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               10 September 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     108,485,590     3.70%      1,105,630     0.04%
securities
(2) Derivatives    1,896,694     0.06%        223,501     0.01%
(other than
options)
(3) Options and    1,500,000     0.05%      6,064,000     0.21%
agreements to
purchase/sell
Total            111,882,284     3.81%      7,393,131     0.25%

(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      21,595               9.0295
Purchase      3,808                8.9881
Purchase      2,590                9.2468
Purchase      4,178                9.0000
Purchase      2,590                9.2468
Purchase      1,820                9.1558
Purchase      1,600                9.1314
Purchase      11,589               9.0149
Purchase      1,566                9.2166
Purchase      1,314                8.8250
Purchase      3,460                9.1314
Purchase      1,298                9.0000
Purchase      5,882                9.0000
Purchase      38,743               9.0000
Purchase      100,000              9.2236
Purchase      82,827               8.9377
Purchase      59,889               8.9082
Purchase      1,030                9.0000
Purchase      45,609               9.0400
Purchase      23,821               9.0000
Purchase      24,657               9.0259
Purchase      340                  8.8563
Purchase      23,821               9.0000
Purchase      115                  9.1950
Sale          115                  9.1950
Sale          745                  9.0000
Sale          1,935                9.1386
Sale          2,100                9.1281
Sale          1,314                9.0000
Sale          200                  9.0927
Sale          16,000               8.8700
Sale          53,709               8.8991
Sale          52,833               8.9038
Sale          25,000               9.1100
Sale          24,240               9.0329
Sale          23,821               9.0000
Sale          23,821               8.9973
Sale          9,765                9.0007
Sale          17,993               9.0603
Sale          3,808                8.8937
Sale          13,000               9.0879
Sale          11,589               8.9918
Sale          127,363              9.0083
Sale          10,000               9.0000
Sale          1,012                9.2700
Sale          4,990                8.9935
Sale          18,091               9.0792

NB: The below transactions which were previously disclosed have been cancelled
Deal Date     Purchase/Sale     Number of Securities    Price per unit (GBP)
10/09/2009    Sale              10,000                  9.0000

(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD            Long          3808          8.8936
CFD            Long          53709         8.899
CFD            Long          52833         8.9038
CFD            Long          11589         8.9918
CFD            Long          4990          8.9935
CFD            Long          9765          9.0007
CFD            Long          127363        9.0083
CFD            Long          18091         9.0791
CFD            Long          200           9.0927
CFD            Long          2100          9.1281
CFD            Short         340           8.8563
CFD            Short         59889         8.9081
CFD            Short         82827         8.9377
CFD            Short         31866         8.9539
CFD            Short         12405         8.9586
CFD            Short         955           8.9632
CFD            Short         9470          8.9833
CFD            Short         3808          8.988
CFD            Short         12356         9
CFD            Short         11589         9.0148
CFD            Short         52801         9.0325

(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                         11 September 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   500,000                720.0000         EURO           18/12/2009
Option            Purchased   475,000                720.0000         EURO           18/09/2009
Option            Purchased   -500,000               800.0000         EURO           18/12/2009
Option            Purchased   -1,010,000             800.0000         EURO           19/03/2010
Option            Purchased   525,000                720.0000         EURO           19/03/2010

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