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 20 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 48,322,378 4.85% 2,131,360 0.21%
securities
(2) Derivatives 2,342,862 0.23% 166,069 0.02%
(other than
options)
(3) Options and 204,131 0.02% 1,303,531 0.13%
agreements to
purchase/sell
Total 50,869,096 5.10% 3,600,960 0.36%
(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 1,098 50.9571
Purchase 931 50.9426
Purchase 1,717 51.3000
Purchase 5,610 51.3085
Purchase 282 50.9971
Purchase 3,188 51.3000
Purchase 81,034 50.9388
Purchase 79,000 50.9300
Purchase 1,075,714 50.5800
Purchase 32,779 51.0949
Purchase 7,406 50.9872
Purchase 282 51.1500
Purchase 113,750 50.7000
Purchase 1,842 50.7727
Purchase 30,211 50.8542
Purchase 132,924 50.9890
Purchase 26,000 51.1613
Purchase 380,769 51.0200
Purchase 88,975 50.9557
Purchase 33,748 51.0165
Purchase 11,100 50.5683
Purchase 32,779 51.0949
Purchase 104 51.1206
Purchase 1,752 51.3000
Purchase 1,911 50.9788
Purchase 2,576 51.0826
Purchase 10,615 50.7500
Purchase 962 51.3000
Purchase 4,006 50.9092
Sale 50 50.8348
Sale 1,098 50.9571
Sale 120 51.0275
Sale 28 Transfer
Sale 931 50.9375
Sale 12 51.0350
Sale 350 51.2725
Sale 65 51.3451
Sale 132,924 50.9890
Sale 4,006 50.9000
Sale 2,206 51.3000
Sale 50 51.0926
Sale 7,406 50.9872
Sale 32,779 51.0949
Sale 70 50.9950
Sale 26,000 51.1537
Sale 5,610 51.2992
Sale 1,842 50.7682
Sale 282 50.9971
Sale 1,097 51.3000
Sale 1,075,714 50.5800
Sale 55 50.1275
Sale 7,406 50.9872
Sale 132,924 50.9890
Sale 11,100 50.5683
Sale 306 50.8500
Sale 1,752 51.3000
Sale 79,000 50.9300
Sale 1,000 51.0000
Sale 70 50.6425
Sale 155 50.9400
Sale 130 51.3232
Sale 11,100 50.5683
Sale 1,098 50.9571
Sale 10,615 50.7500
Sale 3,788 51.3000
Sale 33,748 51.0165
Sale 608 50.8500
Sale 104 51.1129
Sale 30,211 50.8542
Sale 40 50.9820
Sale 88,975 50.9557
Sale 1,911 50.9742
Sale 282 51.1500
Sale 2,576 51.0775
(b) Derivatives transactions (other than options)
Product name, Long/Short Number of Price per
(e.g. CFD) (Note 6) Securities unit (GBP)
CFD Short 1842 50.7727
CFD Short 4006 50.9091
CFD Short 931 50.9425
CFD Short 26000 51.1613
CFD Long 88975 50.9557
CFD Long 1098 50.9571
CFD Long 1911 50.9741
CFD Long 7406 50.9871
CFD Long 33748 51.0165
CFD Long 2576 51.0775
CFD Long 104 51.1128
CFD Long 5610 51.2992
(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 Selling 175 50 EURO 21/12/2007 .92
CALL Selling 2 50 EURO 21/12/2007 1.01
CALL Selling 8 50 EURO 21/12/2007 1.11
CALL Selling 90 50 EURO 21/12/2007 1.13
(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 21 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 250 3,300.0000 EURO 21/12/2007
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 -300 6,000.0000 EURO 21/12/2007
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 100 5,600.0000 EURO 18/01/2008
Option Purchased 125 4,400.0000 EURO 20/06/2008
Option Purchased -100,000 30.0000 AMER 20/06/2008
Option Purchased 250 3,000.0000 EURO 20/06/2008
Option Purchased -300,000 56.0000 AMER 15/02/2008
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 200,000 60.0000 AMER 18/01/2008
Option Purchased -600,000 42.0000 AMER 21/12/2007
Option Purchased -300,000 52.0000 AMER 15/02/2008
Option Purchased 125 4,400.0000 EURO 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