Morgan StanAustralia - EPT Disclosure

RNS Number:5830S
Morgan Stanley Australia Sec Ltd.
17 April 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 Morgan Stanley Australia Securities Limited

Company dealt in Rio Tinto Limited

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

Date of dealing 16 April 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 51,169 447,505
(0.01%) (0.10%)

(2) Derivatives (other than options) N/A N/A

(3) Options and agreements to purchase/sell N/A N/A

Total 51,169 447,505
(0.01%) (0.10%)

(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 N/A N/A

(2) Derivatives (other than options) N/A N/A

(3) Options and agreements to purchase/sell N/A N/A

Total N/A N/A

(c) Rights to subscribe (Note 2)

Class of relevant security: Details

N/A N/A

3. DEALINGS (Note 3)

(a) Purchases and sales

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

123,173 142.0500 139.7000

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

49,766 142.0000 140.6000

(b) Derivatives transactions (other than options)

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

e.g. CFD
N/A 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

Is a Supplemental Form 38.5(b) attached? (Note 8) NO

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 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
END

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