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               07 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     108,571,885     3.70%        910,500     0.03%
securities
(2) Derivatives    1,817,146     0.06%        388,805     0.01%
(other than
options)
(3) Options and    1,500,000     0.05%      6,064,000     0.21%
agreements to
purchase/sell
Total            111,889,031     3.81%      7,363,305     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      14,660               8.5158
Purchase      4,500                8.5409
Purchase      4,517                8.5184
Purchase      4,774                8.5400
Purchase      5,460                8.5184
Purchase      5,802                8.5184
Purchase      5,875                8.5400
Purchase      5,875                8.5250
Purchase      3,894                8.5400
Purchase      2,967                8.5185
Purchase      155,001              8.5182
Purchase      9,144                8.5121
Purchase      2,300                8.5158
Purchase      13,211               8.5183
Purchase      14,130               8.4800
Purchase      23,129               8.5364
Purchase      103,945              8.5106
Purchase      91,500               8.5420
Purchase      53,772               8.5182
Purchase      27,395               8.5053
Purchase      7,611                8.5271
Purchase      20,574               8.5182
Purchase      1,105                8.5186
Purchase      1,500                8.5081
Purchase      16,149               8.5182
Purchase      15,350               8.5182
Purchase      1,071                8.5186
Sale          2,300                8.4474
Sale          598                  8.3300
Sale          250                  8.5700
Sale          4,242                8.4374
Sale          4,500                8.5513
Sale          82                   8.5238
Sale          8,800                8.5041
Sale          9,675                8.5258
Sale          13,436               8.5109
Sale          16,558               8.5171
Sale          20,000               8.5700
Sale          30,000               8.5400
Sale          37,200               8.4976
Sale          40,594               8.4838
Sale          5,875                8.5250


(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD            Long          2300          8.4473
CFD            Long          950           8.4626
CFD            Long          40594         8.4837
CFD            Long          2634          8.4892
CFD            Long          14524         8.4962
CFD            Long          37200         8.4975
CFD            Long          29766         8.5121
CFD            Long          16558         8.5171
CFD            Long          82            8.5237
CFD            Long          4500          8.5513
CFD            Short         27395         8.5053
CFD            Short         1500          8.5081
CFD            Short         103945        8.5105
CFD            Short         2300          8.5157
CFD            Short         23129         8.5364
CFD            Short         4500          8.5408


(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                         08 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   -1,010,000             800.0000         EURO           19/03/2010
Option            Purchased   -4,554,000             7.0760           EURO           25/08/2010
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

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