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               23 June 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     104,477,744     3.56%        577,476     0.02%
securities
(2) Derivatives    2,139,571     0.07%        408,235     0.01%
(other than
options)
(3) Options and    1,000,000     0.03%              0     0.00%
agreements to
purchase/sell
Total            107,617,315     3.67%        985,711     0.03%


(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      3,645                6.4334
Purchase      300 6.4908
Purchase      12,397               6.4334
Purchase      11,910               6.3153
Purchase      9,562                6.3990
Purchase      9,280                6.3113
Purchase      8,610                6.3153
Purchase      7,000                6.3826
Purchase      6,420                6.3113
Purchase      13,366               6.4334
Purchase      4,865                6.4334
Purchase      15,266               6.4334
Purchase      3,621                6.4334
Purchase      3,086                6.4334
Purchase      3,060                6.4334
Purchase      3,030                6.3113
Purchase      2,210                6.3113
Purchase      1,929                6.4334
Purchase      1,488                6.3697
Purchase      1,190                6.2910
Purchase      5,500                6.5205
Purchase      36,860               6.3153
Purchase      368,266              6.4037
Purchase      344,927              6.3530
Purchase      293,227              6.4600
Purchase      156,000              6.3427
Purchase      123,576              6.3574
Purchase      70,000               6.2500
Purchase      66,920               6.3990
Purchase      65,628               6.4334
Purchase      61,118               6.4334
Purchase      17,094               6.4334
Purchase      34,838               6.4334
Purchase      24,103               6.4334
Purchase      21,016               6.3510
Purchase      23,093               6.4334
Purchase      25,420               6.3153
Purchase      29,296               6.4334
Purchase      30,923               6.4218
Sale          12,792               6.3990
Sale          68,013               6.4096
Sale          31,986               6.2834
Sale          9,236                6.4232
Sale          4,479                6.3640
Sale          22,402               6.3833
Sale          390,000              6.2800
Sale          15,718               6.4379
Sale          1,190                6.3700
Sale          2,764                6.3850


(b)  Derivatives transactions  (other than options)
Product name,  Long/Short      Number of       Price per
(e.g. CFD)     (Note 6)        Securities      unit (GBP)
CFD            Long            31986           6.2834
CFD            Long            39327           6.3361
CFD            Long            2764            6.385
CFD            Long            9236            6.4232
CFD            Long            41256           6.4266
CFD            Long            3907            6.4278
CFD            Long            15718           6.4378
CFD            Long            8258            6.4763
CFD            Short           123576          6.3574
CFD            Short           1488            6.3696
CFD            Short           7000            6.3826
CFD            Short           176799          6.3902
CFD            Short           191467          6.416
CFD            Short           30923           6.4217
CFD            Short           293227          6.4599
CFD            Short           300             6.4907
CFD            Short           5500            6.5205


(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)
Call            Purchase          400000             7.2       American        18/09/2009 0.550
Call            Purchase          600000             7.2       American        18/09/2009 0.550


(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                         24 June 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   400,000                720.0000         EURO           18/09/2009
Option            Purchased   600,000                720.0000         EURO           18/09/2009


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


Notes

The Notes on Form 8.3 can be viewed on the Takeover Panel's website at
www.thetakeoverpanel.org.uk