Morgan Stanley Secs - EPT Disclosure

RNS Number:5485S
Morgan Stanley Securities Limited
17 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 16 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

764,532 63.6700 60.0700

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

335,911 63.9929 60.0700

(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 1,150 60.6379
CFD LONG 3,115 60.6379
CFD LONG 735 60.6379
CFD LONG 100 60.7478
CFD LONG 239 61.4038
CFD LONG 3,000 61.4574
CFD LONG 4,200 61.5922
CFD LONG 14,000 61.7783
CFD LONG 419 61.9661
CFD LONG 63 62.4620
CFD LONG 499 62.8367
CFD LONG 6,035 62.8367
CFD LONG 40,814 63.6620
CFD SHORT 239 60.7576
CFD SHORT 419 60.7576
CFD SHORT 100,000 60.8781
CFD SHORT 11,796 61.2255
CFD SHORT 148,204 61.2255
CFD SHORT 58,000 61.6766
CFD SHORT 75 62.1181
CFD SHORT 47,896 62.1729
CFD SHORT 453 62.2071
CFD SHORT 151 62.2071
CFD SHORT 80 62.2071
CFD SHORT 106 62.2071
CFD SHORT 1,707 62.2071
CFD SHORT 653 62.2071
CFD SHORT 14 62.2071
CFD SHORT 6 62.2071
CFD SHORT 59 62.7741
CFD SHORT 705 62.7741
CFD SHORT 76,670 63.2008
CFD SHORT 5,330 63.2008
CFD LONG 14,234 63.6700
CFD SHORT 21,463 62.7342
CFD SHORT 1,074 63.6700

(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 17 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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