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 31 March 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 45,961,075 4.61% 2,166,935 0.22%
securities
(2) Derivatives 2,894,889 0.29% 72,378 0.01%
(other than
options)
(3) Options and 141,450 0.01% 100,830 0.01%
agreements to
purchase/sell
Total 48,997,414 4.91% 2,340,143 0.23%
(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 700 52.3986
Purchase 16,226 52.3300
Purchase 8,106 52.3300
Purchase 2,547 52.3300
Purchase 175 52.3700
Purchase 3,235 52.3300
Purchase 21,187 52.3300
Purchase 130 52.0968
Purchase 581 52.3300
Purchase 7,346 52.3300
Purchase 7,346 52.3300
Purchase 1,926 52.3300
Purchase 3,998 52.3300
Purchase 9,000 51.3500
Purchase 8,348 51.6880
Purchase 1,216 52.2518
Purchase 1,936 52.0511
Purchase 38 Transfer
Purchase 42 52.2300
Purchase 40 64.5600 EUR
Purchase 912 52.2631
Purchase 820 51.7709
Purchase 15,300 51.3500
Purchase 6,693 52.3300
Purchase 522 51.1000
Purchase 2,315 51.1000
Purchase 378 52.3300
Sale 200 52.3908
Sale 140 52.3400
Sale 212 51.0800
Sale 205 52.2300
Sale 529 51.9547
Sale 75 51.2320
Sale 55,832 51.4595
Sale 70 51.2100
Sale 250 52.1700
Sale 100 52.1860
Sale 180 51.5000
Sale 118 Transfer
Sale 42 52.1000
Sale 76 Transfer
Sale 3,900 Transfer
Sale 140 51.8500
Sale 400 52.2022
Sale 115 50.9100
Sale 4 65.6800 EUR
Sale 50 65.0000 EUR
Sale 7,266 51.3500
Sale 150 66.0000 EUR
Sale 225 52.0000
Sale 196 52.2300
Sale 2,400 52.0150
Sale 65 51.3000
Sale 38 Transfer
Sale 174 52.4000
Sale 230 52.3000
Sale 10,756 52.1411
Sale 100 52.0500
Sale 4,834 52.0519
Sale 4,872 51.8400
Sale 9,058 51.9973
Sale 14,032 51.5369
Sale 212 52.0200
Sale 9 Transfer
Sale 3,004 52.3300
Sale 50 52.2412
Sale 250 52.1900
Sale 1,124 52.3300
Sale 175 52.3624
Sale 300 51.8000
Sale 130 52.2216
Sale 50 51.2636
Sale 100 51.4500
Sale 100 51.2636
Sale 150 51.2524
Sale 3,998 52.3300
Sale 378 52.3300
Sale 120 51.1400
Sale 7,346 52.3300
Sale 80 51.0420
Sale 300 52.2300
Sale 175 52.0900
Sale 200 52.2100
Sale 263 52.3300
Sale 130 52.0112
Sale 81 50.9123
Sale 200 51.9720
Sale 100 52.0748
Sale 125 50.8300
Sale 100 52.1532
Sale 100 52.1532
Sale 6,548 52.3300
Sale 195 52.2300
Sale 200 51.7900
Sale 523 52.3300
Sale 13,000 52.3300
Sale 70 52.2200
Sale 90 52.3124
Sale 113 52.3700
Sale 105 52.2032
Sale 225 52.2400
Sale 110 52.2500
(b) Derivatives transactions (other than options)
Product name, Long/Short Number of Price per
(e.g. CFD) (Note 6) Securities unit (GBP)
CFD Long 55832 51.4594
CFD Long 14032 51.5368
CFD Long 4872 51.84
CFD Long 529 51.9546
CFD Long 9058 51.9973
CFD Long 4834 52.0519
CFD Long 10756 52.141
CFD Long 400 52.2021
CFD Long 6523 52.3457
CFD Short 8348 51.688
CFD Short 820 51.7709
CFD Short 1936 52.0511
CFD Short 912 52.263
CFD Short 700 52.3986
(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 Sell 85 52 Euro 19/12/2008 .815
Call Sell 50 52 Euro 19/12/2008 .879
Put Sell 50 52 Euro 19/12/2008 .686
Put Sell 85 52 Euro 19/12/2008 .750
(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 01 April 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 20,000 52.0000 AMER 18/04/2008
Option Purchased 20,000 54.0000 AMER 18/04/2008
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 -300 3,800.0000 EURO 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