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 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 47,464,619 4.76% 2,673,216 0.27%
securities
(2) Derivatives 2,490,809 0.25% 149,237 0.01%
(other than
options)
(3) Options and 204,131 0.02% 1,303,531 0.13%
agreements to
purchase/sell
Total 50,159,559 5.03% 4,125,984 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 4,707 56.5889
Purchase 40,000 56.6581
Purchase 67 Transfer
Purchase 7,970 56.8000
Purchase 125 57.5387
Purchase 10,000 57.8400
Purchase 700 56.1264
Purchase 3,372 56.8000
Purchase 8,858 56.8000
Purchase 169 58.5000
Purchase 408 56.4178
Purchase 8,124 56.8000
Purchase 179 56.4178
Purchase 57,066 56.6207
Purchase 137 57.5387
Purchase 127 57.5387
Purchase 700 56.1264
Purchase 175 56.4178
Purchase 12,209 56.6564
Purchase 374 56.9300
Purchase 173 56.4178
Purchase 1,568 56.3500
Purchase 273 56.1070
Purchase 320 56.4178
Purchase 2,368 56.7322
Sale 225 58.0000
Sale 6,231 56.5841
Sale 269 56.8000
Sale 125 57.5387
Sale 67 Transfer
Sale 12,570 56.8000
Sale 21,544 56.7813
Sale 4,707 56.5889
Sale 8,124 56.8000
Sale 700 56.1264
Sale 374 56.9300
Sale 137 57.5387
Sale 40 57.8500
Sale 950 56.6406
Sale 5,000 57.9700
Sale 70 56.2576
Sale 50 56.2400
Sale 70 56.6726
Sale 188 56.2232
Sale 40,000 56.6581
Sale 7,400 58.1431
Sale 25 56.6350
Sale 127 57.5387
Sale 100 56.5724
Sale 227 Transfer
Sale 26,214 56.7890
Sale 200 57.1800
Sale 45 57.2840
Sale 4,707 56.5889
Sale 270 56.1225
Sale 140 57.1800
Sale 40,000 56.6581
Sale 26,827 56.8000
(b) Derivatives transactions (other than options)
Product name, Long/Short Number of Price per
(e.g. CFD) (Note 6) Securities unit (GBP)
CFD Short 273 56.1069
CFD Short 700 56.1264
CFD Short 1568 56.35
CFD Short 123 56.6123
CFD Short 57066 56.6206
CFD Short 12209 56.6563
CFD Short 600 56.6715
CFD Short 1768 56.7527
CFD Short 3488 56.8709
CFD Short 782 56.9617
CFD Long 6231 56.584
CFD Long 4707 56.5888
CFD Long 40000 56.6581
CFD Long 43088 56.7813
CFD Long 26214 56.789
(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 12 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 -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 -600,000 42.0000 AMER 21/12/2007
Option Purchased 100 5,600.0000 EURO 18/01/2008
Option Purchased 200,000 60.0000 AMER 18/01/2008
Option Purchased 125 4,400.0000 EURO 20/06/2008
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 50 5,400.0000 EURO 20/03/2008
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