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 12 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 46,913,134 4.70% 1,092,168 0.11%
securities
(2) Derivatives 2,889,354 0.29% 74,241 0.01%
(other than
options)
(3) Options and 101,450 0.01% 141,080 0.01%
agreements to
purchase/sell
Total 49,903,938 5.00% 1,307,489 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 140 64.3475
Purchase 86 63.6689
Purchase 1,604 63.6632
Purchase 188 63.4468
Purchase 1,138 63.5139
Purchase 158 63.4468
Purchase 228 64.7200
Purchase 862 63.6673
Purchase 5,746 63.4472
Purchase 4,560 63.5622
Purchase 3,270 64.0900
Purchase 7,571 64.0770
Purchase 3,632 63.3807
Purchase 7,666 63.9309
Purchase 800 64.5695
Purchase 6,317 63.6201
Purchase 1,200 63.6099
Purchase 1,196 63.4461
Purchase 2,007 63.4469
Purchase 731 63.4472
Purchase 3,738 63.4472
Purchase 1,236 63.4473
Purchase 436 64.0900
Sale 604 63.7576
Sale 26 64.5560
Sale 65 64.3300
Sale 6,445 63.2873
Sale 31,329 63.5504
Sale 140 64.3475
Sale 116 63.5736
Sale 63 64.2365
Sale 2,917 63.6520
Sale 11 64.0405
Sale 10,264 63.6492
Sale 26 64.0105
Sale 1,180 64.0804
Sale 6,388 63.7112
Sale 12 64.8490
Sale 150 63.9200
Sale 65 63.4660
Sale 50 63.5500
Sale 40 62.9300
Sale 250 63.8560
Sale 476 63.4300
Sale 50 64.1950
Sale 33 64.1900
Sale 100 63.0500
Sale 120 63.4075
Sale 100 63.4075
Sale 100 63.1924
Sale 70 63.8644
Sale 14,148 63.4259
Sale 2,222 63.4300
Sale 55 63.4900
Sale 40 63.2733
Sale 55 63.3324
Sale 475 63.3000
Sale 40 63.3500
Sale 850 62.9900
Sale 3,000 62.9363
Sale 90 63.2390
Sale 5,346 62.9315
Sale 635 64.9200
Sale 50 64.0332
(b) Derivatives transactions (other than options)
Product name, Long/Short Number of Price per
(e.g. CFD) (Note 6) Securities unit (GBP)
CFD Long 5346 62.9315
CFD Long 3000 62.9363
CFD Long 6445 63.2873
CFD Long 14148 63.4258
CFD Long 31329 63.5503
CFD Long 10264 63.6492
CFD Long 2917 63.652
CFD Long 6388 63.7112
CFD Long 604 63.7576
CFD Long 1180 64.0803
CFD Short 3632 63.3806
CFD Short 1138 63.5138
CFD Short 4560 63.5622
CFD Short 1200 63.6098
CFD Short 6317 63.6201
CFD Short 1604 63.6631
CFD Short 862 63.6672
CFD Short 7666 63.9309
CFD Short 7571 64.077
CFD Short 800 64.5695
(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 13 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 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