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 December 2007
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 47,370,317 4.75% 2,656,399 0.27%
securities
(2) Derivatives 2,303,232 0.23% 224,223 0.02%
(other than
options)
(3) Options and 204,131 0.02% 1,303,531 0.13%
agreements to
purchase/sell
Total 49,877,680 5.00% 4,184,153 0.42%
(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 2,898 51.7600
Purchase 6,056 51.7600
Purchase 1,837 51.8078
Purchase 5,604 52.7623
Purchase 136 53.5200
Purchase 87,491 51.7766
Purchase 8,260 51.7600
Purchase 87,965 51.5776
Purchase 1,837 51.8166
Purchase 56 Transfer
Purchase 136,441 52.9400
Purchase 4,000 51.7203
Purchase 1,206 52.0263
Purchase 1,000 51.5300
Purchase 5,604 52.7623
Purchase 26,840 52.2370
Purchase 5,332 51.7600
Purchase 400 51.4979
Purchase 38,653 52.1760
Purchase 66 53.4900
Purchase 4,242 51.6920
Purchase 35,040 51.7600
Purchase 53,056 52.1447
Purchase 36,344 52.1524
Purchase 10,512 51.7600
Purchase 2,182 52.0141
Purchase 4,782 51.7600
Purchase 53,056 52.1447
Purchase 750 53.3400
Purchase 1,262 53.2717
Purchase 591 Transfer
Purchase 6,716 52.4217
Purchase 16,238 53.2166
Purchase 78,163 51.7779
Purchase 126 53.3700
Purchase 3,467 51.7600
Purchase 10,615 52.1029
Sale 100 52.1900
Sale 32 Transfer
Sale 6,716 52.4217
Sale 16,238 53.2166
Sale 200 52.1900
Sale 25,301 51.7600
Sale 8,260 51.7600
Sale 1,182 51.7600
Sale 400 51.4886
Sale 6,056 51.7600
Sale 87,965 51.5776
Sale 36,344 52.1524
Sale 4,000 51.7109
Sale 56 Transfer
Sale 210 51.8475
Sale 591 Transfer
Sale 2,182 52.0094
Sale 164,429 51.7600
Sale 70 51.6876
Sale 70 51.3076
Sale 36,344 52.1524
Sale 1,837 51.8166
Sale 4,242 51.6873
Sale 2,898 51.7600
Sale 126 53.3700
Sale 1,262 53.2637
Sale 26,840 52.2370
Sale 100 51.6875
Sale 7,883 51.7600
Sale 135 52.1900
Sale 140 51.7550
Sale 100 52.1900
Sale 78,163 51.7779
Sale 1,000 51.5300
Sale 1,206 52.0185
Sale 75 52.1900
Sale 100 52.1900
Sale 80 52.1900
Sale 100 52.1900
Sale 1,837 51.8078
Sale 3,467 51.7600
Sale 38,200 52.9400
Sale 185 52.1900
Sale 70 52.1900
Sale 200 52.1900
Sale 750 53.3400
Sale 5,604 52.7623
Sale 53,056 52.1447
Sale 5,040 51.7600
Sale 125 53.1450
Sale 16,238 53.2166
Sale 140 52.1900
Sale 50 52.1900
Sale 750 53.3400
Sale 250 52.1900
Sale 20 51.9000
Sale 6,716 52.4217
Sale 38,653 52.1760
Sale 10,615 52.0977
Sale 1,962 51.7600
Sale 65 52.1900
(b) Derivatives transactions (other than options)
Product name, Long/Short Number of Price per
(e.g. CFD) (Note 6) Securities unit (GBP)
CFD Short 400 51.4978
CFD Short 2182 52.014
CFD Short 1206 52.0262
CFD Short 10615 52.1029
CFD Short 38653 52.176
CFD Short 5604 52.7623
CFD Short 136441 52.94
CFD Long 4242 51.6873
CFD Long 4000 51.7109
CFD Long 26840 52.2369
CFD Long 6716 52.4217
CFD Long 422 52.6664
CFD Long 1262 53.2636
CFD Long 750 53.34
(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 17 December 2007
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 -300,000 52.0000 AMER 15/02/2008
Option Purchased -300,000 56.0000 AMER 15/02/2008
Option Purchased -100,000 30.0000 AMER 20/06/2008
Option Purchased -1,000 3,500.0000 EURO 21/12/2007
Option Purchased -500 4,400.0000 EURO 21/12/2007
Option Purchased -350 5,200.0000 EURO 21/12/2007
Option Purchased -306 4,200.0000 EURO 21/12/2007
Option Purchased -300 3,800.0000 EURO 20/06/2008
Option Purchased -300 6,000.0000 EURO 21/12/2007
Option Purchased -275 4,800.0000 EURO 21/12/2007
Option Purchased -250 2,500.0000 EURO 20/06/2008
Option Purchased -250 5,200.0000 EURO 20/03/2008
Option Purchased -600,000 42.0000 AMER 21/12/2007
Option Purchased 100 5,600.0000 EURO 18/01/2008
Option Purchased 200,000 60.0000 AMER 18/01/2008
Option Purchased 125 4,400.0000 EURO 20/06/2008
Option Purchased 250 3,000.0000 EURO 20/06/2008
Option Purchased 250 3,300.0000 EURO 21/12/2007
Option Purchased 250 4,500.0000 EURO 21/12/2007
Option Purchased 250 6,000.0000 EURO 15/02/2008
Option Purchased 250 6,000.0000 EURO 15/02/2008
Option Purchased 250 3,800.0000 EURO 20/06/2008
Option Purchased 275 5,000.0000 EURO 21/12/2007
Option Purchased 306 4,800.0000 EURO 21/12/2007
Option Purchased 350 4,600.0000 EURO 19/12/2008
Option Purchased 350 4,600.0000 EURO 19/12/2008
Option Purchased 450 3,500.0000 EURO 21/12/2007
Option Purchased 500 5,200.0000 EURO 21/12/2007
Option Purchased 50 5,400.0000 EURO 20/03/2008
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