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 October 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      109,385,949     3.73%        955,696     0.03%
securities
(2) Derivatives     2,213,523     0.08%        552,615     0.02%
(other than
options)
(3) Options and     2,085,020     0.07%      1,955,900     0.07%
agreements to
purchase/sell
Total             113,684,492     3.88%      3,464,211     0.12%


(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      10,000               9.2577
Purchase      369                  9.1825
Purchase      532                  9.3100
Purchase      1,577                9.2705
Purchase      1,700                9.2450
Purchase      2,106                9.2500
Purchase      2,200                9.2191
Purchase      4,138                9.2500
Purchase      4,366                9.2500
Purchase      5,000                9.4000
Purchase      5,900                9.2840
Purchase      6,000                9.2546
Purchase      1,434                9.2500
Purchase      14,240               9.2500
Purchase      16,219               9.2479
Purchase      16,279               9.2085
Purchase      110,899              9.2493
Purchase      28,874               9.2873
Purchase      105,674              9.3200
Purchase      63,003               9.2678
Sale          40,000               9.4100
Sale          246,095              9.3058
Sale          888                  9.2700
Sale          105,674              9.3200
Sale          68,457               9.2781
Sale          10,330               9.2520
Sale          40,350               9.3087
Sale          14,879               9.2653
Sale          4,366                9.2500
Sale          5,000                9.4010
Sale          27,856               9.2288
Sale          260                  9.4900
Sale          27,050               9.2605
Sale          110                  9.3100


(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD            Long          6183          9.1645
CFD            Long          27856         9.2288
CFD            Long          27050         9.2605
CFD            Long          14879         9.2653
CFD            Long          246095        9.3057
CFD            Long          810           9.39
CFD            Long          54232         9.4352
CFD            Short         2200          9.219
CFD            Short         1700          9.245
CFD            Short         16219         9.2478
CFD            Short         110899        9.2493
CFD            Short         9320          9.25
CFD            Short         10000         9.2577
CFD            Short         28874         9.2873


(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 October 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   500,020                782.0000         EURO           22/03/2010
Option            Purchased   460,000                782.0000         EURO           22/03/2010
Option            Sold         -7,590,               000 760.0000     EURO           29/09/2010
Option            Purchased   525,000                720.0000         EURO           19/03/2010
Option            Purchased   500,000                720.0000         EURO           18/12/2009
Option            Purchased   100,000                920.0000         EURO           19/03/2010
Option            Sold        -300,000               960.0000         EURO           18/12/2009
Option            Sold        -500,000               800.0000         EURO           18/12/2009
Option            Sold        -1,080,000             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