Morgan Stanley Secs - EPT Disclosure

RNS Number:1418R
Morgan Stanley Securities Limited
31 March 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 28 March 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

264,038 52.6600 48.3500

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

330,498 53.0500 51.1200

(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 36,899 51.6700
CFD LONG 1,462 51.6700
CFD LONG 4,417 51.6700
CFD LONG 6,273 51.6648
CFD LONG 68,488 51.6994
CFD LONG 379 51.9909
CFD LONG 1,200 52.0772
CFD LONG 2,355 52.0772
CFD LONG 146 52.0772
CFD LONG 287 52.0772
CFD LONG 8,972 52.0795
CFD SHORT 86,600 48.3500
CFD SHORT 17,400 48.3500
CFD SHORT 24 51.7789
CFD SHORT 194 51.7789
CFD SHORT 379 52.1398
CFD SHORT 7,081 51.6700
CFD SHORT 261 51.8697

(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 31 March 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
END

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