SG Option Europe - EPT Disclosure

RNS Number:1368R
SG Option Europe
31 March 2008

DEALINGS BY CONNECTED EXEMPT PRINCIPAL TRADERS

WITHOUT RECOGNISED INTERMEDIARY STATUS, OR WITH RI STATUS

BUT NOT DEALING IN A CLIENT-SERVING CAPACITY

(Rule 38.5(b) of the Takeover Code)

1. KEY INFORMATION

Name of exempt principal trader

SG Option Europe
Company dealt in

Rio Tinto plc
Class of relevant security to which the
dealings being disclosed relate (Note 1)
10p Ordinary
Date of dealing

28 March 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 2)

Long Short

Number Number
(%) (%)

(1) Relevant securities 1,288,607
0.12
(2) Derivatives (other than options)

(3) Options and agreements to purchase/sell

Total 1,288,607
0.12

(b) Interests and short positions in relevant securities of the company,
other than the class dealt in (Note 2)

Class of relevant security: Long Short

Number Number
(%) (%)

(1) Relevant securities

(2) Derivatives (other than options)

(3) Options and agreements to purchase/sell

Total

(c) Rights to subscribe (Note 2)

Class of relevant security: Details

3. DEALINGS (Note 3)

(a) Purchases and sales

Purchase/Sale Number of Securities Price per Unit
Purchase 860 51.12
Purchase 669 51.15
Purchase 262 51.57
Purchase 186 51.60
Purchase 5760 51.67
Purchase 4252 51.69
Purchase 6336 51.84
Purchase 8255 51.86
Purchase 129630 52.03
Purchase 24695 52.23
Purchase 604 52.50
Total Purchase 181509
Sale 21552 51.59
Sale 8824 51.67
Sale 8772 51.70
Sale 431 51.73
Sale 4224 51.94
Sale 531 52.01
Sale 48204 52.05
Sale 128041 52.08
Total Sale 220579

(b) Derivatives transactions (other than options)

Product name, Long/short (Note 5) Number of securities (Note 6) Price per unit (Note 4)

e.g. CFD

(c) Options transactions in respect of existing securities

(i) Writing, selling, purchasing or varying

Product name, Writing, selling, Number of securities Exercise Type, e.g. Expiry Option money
purchasing, to which the option American,
e.g. call option varying etc. relates (Note 6) price European etc. date paid/received per
unit (Note 4)

(ii) Exercising

Product name, e.g. call option Number of securities Exercise price per unit (Note 4)

(d) Other dealings (including new securities) (Note 3)

Nature of transaction (Note 7) Details Price per unit (if applicable) (Note 4)

4. OTHER INFORMATION

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 38.5(b) attached? (Note 8)
NO

Date of disclosure

31 March 2008
Contact name

Patrick Overmeer
Telephone number

0207 676 6050
Name of offeree/offeror with which connected

Rio Tinto
Nature of connection (Note 9)

Advisor

Notes

The Notes on Form 38.5(b) can be viewed on the Takeover Panel's website at
www.thetakeoverpanel.org.uk

This information is provided by RNS
The company news service from the London Stock Exchange
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