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 15 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 46,898,298 4.70% 1,115,059 0.11%
securities
(2) Derivatives 2,917,255 0.29% 38,691 0.00%
(other than
options)
(3) Options and 101,450 0.01% 141,080 0.01%
agreements to
purchase/sell
Total 49,917,003 5.00% 1,294,830 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 2,050 70.2300
Purchase 30 69.1367
Purchase 271 67.4050
Purchase 8,580 70.2300
Purchase 779 70.2300
Purchase 581 70.2300
Purchase 53 70.2300
Purchase 291 70.2300
Purchase 4,296 70.2300
Purchase 66 69.1368
Purchase 22,584 70.2300
Purchase 80 69.1368
Purchase 4,945 67.8727
Purchase 2,212 69.7523
Purchase 13,118 69.4947
Purchase 800 68.8631
Purchase 13,992 69.7409
Purchase 9,593 69.5678
Purchase 1,032 70.0174
Purchase 7,057 67.5766
Purchase 390 70.2300
Purchase 360 67.9500
Purchase 60 67.1500
Purchase 1,733 68.7290
Purchase 201 67.1500
Purchase 518 68.7290
Purchase 30 67.1500
Purchase 260 68.7290
Purchase 547 68.7290
Purchase 64 67.1500
Sale 41,591 67.7806
Sale 16,293 68.1248
Sale 49 69.5500
Sale 64,126 67.7100
Sale 32,700 67.4728
Sale 600 68.5100
Sale 2 67.4300
Sale 75 67.3100
Sale 8 67.4800
Sale 52 Transfer
Sale 10,394 68.4105
Sale 100 68.0924
Sale 650 69.8700
Sale 2,462 70.2300
Sale 204 68.5955
Sale 5,484 70.2195
Sale 29,800 67.9007
Sale 36 67.2600
Sale 15,533 69.0253
Sale 146 70.2300
Sale 202 70.2300
Sale 8,690 67.8910
Sale 6,301 67.7029
Sale 119 68.3748
Sale 1,768 70.2300
Sale 14,238 70.2300
Sale 575 69.1600
Sale 50 68.1500
Sale 700 69.0800
Sale 600 68.0000
Sale 10 67.1500
Sale 9 67.1500
Sale 136 68.7846
Sale 85 68.3624
Sale 1,399 69.4457
Sale 19 67.1500
Sale 175 68.4600
Sale 140 68.7846
Sale 1,031 68.7846
Sale 6,033 70.2300
Sale 3,272 70.2300
Sale 180 68.4220
Sale 90 69.8500
Sale 85 67.6400
Sale 100 67.6748
Sale 272 68.7846
Sale 304 68.7846
Sale 205 67.1500
Sale 144 67.4840
Sale 200 68.2040
Sale 146 70.2300
Sale 146 70.2300
Sale 146 70.2300
Sale 168 68.7846
Sale 138 70.2300
Sale 12 67.1500
Sale 23 67.1500
Sale 30,500 69.9582
Sale 310 70.2300
Sale 2,747 68.7846
Sale 77 67.1500
Sale 100 68.3100
Sale 287 70.2300
(b) Derivatives transactions (other than options)
Product name, Long/Short Number of Price per
(e.g. CFD) (Note 6) Securities unit (GBP)
CFD Long 2 67.43
CFD Long 6301 67.7029
CFD Long 41591 67.7805
CFD Long 8690 67.891
CFD Long 29800 67.9007
CFD Long 16293 68.1248
CFD Long 840 68.2365
CFD Long 139 68.2522
CFD Long 10394 68.4104
CFD Long 204 68.5954
CFD Long 15533 69.0252
CFD Long 30500 69.9581
CFD Long 5484 70.2194
CFD Short 7057 67.5766
CFD Short 4945 67.8727
CFD Short 4219 68.7497
CFD Short 800 68.863
CFD Short 13118 69.4946
CFD Short 9593 69.5678
CFD Short 13992 69.7409
CFD Short 2212 69.7523
CFD Short 1032 70.0174
(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 16 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 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
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 3,800.0000 EURO 20/06/2008
Option Purchased 250 3,000.0000 EURO 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