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 19 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 46,803,110 4.69% 983,354 0.10%
securities
(2) Derivatives 2,786,150 0.28% 40,442 0.00%
(other than
options)
(3) Options and 101,450 0.01% 141,080 0.01%
agreements to
purchase/sell
Total 49,690,710 4.98% 1,164,876 0.12%
(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 6,659 70.1899
Purchase 162 69.7870
Purchase 41,392 70.3770
Purchase 174 70.2906
Purchase 1,074 70.5672
Purchase 25,260 70.4524
Purchase 800 70.3906
Purchase 4,436 70.7800
Purchase 22 70.1000
Purchase 47 Transfer
Purchase 57 Transfer
Purchase 12,798 70.3077
Purchase 211 69.9349
Purchase 1,309 69.7290
Purchase 5,577 70.0175
Purchase 1,438 70.1624
Purchase 15 87.7500 EUR
Purchase 1,700 69.7290
Purchase 12,756 69.9871
Purchase 802 69.7500
Purchase 484 70.0183
Purchase 85 69.7500
Purchase 4,746 70.4224
Sale 60 69.5900
Sale 300 69.9885
Sale 150 69.6900
Sale 55 70.3747
Sale 75 70.0924
Sale 100 70.1532
Sale 200 69.7948
Sale 100 70.8636
Sale 98 69.6900
Sale 53,167 70.7800
Sale 1,300 69.7377
Sale 25 69.5500
Sale 32,700 70.0411
Sale 100 70.3800
Sale 1,582 70.4455
Sale 5,053 69.9686
Sale 57 Transfer
Sale 1,125 70.0500
Sale 47 Transfer
Sale 800 69.7385
Sale 14 69.5632
Sale 3,022 70.1758
Sale 196 69.7632
Sale 5,152 70.1860
Sale 66 69.5400
Sale 629 69.9727
Sale 50 69.9532
Sale 30 70.1317
Sale 50 70.4080
Sale 40 70.9100
Sale 100 70.1012
Sale 50 69.9224
Sale 100 69.8832
Sale 50 70.6048
Sale 1,052 69.9672
Sale 262 69.9811
Sale 425 69.9888
Sale 1,834 69.9888
Sale 154 69.9888
Sale 1,189 69.9888
Sale 444 69.9888
Sale 1,683 69.9888
Sale 709 69.9668
Sale 1,949 69.9684
Sale 125 70.1000
Sale 130 70.1336
Sale 1,685 69.9683
Sale 44 70.4864
Sale 50 70.3800
Sale 247 69.9857
Sale 311 69.9815
Sale 249 69.9842
Sale 220 70.7200
Sale 143 69.9888
Sale 1,000 70.6300
Sale 85 69.8532
Sale 120 70.5336
Sale 328 69.9809
Sale 55 69.8220
Sale 45 69.8800
Sale 70 70.7911
Sale 249 69.9842
Sale 200 70.3800
Sale 150 70.1348
(b) Derivatives transactions (other than options)
Product name, Long/Short Number of Price per
(e.g. CFD) (Note 6) Securities unit (GBP)
CFD Long 1300 69.7376
CFD Long 800 69.7385
CFD Long 196 69.7632
CFD Long 300 69.9885
CFD Long 3022 70.1757
CFD Long 1582 70.4454
CFD Short 162 69.7869
CFD Short 12756 69.9871
CFD Short 5577 70.0174
CFD Short 6659 70.1898
CFD Short 41392 70.3769
CFD Short 800 70.3905
CFD Short 4746 70.4223
CFD Short 25260 70.4523
CFD Short 1074 70.5672
(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 20 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