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               09 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     108,505,849     3.70%      1,146,587     0.04%
securities
(2) Derivatives    2,057,504     0.07%        390,453     0.01%
(other than
options)
(3) Options and    1,500,000     0.05%      6,064,000     0.21%
agreements to
purchase/sell
Total            112,063,353     3.82%      7,601,040     0.26%

(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      25,000               8.8400
Purchase      820                  9.0400
Purchase      369,279              8.8000
Purchase      66,240               8.9169
Purchase      46,525               8.8876
Purchase      6,959                9.0400
Purchase      46,123               8.8409
Purchase      1,025                9.0400
Purchase      30,000               8.7400
Purchase      55,000               8.9418
Purchase      16,075               9.0117
Purchase      13,061               8.9729
Purchase      12,500               8.8000
Purchase      9,967                9.0409
Purchase      9,041                8.9047
Purchase      8,657                9.0400
Purchase      40,497               9.0400
Purchase      4,300                8.7088
Purchase      325                  8.9247
Purchase      244                  8.6150
Purchase      115                  9.0400
Purchase      6,959                9.0400
Purchase      1,153                9.0400
Purchase      2,610                9.0400
Purchase      1,900                8.8320
Purchase      1,613                9.0400
Purchase      1,171                9.0400
Purchase      1,391                9.0400
Sale          16,700               8.4555
Sale          1,391                9.0350
Sale          9,643                8.9278
Sale          244                  8.9286
Sale          10,000               8.8000
Sale          10,000               8.8000
Sale          10,000               8.8000
Sale          10,000               8.8000
Sale          10,747               9.0276
Sale          180                  8.9903
Sale          28,398               8.7912
Sale          6,959                9.0400
Sale          358                  8.7350
Sale          17,045               8.9041
Sale          46,286               8.9051
Sale          184,466              8.9748
Sale          69,247               8.7008
Sale          30,000               8.9600
Sale          37,534               8.7868
Sale          3,960                7.760
Sale          40,497               9.0400
Sale          3,881                8.8134
Sale          68,386               8.9089
Sale          15,000               9.0400

(b)  Derivatives transactions (other than options)
Product name,  Long/Short    Number of     Price per
(e.g. CFD)     (Note 6)      Securities    unit (GBP)
CFD            Long          59582         8.7098
CFD            Long          37534         8.7867
CFD            Long          68386         8.9088
CFD            Long          184466        8.9747
CFD            Long          10747         9.0276
CFD            Short         1900          8.832
CFD            Short         46123         8.8409
CFD            Short         66240         8.9168
CFD            Short         9967          9.0409

(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                         10 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   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