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 09 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 46,946,820 4.70% 1,056,222 0.11%
securities
(2) Derivatives 2,861,955 0.29% 84,704 0.01%
(other than
options)
(3) Options and 101,450 0.01% 141,080 0.01%
agreements to
purchase/sell
Total 49,910,225 5.00% 1,282,006 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 Price per unit
Securities GBP)
Purchase 313 64.0504
Purchase 1,030 64.0493
Purchase 234 64.0497
Purchase 85 64.1566
Purchase 254 64.0497
Purchase 304 64.0497
Purchase 442 64.0497
Purchase 362 64.0497
Purchase 342 64.0497
Purchase 420 64.0497
Purchase 10,967 63.8149
Purchase 118 64.9
Purchase 596 64.0497
Purchase 703 64.0488
Purchase 8,970 64.0492
Purchase 213 64.0507
Purchase 1,332 64.02
Purchase 4,275 64.02
Purchase 2,224 64.1279
Purchase 37 Transfer
Purchase 7,344 64.0594
Purchase 44 Transfer
Purchase 90 Transfer
Purchase 7,300 64.2679
Purchase 67 64.197
Purchase 80,000 64.5503
Purchase 14,000 64.9427
Purchase 12,021 64.119
Purchase 32 Transfer
Purchase 2,120 64.0493
Purchase 635 64.0487
Purchase 1,243 64.0492
Purchase 586 64.0497
Purchase 6,116 63.6569
Purchase 1,803 64.0091
Purchase 3,028 64.0092
Purchase 1,100 64.0093
Purchase 5,642 64.0091
Purchase 1,868 64.0092
Purchase 8,674 64.0092
Purchase 8,409 64.02
Purchase 2,607 63.895
Purchase 243 64.02
Purchase 850 64.1722
Sale 650 63.63
Sale 70 64.8
Sale 72 64.8
Sale 200 64.8
Sale 40 64.8
Sale 65 64.8
Sale 120 64.8
Sale 75 64.8
Sale 100 64.8
Sale 100 64.8
Sale 71 64.2275
Sale 400 64.8
Sale 105 64.8
Sale 230 64.8
Sale 65 64.8
Sale 140 64.8
Sale 40 64.8
Sale 55 64.8
Sale 60 64.8
Sale 70 64.8
Sale 120 64.8
Sale 300 64.8
Sale 130 64.8
Sale 120 64.8
Sale 60 64.8
Sale 30 64.8
Sale 100 64.8
Sale 105 64.8
Sale 55 64.8
Sale 55 64.8
Sale 140 64.8
Sale 4,000 64.02
Sale 13,296 64.2239
Sale 37 Transfer
Sale 1,694 64.8115
Sale 37 Transfer
Sale 8,931 64.8514
Sale 5,900 64.3641
Sale 70 64.8
Sale 187 63.876
Sale 2 64.95
Sale 4,808 64.2815
Sale 105 64.3045
Sale 23 64.106
Sale 1,103 63.91
Sale 31,815 64.2195
Sale 16 64.4375
Sale 27 64.8865
Sale 39 64.206
Sale 41 64.1475
Sale 150 64.8
Sale 90 Transfer
Sale 70 64.8
Sale 50 64.8
Sale 160 64.8
Sale 17 64.2075
Sale 30,011 64.02
Sale 78 65.0375
Sale 42 64.32
Sale 44 Transfer
Sale 8 64.053
Sale 61,734 64.0378
Sale 61 64.1005
Sale 40 64.8
Sale 1,350 63.74
Sale 100 64.8
Sale 60 64.8
Sale 50 64.8
Sale 130 64.8
Sale 100 64.8
Sale 65 64.93
Sale 130 64.8
Sale 280 64.8
Sale 94 64.93
Sale 88 64.8
Sale 100 64.8
Sale 95 64.93
Sale 50 64.93
Sale 158 64.0575
Sale 80 64.93
Sale 110 64.93
Sale 113 64.93
Sale 63 64.93
Sale 130 64.93
Sale 105 64.8
Sale 130 64.8
Sale 70 64.8
Sale 120 64.8
Sale 50 64.8
Sale 88 64.8
Sale 120 64.8
Sale 60 64.8
Sale 80 64.93
Sale 45 64.8
Sale 50 64.8
Sale 120 64.8
Sale 60 64.8
Sale 26 64.8
Sale 40 64.8
Sale 80 64.8
Sale 65 64.8
Sale 83 64.8
Sale 65 64.93
Sale 60 64.8
Sale 120 64.8
Sale 90 64.8
Sale 75 63.6891
Sale 125,930 64.99
Sale 130 64.8
Sale 62 64.8
Sale 60 64.8
Sale 73 64.8
Sale 94 64.93
Sale 67 64.13
Sale 80 64.8
Sale 140 64.8
Sale 75 64.8
Sale 85 64.8
Sale 50 64.8
Sale 80 64.8
Sale 50 64.8
Sale 140 64.8
Sale 60 64.8
Sale 95 64.8
Sale 770 64.93
Sale 50 64.93
Sale 315 64.93
Sale 160 64.93
Sale 40 64.8
Sale 65 64.8
Sale 130 64.8
Sale 100 64.8
Sale 60 64.8
Sale 1,200 64.8
Sale 40 64.8
Sale 50 64.8
Sale 70 64.8
Sale 110 64.8
Sale 55 64.8
Sale 85 64.8
Sale 80 64.8
Sale 1,581 64.02
Sale 65 64.8
(b) Derivatives transactions (other than options)
Product name, Long/Short Number of Price per
(e.g. CFD) (Note 6) Securities unit (GBP)
CFD Long 8409 64.02
CFD Long 61734 64.0377
CFD Long 31815 64.2195
CFD Long 13296 64.2238
CFD Long 4808 64.2814
CFD Long 5900 64.3641
CFD Long 1694 64.8114
CFD Long 8931 64.8513
CFD Short 1950 63.6614
CFD Short 10967 63.8148
CFD Short 7344 64.0593
CFD Short 12021 64.1189
CFD Short 2224 64.1279
CFD Short 7300 64.2679
CFD Short 80000 64.5502
(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 12 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