Morgan Stanley Secs - EPT Disclosure - Amendment

RNS Number:0708S
Morgan Stanley Securities Limited
10 April 2008

AMENDMENT TO ANNOUNCEMENT 9853R RELEASED AT 13:03 ON 09 APRIL 2008

DEALINGS BY CONNECTED EXEMPT PRINCIPAL TRADERS

WITH RECOGNISED INTERMEDIARY STATUS

DEALING IN A CLIENT-SERVING CAPACITY

(Rule 38.5(a) of the Takeover Code)

1. KEY INFORMATION

Name of exempt principal trader Morgan Stanley Securities Limited

Company dealt in Rio Tinto Plc

Class of relevant security to which the Ordinary Shares
dealings being disclosed relate (Note 1)

Date of dealing 08 April 2008

2. DEALINGS (Note 2)

(a) Purchases and sales

Total number of securities purchased Highest price paid (Note 3) GBP Lowest price paid (Note 3) GBP

352,586 59.0500 56.7300

Total number of securities sold Highest price received (Note 3) GBP Lowest price received (Note 3) GBP

205,780 59.0100 56.7700

(b) Derivatives transactions (other than options)

Product name, Long/short (Note 4) Number of securities (Note 5) Price per unit (Note 3) GBP

e.g. CFD
CFD LONG 1,895 57.1326
CFD LONG 2,821 59.0100
CFD LONG 281,698 59.0100
CFD SHORT 7,763 59.0100
CFD LONG 1,952 58.2270
CFD LONG 23,609 58.2270
CFD LONG 9,459 58.3816
CFD LONG 294 72.5124 EUR
CFD SHORT 16,702 56.9646
CFD SHORT 1,381 56.9646
CFD SHORT 962 57.0300
CFD SHORT 21,678 57.4673
CFD SHORT 1,613 57.5651
CFD SHORT 90,000 58.1487
CFD SHORT 50,000 58.5866
CFD SHORT 294 72.5342 EUR

(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 5) price GBP European etc. date paid/received per
unit (Note 3)

N/A N/A N/A N/A N/A N/A N/A

(ii) Exercising

Product name, e.g. call option Number of securities Exercise price per unit (Note 3)
N/A N/A N/A

3. 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.

NONE

Date of disclosure 10 April 2008

Contact name Zafrhan Fahmy

Telephone number 020 7677 1871

Name of offeree/offeror with which connected Rio Tinto Plc
Nature of connection (Note 6) Advisor

Notes

The Notes on Form 38.5(a) 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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