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 10 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 47,512,173 4.76% 2,645,958 0.27%
securities
(2) Derivatives 2,467,933 0.25% 146,480 0.01%
(other than
options)
(3) Options and 204,131 0.02% 1,303,531 0.13%
agreements to
purchase/sell
Total 50,184,237 5.03% 4,095,969 0.41%
(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 314 57.8452
Purchase 57,000 57.9100
Purchase 66,000 58.7000
Purchase 255 56.6300
Purchase 8,137 57.8518
Purchase 6,969 57.5326
Purchase 9,203 57.8400
Purchase 187 56.5000
Purchase 3,610 58.3260
Purchase 2,963 57.9373
Purchase 132,325 57.4600
Purchase 7,008 57.8400
Purchase 2,963 57.9530
Purchase 377 57.8400
Purchase 17,192 58.3360
Purchase 9,683 57.5379
Purchase 3,610 58.3260
Purchase 55,578 55.1500
Purchase 349 57.4700
Purchase 58,276 57.8182
Purchase 47,366 57.4600
Purchase 37,265 57.5977
Purchase 33,129 58.6034
Purchase 19,535 57.4600
Sale 4,746 57.8400
Sale 101 Transfer
Sale 19,535 57.4600
Sale 12,251 58.0287
Sale 349 57.5300
Sale 100 58.7750
Sale 47,366 57.4600
Sale 273 57.9600
Sale 1,000 56.3618
Sale 100 56.9850
Sale 50 58.5688
Sale 100 58.1525
Sale 396 56.5621
Sale 50 57.1350
Sale 27,000 57.8400
Sale 190 57.8975
Sale 27,198 58.2613
Sale 45 58.4050
Sale 50 56.8688
Sale 349 57.4700
Sale 3,138 56.8690
Sale 6,969 57.5326
Sale 21,851 57.4395
Sale 58,276 57.8182
Sale 3,610 58.3260
Sale 6,969 57.5326
Sale 2,963 57.9373
Sale 28 57.0250
Sale 58,276 57.8183
Sale 95 57.1800
Sale 250 58.6550
Sale 3,243 57.8400
Sale 162 57.0100
Sale 105 57.2475
Sale 1,150 58.2977
Sale 3,815 57.9589
Sale 45,899 57.4537
Sale 132,325 57.4600
Sale 225 57.9300
Sale 235 57.1450
(b) Derivatives transactions (other than options)
Product name, Long/Short Number of Price per
(e.g. CFD) (Note 6) Securities unit (GBP)
CFD Short 9683 57.5379
CFD Short 37265 57.5977
CFD Short 3610 58.326
CFD Short 17192 58.336
CFD Short 33129 58.6033
CFD Long 1000 56.3618
CFD Long 45899 57.4537
CFD Long 6969 57.5326
CFD Long 2648 57.6366
CFD Long 273 57.96
CFD Long 12251 58.0287
CFD Long 27198 58.2613
CFD Long 1150 58.2977
CFD Long 1167 58.6898
(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 SALE 150 60 EURO 21/12/2007 1.4
CALL SALE 150 60 EURO 21/12/2007 1.72
(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 11 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