Morgan Stanley Secs - EPT Disclosure - Amendment

RNS Number:0851S
Morgan Stanley Securities Limited
10 April 2008

AMENDMENT TO ANNOUNCEMENT 9971R RELEASED AT 14:24 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 BHP Billiton 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

2,769,629 17.6200 16.4000

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

3,074,004 17.6464 16.4100

(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 4,286 16.5000
CFD LONG 135 17.4959
CFD LONG 6,248 17.4959
CFD LONG 649,438 17.6200
CFD SHORT 17,558 17.4959
CFD SHORT 55,578 17.6200
CFD SHORT 42,111 17.6200
CFD LONG 650 16.5212
CFD LONG 9,000 16.5212
CFD LONG 40,000 16.5217
CFD LONG 2,048 16.5513
CFD LONG 15,000 16.5635
CFD LONG 3,675 16.6131
CFD LONG 5,750 16.6131
CFD LONG 15,575 16.6131
CFD LONG 10,000 16.6276
CFD LONG 310,000 16.6529
CFD LONG 118 16.6916
CFD LONG 54 16.6916
CFD LONG 221,596 16.8553
CFD LONG 10,704 17.1338
CFD LONG 129,484 17.1338
CFD LONG 24,000 17.2169
CFD LONG 5,600 17.5630
CFD LONG 96,700 17.5630
CFD LONG 144,594 17.6178
CFD LONG 969 21.1966 EUR
CFD SHORT 3,675 16.4433
CFD SHORT 15,575 16.4433
CFD SHORT 5,750 16.4433
CFD SHORT 42,665 16.4788
CFD SHORT 3,527 16.4788
CFD SHORT 24,241 16.4813
CFD SHORT 9,870 16.4813
CFD SHORT 14,426 16.4813
CFD SHORT 5,946 16.4813
CFD SHORT 4,440 16.4900
CFD SHORT 10,000 16.5423
CFD SHORT 63,000 16.9353
CFD SHORT 40,000 17.1531
CFD SHORT 450,000 17.2758
CFD SHORT 1,600 17.3431
CFD SHORT 290,000 17.3760
CFD SHORT 969 21.2029 EUR
CFD SHORT 29,100 16.6894
CFD LONG 85,000 16.4446
CFD SHORT 200,000 34.2866 USD

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

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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