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 23 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 46,898,314 4.70% 958,408 0.10%
securities
(2) Derivatives 2,749,248 0.28% 127,507 0.01%
(other than
options)
(3) Options and 101,450 0.01% 141,080 0.01%
agreements to
purchase/sell
Total 49,749,012 4.98% 1,226,995 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 150 63.5668
Purchase 23 64.7500
Purchase 4,221 62.9900
Purchase 2,557 64.4746
Purchase 11,084 63.6573
Purchase 6,012 62.9994
Purchase 217 62.9900
Purchase 100 66.2100
Purchase 309 64.2200
Purchase 64,824 63.1266
Purchase 7,607 62.9900
Purchase 500 66.2043
Purchase 800 64.2646
Purchase 1,400 64.3206
Purchase 19,376 66.6900
Purchase 3,370 64.1660
Purchase 90 80.5000 EUR
Purchase 522 62.9900
Purchase 136,422 66.6900
Purchase 691 66.6900
Purchase 19,812 66.6900
Purchase 94,098 66.6900
Purchase 3,523 66.6900
Sale 345 Transfer
Sale 1,032 Transfer
Sale 44 66.0600
Sale 6,672 64.0166
Sale 32,321 63.6239
Sale 20,286 63.4772
Sale 73 67.1416
Sale 1,550 67.1504
Sale 3,994 64.8557
Sale 7,853 64.4080
Sale 22,751 64.6281
Sale 21 65.3300
Sale 7,607 62.9900
Sale 5,684 64.2084
Sale 235 66.2200
Sale 1,530 67.3451
Sale 882 62.9900
Sale 522 62.9900
Sale 25,634 62.9900
Sale 50 81.3000 EUR
Sale 50 81.4100 EUR
Sale 75 63.6924
Sale 100 64.4884
Sale 220 66.2200
Sale 250 66.2200
Sale 77 66.1400
Sale 59,941 64.3692
Sale 200 63.5316
Sale 150 66.2200
Sale 50 64.6800
Sale 250 63.8000
Sale 7,637 62.9900
Sale 6,340 62.9900
Sale 187 63.7156
Sale 150 64.7540
Sale 140 64.8436
Sale 3,200 64.6078
Sale 200 64.3624
(b) Derivatives transactions (other than options)
Product name, Long/Short Number of Price per
(e.g. CFD) (Note 6) Securities unit (GBP)
CFD Long 20286 63.4771
CFD Long 32321 63.6239
CFD Long 6672 64.0165
CFD Long 5684 64.2084
CFD Long 59941 64.3692
CFD Long 7853 64.4079
CFD Long 3200 64.6077
CFD Long 22751 64.6281
CFD Long 3994 64.8557
CFD Short 6012 62.9994
CFD Short 64824 63.1265
CFD Short 11084 63.6572
CFD Short 3370 64.166
CFD Short 186 64.2057
CFD Short 800 64.2646
CFD Short 1400 64.3206
CFD Short 387 64.4357
CFD Short 2557 64.4745
CFD Short 500 66.2042
CFD Short 100 66.21
(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 27 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