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 27 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 46,954,456 4.70% 876,555 0.09%
securities
(2) Derivatives 2,681,373 0.27% 154,664 0.02%
(other than
options)
(3) Options and 101,450 0.01% 341,080 0.03%
agreements to
purchase/sell
Total 49,737,279 4.98% 1,372,299 0.14%
(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 1,142 61.7800
Purchase 8,897 62.5126
Purchase 47,410 61.8730
Purchase 35,343 63.0063
Purchase 510 61.7800
Purchase 661 61.7800
Purchase 5,315 61.7893
Purchase 167 61.7800
Purchase 1,160 63.0993
Purchase 190 62.3300
Purchase 22,000 63.0000
Purchase 1,000 62.2719
Purchase 20,119 62.2491
Purchase 2,001 63.7931
Purchase 24 Transfer
Purchase 197 61.7800
Purchase 5,900 62.2310
Purchase 586 61.7800
Purchase 23,649 62.3795
Purchase 797 63.6400
Purchase 367 62.6007
Purchase 896 64.0939
Purchase 419 61.7800
Purchase 419 61.7800
Purchase 427 62.1600
Purchase 1,081 62.1600
Purchase 415 61.7800
Sale 5,549 62.2340
Sale 372 Transfer
Sale 682 62.1000
Sale 24,317 62.2399
Sale 6,012 62.6048
Sale 4,452 62.3324
Sale 5,713 62.6476
Sale 8,500 61.7800
Sale 2,999 62.2104
Sale 3,584 62.2742
Sale 200 64.0804
Sale 764 64.2043
Sale 41 62.2860
Sale 91 62.1800
Sale 11,723 61.7800
Sale 4,101 61.7800
Sale 25,848 61.8446
Sale 1,256 61.7800
Sale 75 62.0200
Sale 125 63.3500
Sale 20 63.0640
Sale 50 62.6650
Sale 270 63.3500
Sale 12 62.6650
Sale 6 62.6650
Sale 25 62.7324
Sale 120 62.3848
Sale 6,000 Transfer
Sale 2,981 63.6400
Sale 4,312 61.7800
Sale 100 62.6650
Sale 75 62.2036
Sale 3,119 64.2043
Sale 24 Transfer
Sale 175 62.7040
Sale 50 62.3848
Sale 70 62.9900
Sale 214 62.0300
Sale 833 62.4658
Sale 90 62.1224
(b) Derivatives transactions (other than options)
Product name, Long/Short Number of Price per
(e.g. CFD) (Note 6) Securities unit (GBP)
CFD Long 943 61.7924
CFD Long 2999 62.2104
CFD Long 5549 62.234
CFD Long 24317 62.2398
CFD Long 3584 62.2741
CFD Long 4452 62.3323
CFD Long 833 62.4658
CFD Long 6012 62.6047
CFD Long 5713 62.6475
CFD Long 200 64.0804
CFD Short 5315 61.7892
CFD Short 47410 61.8729
CFD Short 5900 62.231
CFD Short 20119 62.249
CFD Short 1000 62.2719
CFD Short 23649 62.3794
CFD Short 8897 62.5125
CFD Short 35343 63.0063
CFD Short 2001 63.793
(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 Purchase 200,000 74 AMER 20/06/2008 4.5
(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 28 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 -135 5,200.0000 EURO 19/12/2008
Option Purchased -100,000 30.0000 AMER 20/06/2008
Option Purchased -38,000 70.0000 AMER 20/06/2008
Option Purchased -10,000 74.0000 AMER 20/06/2008
Option Purchased -2,000 70.0000 AMER 20/06/2008
Option Purchased -300 3,800.0000 EURO 20/06/2008
Option Purchased -250 2,500.0000 EURO 20/06/2008
Option Purchased -190,000 74.0000 AMER 20/06/2008
Option Purchased -145 5,200.0000 EURO 19/12/2008
Option Purchased 100,000 56.0000 AMER 18/12/2009
Option Purchased 125 4,400.0000 EURO 20/06/2008
Option Purchased 125 4,400.0000 EURO 20/06/2008
Option Purchased 250 3,800.0000 EURO 20/06/2008
Option Purchased 250 3,000.0000 EURO 20/06/2008
Option Purchased 350 4,600.0000 EURO 19/12/2008
Option Purchased 350 4,600.0000 EURO 19/12/2008
Option Purchased -250 5,200.0000 EURO 19/09/2008
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