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 11 January 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 50,269,501 5.04% 940,238 0.09%
securities
(2) Derivatives 2,342,283 0.23% 151,479 0.02%
(other than
options)
(3) Options and 202,500 0.02% 701,200 0.07%
agreements to
purchase/sell
Total 52,814,284 5.30% 1,792,917 0.18%
(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 2,943 50.2481
Purchase 45,200 50.4547
Purchase 40 49.9935
Purchase 100 52.7879
Purchase 1,194 50.6282
Purchase 42,885 50.2787
Purchase 23,000 50.5297
Purchase 756 49.8950
Purchase 7,827 50.2769
Purchase 12,387 50.5276
Purchase 1,894 50.3594
Purchase 3,004 50.6282
Purchase 42,885 50.2787
Purchase 1,894 50.3594
Purchase 50,961 50.1901
Purchase 246 50.4508
Purchase 2,967 50.0615
Purchase 382 50.6282
Purchase 11,000 51.2000
Purchase 42 Transfer
Purchase 1,600 51.2577
Purchase 22,200 50.3770
Purchase 9,527 50.3074
Purchase 3,684 51.2000
Purchase 389 50.6282
Purchase 1,600 51.2577
Purchase 445 50.6282
Purchase 32,487 51.2000
Purchase 26,124 50.3680
Purchase 27,975 50.3042
Purchase 2,983 50.0061
Purchase 23,000 50.5297
Purchase 402 50.6282
Purchase 2,473 50.4684
Purchase 2,400 50.2375
Purchase 100 52.7879
Purchase 206 50.4508
Sale 50,961 50.1901
Sale 55 51.1675
Sale 11,000 51.2000
Sale 2,400 50.2300
Sale 2,473 50.4684
Sale 25 50.6500
Sale 9,527 50.3028
Sale 23,000 50.5297
Sale 145 50.4024
Sale 2,943 50.2430
Sale 100 50.6325
Sale 42,885 50.2787
Sale 100 52.7879
Sale 1,600 51.2577
Sale 2,473 50.4684
Sale 2,967 50.0540
Sale 2,983 50.0011
Sale 2,030 Transfer
Sale 12,387 50.5230
Sale 26,124 50.3680
Sale 26,124 50.3680
Sale 200 51.0925
Sale 11,000 51.2000
Sale 4,268 49.9177
Sale 200 50.3700
Sale 27,975 50.3042
Sale 7,827 50.2769
Sale 90 50.4926
Sale 20,800 51.0300
Sale 23,000 50.5297
Sale 7,745 51.2000
Sale 22,200 50.3770
Sale 67,629 50.3300
Sale 60 50.2700
Sale 1,894 50.3594
(b) Derivatives transactions (other than options)
Product name, Long/Short Number of Price per
(e.g. CFD) (Note 6) Securities unit (GBP)
CFD Short 2983 50.0061
CFD Short 2000 50.1595
CFD Short 2400 50.2375
CFD Short 27975 50.3042
CFD Short 7527 50.3466
CFD Short 1894 50.3593
CFD Short 1600 51.2576
CFD Short 100 52.7879
CFD Long 2967 50.0539
CFD Long 2943 50.243
CFD Long 7827 50.2768
CFD Long 2473 50.4683
CFD Long 7207 50.5138
CFD Long 5180 50.5358
(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 14 January 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 125 4,400.0000 EURO 20/06/2008
Option Purchased -300,000 52.0000 AMER 15/02/2008
Option Purchased -100,000 30.0000 AMER 20/06/2008
Option Purchased -400 5,600.0000 EURO 18/01/2008
Option Purchased -300 3,800.0000 EURO 20/06/2008
Option Purchased -250 2,500.0000 EURO 20/06/2008
Option Purchased -250 5,200.0000 EURO 20/03/2008
Option Purchased -300,000 56.0000 AMER 15/02/2008
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 6,000.0000 EURO 15/02/2008
Option Purchased 250 6,000.0000 EURO 15/02/2008
Option Purchased 250 3,800.0000 EURO 20/06/2008
Option Purchased 350 4,600.0000 EURO 19/12/2008
Option Purchased 350 4,600.0000 EURO 19/12/2008
Option Purchased 500 5,600.0000 EURO 15/02/2008
Option Purchased 50 5,400.0000 EURO 20/03/2008
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