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               30 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     107,743,577     3.67%        843,508     0.03%
securities
(2) Derivatives    1,779,700     0.06%        904,472     0.03%
(other than
options)
(3) Options and    1,000,000     0.03%              0     0.00%
agreements to
purchase/sell
Total            110,523,277     3.77%      1,747,980     0.06%


(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      49,988               7.7165
Purchase      2,300                7.6357
Purchase      46,738               7.6727
Purchase      2,310                7.7032
Purchase      113,834              7.6808
Purchase      179,068              7.6899
Purchase      80,507               7.6747
Purchase      34,750               7.6051
Purchase      23,804               7.7136
Purchase      1,757                7.5476
Purchase      1,444                7.7100
Purchase      1,800                7.7010
Purchase      5,993                7.7110
Purchase      6,922                7.7020
Sale          502                  7.7110
Sale          1,233                7.7295
Sale          722                  7.4300
Sale          4,535                7.4000
Sale          502                  7.7110
Sale          90,973               7.6799
Sale          83,832               7.6705
Sale          1,200                7.4101
Sale          1,757                7.6626
Sale          3,776                7.4510
Sale          52,217               7.6748
Sale          6,922                7.7020
Sale          6,922                7.7110
Sale          8,080                7.7514
Sale          11,780               7.7904
Sale          35,725               7.4640
Sale          38,179               7.7119
Sale          40,000               7.6900
Sale          42,914               7.6526
Sale          49,078               7.7170
Sale          3,270                7.4509



(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD            Long          1200          7.4101
CFD            Long          3270          7.4508
CFD            Long          5510          7.4615
CFD            Long          35725         7.464
CFD            Long          23604         7.5693
CFD            Long          15485         7.5931
CFD            Long          1757          7.6625
CFD            Long          83832         7.6704
CFD            Long          49078         7.7169
CFD            Long          8080          7.7513
CFD            Long          11780         7.7904
CFD            Short         1757          7.5476
CFD            Short         34750         7.605
CFD            Short         2300          7.6357
CFD            Short         80507         7.6746
CFD            Short         113834        7.6807
CFD            Short         179068        7.6899
CFD            Short         2310          7.7031
CFD            Short         49988         7.7165


(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                         31 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