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 08 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 47,053,851 4.71% 1,073,790 0.11%
securities
(2) Derivatives 2,866,705 0.29% 112,644 0.01%
(other than
options)
(3) Options and 101,450 0.01% 141,080 0.01%
agreements to
purchase/sell
Total 50,022,006 5.01% 1,327,514 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 336 65.0000
Purchase 555 65.0000
Purchase 5,020 65.0372
Purchase 495 64.4600
Purchase 12,816 64.9238
Purchase 67,508 64.3638
Purchase 4,792 65.0000
Purchase 1,000 64.9597
Purchase 158 64.5700
Purchase 2 63.5900
Purchase 15,670 65.0000
Purchase 19,641 65.0000
Purchase 424 63.6512
Purchase 6,286 64.7233
Purchase 15,551 64.5927
Purchase 586 65.0000
Purchase 961 63.9747
Purchase 47,628 64.5541
Purchase 11,775 64.8295
Purchase 495 63.8330
Purchase 176 64.4344
Purchase 582 64.1552
Purchase 5,605 65.0353
Purchase 211 64.4274
Purchase 183 64.4350
Purchase 378 65.0000
Purchase 304 64.4182
Purchase 619 65.0000
Purchase 225 64.4168
Purchase 10,150 65.0000
Purchase 621 64.3467
Purchase 1,382 65.0000
Purchase 3,976 65.0000
Purchase 122 65.0000
Purchase 10,880 65.0000
Purchase 1,636 65.0000
Purchase 1,920 65.0000
Sale 2 64.2130
Sale 112 64.9600
Sale 130 63.7624
Sale 300 63.8700
Sale 150 64.9600
Sale 200 64.9600
Sale 100 64.9600
Sale 495 63.8330
Sale 150 64.9600
Sale 168 64.8460
Sale 57 65.0560
Sale 42,672 64.5239
Sale 49 Transfer
Sale 151 62.8815
Sale 200 64.9600
Sale 990 64.2391
Sale 38 63.7245
Sale 13,618 64.7054
Sale 500 63.5200
Sale 12,141 64.6831
Sale 387 64.7600
Sale 900 64.1061
Sale 26,187 64.9142
Sale 105 64.9600
Sale 15,810 65.0000
Sale 150 64.9600
Sale 100 65.1920
Sale 65 64.3925
Sale 150 64.9600
Sale 200 64.9600
Sale 114 64.9600
Sale 150 64.2624
Sale 70 65.1800
Sale 100 65.1800
Sale 90 64.9600
Sale 75 64.0720
Sale 381 64.4767
Sale 364 62.8100
Sale 1,654 64.4488
Sale 281 64.4685
Sale 37 64.2300
Sale 35 64.7374
Sale 200 64.2020
Sale 85 64.9600
Sale 50 65.0060
Sale 230 64.9600
Sale 150 64.9600
Sale 50 65.0060
Sale 125 64.9600
Sale 75 64.9600
Sale 60 65.0530
Sale 2 63.5900
Sale 100 64.7375
Sale 50 63.8700
Sale 100 64.9600
Sale 110 64.6300
Sale 186 64.1545
Sale 150 64.9600
Sale 152 62.8100
Sale 100 65.1800
Sale 200 64.9600
(b) Derivatives transactions (other than options)
Product name, Long/Short Number of Price per
(e.g. CFD) (Note 6) Securities unit (GBP)
CFD Long 500 63.52
CFD Long 900 64.1061
CFD Long 42672 64.5238
CFD Long 354 64.6598
CFD Long 13618 64.7054
CFD Long 26187 64.9141
CFD Short 961 63.9747
CFD Short 47628 64.554
CFD Short 1742 64.5548
CFD Short 15551 64.5927
CFD Short 6286 64.7232
CFD Short 11775 64.8294
CFD Short 1000 64.9597
CFD Short 5605 65.0353
CFD Short 5020 65.0371
(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 09 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