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 14 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 47,103,962 4.72% 1,013,410 0.10%
securities
(2) Derivatives 2,814,627 0.28% 44,866 0.00%
(other than
options)
(3) Options and 101,450 0.01% 141,080 0.01%
agreements to
purchase/sell
Total 50,020,039 5.01% 1,199,356 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 80,000 69.0942
Purchase 1,409 68.4407
Purchase 174 67.8567
Purchase 72 67.9519
Purchase 504 67.8567
Purchase 14,952 68.3509
Purchase 4,100 69.2841
Purchase 8,534 69.2651
Purchase 7,872 68.9319
Purchase 910 67.8567
Purchase 6,625 68.3509
Purchase 399 67.8567
Purchase 144 Transfer
Purchase 3,000 68.8100
Purchase 10,005 66.5051
Purchase 4,479 68.3509
Purchase 200 67.5522
Purchase 25,673 68.8521
Purchase 1,875 68.5348
Purchase 38,768 68.8100
Purchase 11,770 68.8750
Purchase 12,825 68.8100
Purchase 170 67.9519
Purchase 1,822 67.8567
Purchase 564 67.9519
Purchase 703 67.8567
Purchase 4,278 67.8567
Purchase 396 67.8567
Purchase 3,161 67.8567
Purchase 175 67.9519
Purchase 1,058 67.8567
Purchase 422 67.8567
Purchase 1,144 67.8567
Purchase 354 67.9519
Purchase 190 67.9519
Sale 69 64.3390
Sale 8,779 67.8251
Sale 1,204 68.4460
Sale 48 67.4148
Sale 26 Transfer
Sale 19 65.9230
Sale 167 67.7500
Sale 8,285 67.2637
Sale 64 64.7045
Sale 1,497 67.4701
Sale 144 Transfer
Sale 83 68.8100
Sale 1,419 68.8100
Sale 5,655 68.8100
Sale 77 67.4600
Sale 205 68.3008
Sale 256 68.8100
Sale 61 67.2248
Sale 222 68.8100
Sale 22,309 67.9256
Sale 38 69.3100
Sale 20,427 68.6774
Sale 135 68.8100
Sale 2,294 68.8100
Sale 44 68.8416
Sale 21 67.6616
Sale 300 69.2600
Sale 40 67.9600
Sale 87 68.8100
Sale 70 68.9031
Sale 250 68.9100
Sale 85 67.6816
Sale 50 68.3000
Sale 41,966 67.8351
Sale 120 68.9400
Sale 50 67.4900
Sale 2,300 68.0000
Sale 80 68.1124
Sale 80 67.9020
Sale 125 67.7132
Sale 50 67.2200
Sale 95 69.2200
Sale 250 67.5100
Sale 160 67.6932
Sale 200 68.9700
Sale 41,170 68.0206
Sale 11,028 68.8100
Sale 28 68.6230
Sale 100 67.4900
Sale 250 67.4900
Sale 80 67.6824
Sale 50 67.4356
Sale 65 67.5635
Sale 80 67.7916
Sale 100 68.3000
Sale 100 67.3632
Sale 50 67.4532
Sale 85 67.3732
Sale 75 67.3900
Sale 27,274 67.7090
Sale 65 69.1400
(b) Derivatives transactions (other than options)
Product name, Long/Short Number of Price per
(e.g. CFD) (Note 6) Securities unit (GBP)
CFD Long 8285 67.2636
CFD Long 468 67.4465
CFD Long 1497 67.4701
CFD Long 27274 67.709
CFD Long 8779 67.825
CFD Long 41966 67.835
CFD Long 22309 67.9256
CFD Long 41170 68.0205
CFD Long 205 68.3008
CFD Long 20427 68.6773
CFD Short 10005 66.5051
CFD Short 200 67.5522
CFD Short 1875 68.5348
CFD Short 25673 68.8521
CFD Short 11770 68.875
CFD Short 7872 68.9318
CFD Short 80000 69.0941
CFD Short 8534 69.265
CFD Short 4100 69.2841
(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 15 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 -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
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
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