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 28 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 46,924,500 4.70% 924,314 0.09%
securities
(2) Derivatives 2,732,397 0.27% 159,890 0.02%
(other than
options)
(3) Options and 101,461 0.01% 341,080 0.03%
agreements to
purchase/sell
Total 49,758,358 4.99% 1,425,284 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 375 61.6993
Purchase 1,091 61.0100
Purchase 1,060 61.3700
Purchase 3,900 62.1023
Purchase 900 61.5487
Purchase 9,081 61.4547
Purchase 6,940 61.6814
Purchase 150 61.5693
Purchase 1,300 62.0110
Purchase 800 61.5487
Purchase 3,763 61.0231
Purchase 12,505 61.4834
Purchase 21,800 61.4028
Purchase 73 61.5400
Purchase 8,381 61.8033
Purchase 70 61.5949
Purchase 2,498 61.3817
Purchase 64 61.3700
Purchase 337 64.6313
Purchase 2,455 Transfer
Sale 85 61.8031
Sale 50 61.2224
Sale 100 62.0700
Sale 192 61.0300
Sale 4,755 61.3700
Sale 100 61.5724
Sale 40 61.5800
Sale 75 61.0300
Sale 57,423 61.4275
Sale 68 61.2224
Sale 337 64.6313
Sale 5,315 61.5277
Sale 12,688 61.7320
Sale 1,524 61.7852
Sale 3,679 61.6991
Sale 60 61.5723
Sale 2,700 61.9056
Sale 20 61.7100
Sale 337 61.2000
Sale 7,204 61.3007
Sale 238 61.9700
Sale 67 61.3696
Sale 400 61.0409
Sale 85 61.2800
Sale 50 61.2800
Sale 150 61.2800
Sale 100 61.2800
Sale 250 61.2800
Sale 90 61.2800
Sale 60 61.2800
Sale 155 61.2800
Sale 870 61.3700
Sale 50 61.1700
Sale 100 61.2800
Sale 400 61.2800
Sale 400 61.2800
Sale 400 61.2800
Sale 60 62.0700
Sale 250 61.2800
Sale 72 61.2800
Sale 75 61.2800
Sale 2,616 61.3700
Sale 95 62.0700
Sale 50 61.2800
Sale 60 61.9423
Sale 50 61.9424
Sale 200 61.2800
Sale 175 61.2800
Sale 1,045 61.2377
Sale 60 61.2800
Sale 60 61.2800
Sale 375 61.2800
Sale 120 61.2800
Sale 60 61.2800
Sale 100 61.8532
Sale 75 61.2800
Sale 250 61.2800
Sale 50 61.2800
Sale 50 61.2800
Sale 479 61.2800
Sale 85 61.2800
Sale 75 61.2800
Sale 200 61.3440
Sale 95 61.2800
(b) Derivatives transactions (other than options)
Product name, Long/Short Number of Price per
(e.g. CFD) (Note 6) Securities unit (GBP)
CFD Long 400 61.0408
CFD Long 7204 61.3007
CFD Long 3596 61.37
CFD Long 57423 61.4274
CFD Long 5315 61.5276
CFD Long 162 61.652
CFD Long 3679 61.6991
CFD Long 12688 61.732
CFD Long 1524 61.7851
CFD Long 2700 61.9055
CFD Short 3763 61.0231
CFD Short 2498 61.3816
CFD Short 9081 61.4546
CFD Short 12505 61.4834
CFD Short 150 61.5692
CFD Short 6940 61.6814
CFD Short 375 61.6992
CFD Short 8381 61.8033
CFD Short 1300 62.011
CFD Short 3900 62.1023
(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 11000 76 EURO 20/06/2008 14
(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 29 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 11 7,600.0000 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 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