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 22 May 2008
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 46,738,909 4.68% 921,648 0.09%
securities
(2) Derivatives 2,712,581 0.27% 162,415 0.02%
(other than
options)
(3) Options and 101,450 0.01% 141,080 0.01%
agreements to
purchase/sell
Total 49,552,940 4.97% 1,225,143 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 1,307 67.3857
Purchase 6,744 66.6900
Purchase 3,254 66.6900
Purchase 2,262 66.6900
Purchase 753 67.4237
Purchase 1,600 Transfer
Purchase 3,225 67.4020
Purchase 529 67.4883
Purchase 7,689 67.4022
Purchase 815 6760.1400
Purchase 696 67.4046
Purchase 305 67.4883
Purchase 877 67.3764
Purchase 809 67.3897
Purchase 770 67.3950
Purchase 602 67.4237
Purchase 1,300 65.9300
Purchase 5,684 66.7000
Purchase 72 Transfer
Purchase 6,900 67.4818
Purchase 22,936 67.1819
Purchase 7,693 67.1146
Purchase 1,900 67.2516
Purchase 1,366 67.5509
Purchase 9,701 66.6900
Purchase 54 Transfer
Purchase 5,486 66.6900
Purchase 1,900 67.2764
Purchase 815 6760.1400
Purchase 1,841 67.2067
Purchase 99,727 67.5956
Purchase 49 Transfer
Purchase 300 67.0826
Purchase 22,194 67.4039
Purchase 24,281 67.8852
Purchase 1,660 67.3739
Purchase 2,000 65.9300
Purchase 759 66.6900
Purchase 988 67.3688
Purchase 1,322 67.4237
Purchase 121 67.7800
Purchase 683 67.4237
Purchase 1,631 67.4237
Purchase 402 67.4237
Purchase 610 67.4237
Purchase 196 67.4237
Purchase 603 67.4237
Purchase 1,185 67.3785
Purchase 1,932 67.3846
Purchase 3,930 67.4059
Purchase 210 67.4883
Purchase 2,334 67.3926
Purchase 9,470 66.6900
Purchase 162 67.4883
Purchase 6,585 66.6900
Purchase 996 67.3705
Sale 50,666 65.9300
Sale 60 67.7124
Sale 1,900 67.5766
Sale 49 Transfer
Sale 2,573 66.3400
Sale 65 66.5800
Sale 756 66.6900
Sale 385 67.5147
Sale 815 6760.3090
Sale 22,425 66.6900
Sale 24 67.5500
Sale 54 Transfer
Sale 72 Transfer
Sale 6,118 67.5639
Sale 16 Transfer
Sale 486 67.2033
Sale 1,097 66.6900
Sale 60 67.7220
Sale 24,281 67.8852
Sale 50 67.3720
Sale 120 67.5000
Sale 80 67.7000
Sale 300 67.6500
Sale 50 67.7000
Sale 1,061 66.6900
Sale 20,182 67.5445
Sale 144 67.7136
Sale 100 67.6636
Sale 3,941 67.3317
Sale 750 67.3500
Sale 50 67.7000
Sale 100 67.6624
Sale 100 67.6624
Sale 20,646 66.6900
Sale 24,281 67.8852
Sale 2,000 67.3699
Sale 500 67.6528
Sale 740 67.2406
Sale 120 67.7632
Sale 45 67.7300
(b) Derivatives transactions (other than options)
Product name, Long/Short Number of Price per
(e.g. CFD) (Note 6) Securities unit (GBP)
CFD Long 65 66.58
CFD Long 486 67.2032
CFD Long 3941 67.3316
CFD Long 2000 67.3698
CFD Long 1747 67.4909
CFD Long 301 67.5112
CFD Long 385 67.5146
CFD Long 20182 67.5445
CFD Long 6118 67.5638
CFD Long 1900 67.5766
CFD Long 500 67.6528
CFD Short 5684 66.7
CFD Short 300 67.0826
CFD Short 7693 67.1146
CFD Short 22936 67.1819
CFD Short 1841 67.2067
CFD Short 1900 67.2516
CFD Short 1900 67.2764
CFD Short 6900 67.4817
CFD Short 1366 67.5509
CFD Short 99727 67.5955
CFD Short 815 6760.14
(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 23 May 2008
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 100,000 56.0000 AMER 18/12/2009
Option Purchased 350 4,600.0000 EURO 19/12/2008
Option Purchased 350 4,600.0000 EURO 19/12/2008
Option Purchased 250 3,800.0000 EURO 20/06/2008
Option Purchased 250 3,000.0000 EURO 20/06/2008
Option Purchased 125 4,400.0000 EURO 20/06/2008
Option Purchased 125 4,400.0000 EURO 20/06/2008
Option Purchased -135 5,200.0000 EURO 19/12/2008
Option Purchased -145 5,200.0000 EURO 19/12/2008
Option Purchased -250 2,500.0000 EURO 20/06/2008
Option Purchased -250 5,200.0000 EURO 19/09/2008
Option Purchased -300 3,800.0000 EURO 20/06/2008
Option Purchased -2,000 70.0000 AMER 20/06/2008
Option Purchased -38,000 70.0000 AMER 20/06/2008
Option Purchased -100,000 30.0000 AMER 20/06/2008
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