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 May 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 46,920,760 4.70% 865,196 0.09%
securities
(2) Derivatives 2,660,141 0.27% 56,406 0.01%
(other than
options)
(3) Options and 101,450 0.01% 141,080 0.01%
agreements to
purchase/sell
Total 49,682,351 4.98% 1,062,682 0.11%
(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 504 65.9300
Purchase 2,880 66.5487
Purchase 60,000 66.6751
Purchase 192 65.9300
Purchase 85,655 67.4533
Purchase 1,624 66.5433
Purchase 3,270 65.9300
Purchase 18,810 66.5533
Purchase 139 69.0534
Purchase 9,045 67.4062
Purchase 60,000 66.6751
Purchase 153 66.3900
Purchase 1,240 67.0782
Purchase 36 67.0700
Purchase 70 69.5800
Purchase 9,989 66.9639
Purchase 50 87.0700 EUR
Purchase 60 85.0000 EUR
Purchase 17,335 66.5649
Purchase 5,395 65.9300
Purchase 19,741 65.9300
Purchase 5,104 65.9399
Purchase 400 70.5000
Sale 14,005 66.8369
Sale 27,273 68.8979
Sale 8,872 68.6944
Sale 1,500 Transfer
Sale 32 66.5000
Sale 334 Transfer
Sale 967 67.3451
Sale 8,746 66.9824
Sale 32,700 68.4203
Sale 139 69.0534
Sale 60 68.5260
Sale 60,000 66.6751
Sale 100 66.5944
Sale 1,495 65.9300
Sale 200 65.9300
Sale 3,900 65.9300
Sale 113 65.9300
Sale 142 70.5000
Sale 1,511 65.9300
Sale 120 67.0516
Sale 60 67.0912
Sale 50 67.6112
Sale 100 66.2200
Sale 75 67.0924
Sale 200 66.4900
Sale 100 67.3312
Sale 4,374 69.1442
Sale 100 69.1940
Sale 350 69.0500
Sale 70 68.1800
Sale 170 66.3532
Sale 220 67.6100
Sale 100 67.2508
Sale 85 68.2832
Sale 50 66.7400
Sale 30 67.3923
Sale 3,200 66.4256
Sale 12,449 68.5165
Sale 50 68.0924
(b) Derivatives transactions (other than options)
Product name, Long/Short Number of Price per
(e.g. CFD) (Note 6) Securities unit (GBP)
CFD Long 3200 66.4256
CFD Long 14005 66.8368
CFD Long 12449 68.5164
CFD Long 8872 68.6944
CFD Long 27273 68.8978
CFD Long 4374 69.1441
CFD Short 5104 65.9398
CFD Short 1624 66.5433
CFD Short 2880 66.5487
CFD Short 18810 66.5532
CFD Short 17335 66.5649
CFD Short 60000 66.6751
CFD Short 9989 66.9638
CFD Short 1240 67.0782
CFD Short 9045 67.4061
CFD Short 85655 67.4532
CFD Short 464 69.3745
(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 21 May 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 100,000 56.0000 AMER 18/12/2009
Option Purchased 350 4,600.0000 EURO 19/12/2008
Option Purchased 350 4,600.0000 EURO 19/12/2008
Option Purchased 250 3,000.0000 EURO 20/06/2008
Option Purchased 250 3,800.0000 EURO 20/06/2008
Option Purchased 125 4,400.0000 EURO 20/06/2008
Option Purchased 125 4,400.0000 EURO 20/06/2008
Option Purchased -135 5,200.0000 EURO 19/12/2008
Option Purchased -145 5,200.0000 EURO 19/12/2008
Option Purchased -250 2,500.0000 EURO 20/06/2008
Option Purchased -250 5,200.0000 EURO 19/09/2008
Option Purchased -300 3,800.0000 EURO 20/06/2008
Option Purchased -2,000 70.0000 AMER 20/06/2008
Option Purchased -38,000 70.0000 AMER 20/06/2008
Option Purchased -100,000 30.0000 AMER 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