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 16 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 46,802,956 4.69% 1,077,440 0.11%
securities
(2) Derivatives 2,880,836 0.29% 43,302 0.00%
(other than
options)
(3) Options and 101,450 0.01% 141,080 0.01%
agreements to
purchase/sell
Total 49,785,242 4.99% 1,261,822 0.13%
(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 19,005 70.3948
Purchase 633 70.7975
Purchase 79 Transfer
Purchase 2,819 69.6613
Purchase 5,484 70.5294
Purchase 4,106 70.5243
Purchase 227 70.7975
Purchase 934 69.6900
Purchase 776 70.7153
Purchase 3,277 70.5475
Purchase 22 70.8446
Purchase 18,673 70.5297
Purchase 61 Transfer
Purchase 776 70.7153
Purchase 800 69.9205
Purchase 18,774 69.8843
Purchase 933 70.7975
Purchase 16 70.8446
Purchase 1,125 69.6900
Purchase 60 Transfer
Purchase 2,663 70.9872
Purchase 327 69.6900
Purchase 91 71.0800
Purchase 100 89.9000 EUR
Purchase 71 70.8446
Purchase 26 70.8446
Sale 1,601 70.2304
Sale 35,303 69.7310
Sale 4,843 70.8792
Sale 776 70.7170
Sale 79 Transfer
Sale 9,848 69.8473
Sale 550 70.7094
Sale 60 Transfer
Sale 84,693 71.4100
Sale 44 70.5500
Sale 6,000 70.4603
Sale 11,500 71.0987
Sale 125 69.5100
Sale 1,597 70.9780
Sale 671 Transfer
Sale 45 70.5100
Sale 11,149 71.1849
Sale 1,125 69.6900
Sale 540 69.8800
Sale 132 70.6100
Sale 60 70.6100
Sale 45 70.7940
Sale 100 70.8200
Sale 100 71.4000
Sale 50 71.1900
Sale 175 69.5236
Sale 200 71.0524
Sale 100 71.1808
Sale 25 67.6500
Sale 160 70.6100
Sale 100 71.4008
Sale 55 70.5500
Sale 4,746 69.6900
Sale 140 71.1000
Sale 80 70.6000
Sale 50 71.1800
Sale 50 71.2500
Sale 61 Transfer
Sale 33 69.7000
Sale 109 70.9724
Sale 80 71.1908
(b) Derivatives transactions (other than options)
Product name, Long/Short Number of Price per
(e.g. CFD) (Note 6) Securities unit (GBP)
CFD Long 9848 69.8473
CFD Long 1601 70.2303
CFD Long 6000 70.4603
CFD Long 550 70.7094
CFD Long 1200 70.7268
CFD Long 4843 70.8792
CFD Long 1597 70.978
CFD Long 11500 71.0986
CFD Short 2819 69.6613
CFD Short 18774 69.8842
CFD Short 800 69.9204
CFD Short 19005 70.3947
CFD Short 4106 70.5243
CFD Short 5484 70.5294
CFD Short 18673 70.5296
CFD Short 3277 70.5475
CFD Short 776 70.7152
CFD Short 1792 70.8312
CFD Short 2663 70.9871
(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 19 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 3,800.0000 EURO 20/06/2008
Option Purchased 250 3,000.0000 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 5,200.0000 EURO 19/09/2008
Option Purchased -250 2,500.0000 EURO 20/06/2008
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