purchase      46,850               7.3769
Sale          2,435                7.2549
Sale          2,000                7.2729
Sale          3,977                7.3144
Sale          1,033,782            7.3486
Sale          4,176                7.3928
Sale          4,610                7.3486
Sale          216,950              7.3486
Sale          722                  7.2980
Sale          3,721                7.3928
Sale          6,922                7.2920
Sale          82,253               7.4166
Sale          36,241               7.4431
Sale          78,000               7.3719
Sale          60,380               7.3486
Sale          135                  7.1810
Sale          25,000               7.4006
Sale          25,284               7.3622
Sale          27,705               7.3760
Sale          33,228               7.4414
Sale          35,230               7.3486
Sale          7,404                7.3928

(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD            Long          3575          7.2018
CFD            Long          2000          7.2728
CFD            Long          3977          7.3143
CFD            Long          9139          7.3392
CFD            Long          18821         7.3591
CFD            Long          27705         7.3759
CFD            Long          24247         7.4119
CFD            Long          31705         7.4128
CFD            Long          82253         7.4166
CFD            Short         11035         7.2464
CFD            Short         68146         7.3114
CFD            Short         8019          7.3805
CFD            Short         513958        7.3932
CFD            Short         12400         7.3953
CFD            Short         83047         7.4229
CFD            Short         6250          7.4311


(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                         30 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