Rule 8.3 - RIO TINTO 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 RIO TINTO
Class of relevant security ORD GBP0.10
to which the dealings being
disclosed relate (Note 2)
Date of dealing 03 December 2007
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 46,410,776 4.65% 2,655,524 0.27%
securities
(2) Derivatives 5,643,188 0.57% 2,797,344 0.28%
(other than
options)
(3) Options and 204,131 0.02% 1,303,231 0.13%
agreements to
purchase/sell
Total 52,258,095 5.24% 6,756,099 0.68%
(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 241 56.8899
Purchase 763 54.4300
Purchase 10,433 54.4300
Purchase 700 55.6992
Purchase 126,586 55.0627
Purchase 4,000 55.4349
Purchase 200 54.7869
Purchase 167 56.4000
Purchase 1,061 55.1660
Purchase 21,673 54.8463
Purchase 16,633 54.8221
Purchase 12,000 54.7047
Purchase 938 54.4300
Purchase 699 56.8899
Purchase 149 56.8899
Purchase 606 54.4300
Purchase 2,200 55.9936
Purchase 74,000 54.3787
Purchase 750 54.5490
Purchase 14,530 55.0508
Purchase 14,530 55.0508
Purchase 216 54.4300
Purchase 518 54.4300
Purchase 18,810 54.5706
Purchase 136 56.8899
Purchase 425 54.4300
Purchase 700 55.6992
Purchase 633 54.4300
Sale 22 56.9425
Sale 149 56.8899
Sale 150 54.4725
Sale 1,772 54.6741
Sale 241 56.8899
Sale 699 56.8899
Sale 60 54.5225
Sale 14,530 55.0508
Sale 133 56.6900
Sale 9,916 54.4300
Sale 40 54.5225
Sale 177 54.9500
Sale 1,708 56.4113
Sale 31 54.7725
Sale 454 Transfer
Sale 84 54.5075
Sale 140 56.6900
Sale 154 56.4113
Sale 185 56.6900
Sale 393 56.6900
Sale 700 55.6992
Sale 75,057 56.4000
Sale 961 56.4113
Sale 136 56.8899
Sale 130 54.5225
Sale 2,554 56.4113
Sale 430 56.4113
Sale 319 56.4113
Sale 70 54.9350
Sale 671 56.4113
Sale 699 55.9800
Sale 10,279 56.4113
Sale 126 56.6900
Sale 360 54.7375
Sale 70 55.0650
Sale 69 56.4113
Sale 763 54.4300
Sale 43 56.6100
Sale 338 54.5350
Sale 100 54.5225
(b) Derivatives transactions (other than options)
Product name, Long/Short Number of Price per
(e.g. CFD) (Note 6) Securities unit (GBP)
CFD Short 725 54.4993
CFD Short 750 54.549
CFD Short 18810 54.5705
CFD Short 200 54.7868
CFD Short 15908 54.8368
CFD Short 21673 54.8463
CFD Short 14530 55.0507
CFD Short 126586 55.0626
CFD Short 4000 55.4349
CFD Short 700 55.6992
CFD Short 2200 55.9936
CFD Long 1772 54.674
(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 04 December 2007
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 125 4,400.0000 EURO 20/06/2008
Option Purchased -300,000 52.0000 AMER 15/02/2008
Option Purchased -300,000 56.0000 AMER 15/02/2008
Option Purchased -100,000 30.0000 AMER 20/06/2008
Option Purchased -1,000 3,500.0000 EURO 21/12/2007
Option Purchased -500 4,400.0000 EURO 21/12/2007
Option Purchased -350 5,200.0000 EURO 21/12/2007
Option Purchased -306 4,200.0000 EURO 21/12/2007
Option Purchased -300 3,800.0000 EURO 20/06/2008
Option Purchased -275 4,800.0000 EURO 21/12/2007
Option Purchased -250 2,500.0000 EURO 20/06/2008
Option Purchased -250 5,200.0000 EURO 20/03/2008
Option Purchased 50 5,400.0000 EURO 20/03/2008
Option Purchased -600,000 42.0000 AMER 21/12/2007
Option Purchased 125 4,400.0000 EURO 20/06/2008
Option Purchased 200,000 60.0000 AMER 18/01/2008
Option Purchased 250 3,000.0000 EURO 20/06/2008
Option Purchased 250 3,300.0000 EURO 21/12/2007
Option Purchased 250 3,800.0000 EURO 20/06/2008
Option Purchased 250 4,500.0000 EURO 21/12/2007
Option Purchased 250 6,000.0000 EURO 15/02/2008
Option Purchased 250 6,000.0000 EURO 15/02/2008
Option Purchased 275 5,000.0000 EURO 21/12/2007
Option Purchased 306 4,800.0000 EURO 21/12/2007
Option Purchased 350 4,600.0000 EURO 19/12/2008
Option Purchased 350 4,600.0000 EURO 19/12/2008
Option Purchased 450 3,500.0000 EURO 21/12/2007
Option Purchased 500 5,200.0000 EURO 21/12/2007
Option Purchased 100 5,600.0000 EURO 18/01/2008
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