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 27 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 49,555,561 4.97% 1,095,392 0.11%
securities
(2) Derivatives 2,391,186 0.24% 133,499 0.01%
(other than
options)
(3) Options and 202,100 0.02% 700,800 0.07%
agreements to
purchase/sell
Total 52,148,847 5.23% 1,929,691 0.19%
(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 235 54.4700
Purchase 88,392 54.0441
Purchase 237 53.9100
Purchase 3,801 54.5875
Purchase 9,460 53.9267
Purchase 7,384 53.9240
Purchase 2,252 54.0038
Purchase 4,006 53.8700
Purchase 3,906 53.8200
Purchase 10,690 54.0394
Purchase 97,137 54.0030
Purchase 229 53.5582
Purchase 2,400 53.8147
Purchase 235 53.1518
Purchase 10,690 54.0394
Purchase 7,384 53.9240
Purchase 2,732 53.9705
Purchase 77,135 53.9963
Purchase 5,162 53.8421
Purchase 555 53.8200
Purchase 6,536 54.2742
Sale 6,536 54.2693
Sale 2,252 53.9984
Sale 229 53.5582
Sale 88,392 54.0441
Sale 3,801 54.5875
Sale 35 53.8443
Sale 750 53.9375
Sale 3,906 53.8200
Sale 100 54.0150
Sale 4,006 53.8603
Sale 35 53.7126
Sale 77,135 53.9963
Sale 10,690 54.0394
Sale 97,137 54.0030
Sale 5,400 52.7293
Sale 235 54.4700
Sale 383 54.6192
Sale 3,801 54.5875
Sale 9,460 53.9213
Sale 134 53.2419
Sale 2,400 53.8067
Sale 2,732 53.9657
Sale 237 53.9100
Sale 235 53.1518
Sale 97,137 54.0030
Sale 7,384 53.9240
Sale 120 53.5825
Sale 555 53.8200
(b) Derivatives transactions (other than options)
Product name, Long/Short Number of Price per
(e.g. CFD) (Note 6) Securities unit (GBP)
CFD Short 1709 53.772
CFD Short 2400 53.8147
CFD Short 2252 54.0037
CFD Short 10690 54.0394
CFD Short 1023 54.3021
CFD Long 5400 52.7293
CFD Long 134 53.2419
CFD Long 4006 53.8603
CFD Long 9460 53.9213
CFD Long 2131 53.9922
CFD Long 77135 53.9962
CFD Long 4405 54.4033
(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 28 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 -100,000 30.0000 AMER 20/06/2008
Option Purchased -300 3,800.0000 EURO 20/06/2008
Option Purchased -250 5,200.0000 EURO 20/03/2008
Option Purchased -250 2,500.0000 EURO 20/06/2008
Option Purchased 50 5,400.0000 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 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 250 3,000.0000 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 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