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               11 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     109,328,148     3.73%      1,096,772     0.04%
securities
(2) Derivatives    1,915,926     0.07%        407,281     0.01%
(other than
options)
(3) Options and    1,500,000     0.05%      1,510,000     0.05%
agreements to
purchase/sell
Total            112,744,074     3.84%      3,014,053     0.10%

(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      4,990                9.1375
Purchase      14,210               9.2450
Purchase      11,899               9.2939
Purchase      229,181              9.2933
Purchase      11,202               9.2450
Purchase      7                    9.0000
Purchase      7,845                9.2933
Purchase      7,710                9.1314
Purchase      6,959                9.0000
Purchase      6,472                9.2450
Purchase      14,864               9.2933
Purchase      6,053                9.2832
Purchase      11,805               9.2933
Purchase      3,960                7.0760
Purchase      3,770                9.1314
Purchase      1,900                9.2483
Purchase      1,853                9.2642
Purchase      1,607                9.2933
Purchase      1,453                9.2933
Purchase      925                  9.1150
Purchase      728                  9.2450
Purchase      364                  9.2450
Purchase      165                  9.2050
Purchase      6,200                9.3205
Purchase      121,674              9.2747
Purchase      39,048               9.2933
Purchase      35,387               9.2870
Purchase      16,402               9.2933
Purchase      76,800               9.2865
Purchase      27,552               9.2933
Purchase      23,986               9.2933
Purchase      34,938               8.9988
Purchase      192,782              9.2728
Purchase      22,375               9.2267
Purchase      22,000               9.0864
Purchase      18,210               9.2800
Purchase      17,164               9.2933
Purchase      16,492               9.2933
Purchase      95,997               9.2933
Sale          165                  9.1150
Sale          1,100                9.1000
Sale          743                  9.2450
Sale          162                  9.3100
Sale          925                  9.2200
Sale          981                  9.1996
Sale          7                    9.0000
Sale          50,000               9.1514
Sale          10,919               9.2493
Sale          35,380               9.2674
Sale          32,161               9.0134
Sale          25,000               9.2863
Sale          25,000               9.3127
Sale          6,959                9.0000
Sale          23,730               9.2805
Sale          20,036               9.1972
Sale          18,362               9.2817
Sale          12,000               9.2450
Sale          1,883                9.3101

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              24,240                  9.0329
10/09/2009    Purchase          24,657                  9.0259

(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD            Long          50000         9.1514
CFD            Long          981           9.1996
CFD            Long          70035         9.2267
CFD            Long          10919         9.2492
CFD            Long          5648          9.2564
CFD            Long          4432          9.2578
CFD            Long          18983         9.2707
CFD            Long          23730         9.2805
CFD            Long          18362         9.2817
CFD            Long          25000         9.2863
CFD            Long          25000         9.3126
CFD            Short         4990          9.1374
CFD            Short         1900          9.2483
CFD            Short         32586         9.2624
CFD            Short         24707         9.2641
CFD            Short         192782        9.2728
CFD            Short         121674        9.2746
CFD            Short         18210         9.28
CFD            Short         2690          9.2862
CFD            Short         11899         9.2939
CFD            Short         6200          9.3205

(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                         14 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   525,000                720.0000         EURO           19/03/2010
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

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