Morgan Stanley Secs - EPT Disclosure - Amendment

RNS Number:0807S
Morgan Stanley Securities Limited
10 April 2008

AMENDMENT TO ANNOUNCEMENT 9988R RELEASED AT 14:39 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 07 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

2,939,364 16.8600 16.4800

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

3,551,884 16.8600 16.4800

(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 125 16.5016
CFD LONG 297 16.5016
CFD LONG 1,924 16.5071
CFD LONG 1,967 16.5122
CFD LONG 8,005 16.5122
CFD LONG 302,000 16.5436
CFD LONG 55,000 16.5751
CFD LONG 69,515 16.6092
CFD LONG 1,126 16.6129
CFD LONG 3,169 16.6449
CFD LONG 40,000 16.6633
CFD LONG 20,000 16.6826
CFD LONG 6,797 16.6907
CFD LONG 69,257 16.7063
CFD LONG 5,725 16.7063
CFD LONG 15,575 16.7167
CFD LONG 5,750 16.7167
CFD LONG 3,675 16.7167
CFD LONG 4,997 16.7668
CFD LONG 74,974 16.7668
CFD LONG 150,000 33.1405 USD
CFD SHORT 1,126 16.5121
CFD SHORT 20,000 16.5223
CFD SHORT 3,169 16.5373
CFD SHORT 11,752 16.5682
CFD SHORT 467,000 16.6404
CFD SHORT 30,400 16.6539
CFD SHORT 14,900 16.6539
CFD SHORT 38 16.6813
CFD SHORT 3,347 16.6813
CFD SHORT 415 16.6813
CFD SHORT 13,122 16.7728
CFD SHORT 7,877 16.7728
CFD SHORT 1,924 16.8019
CFD SHORT 45 16.8325
CFD SHORT 549 16.8325
CFD LONG 46,927 16.6889
CFD LONG 43,293 16.7221
CFD LONG 22,804 16.7221
CFD LONG 6,067 16.8500
CFD LONG 1,544 16.8500
CFD SHORT 187,413 16.8500
CFD SHORT 75 16.6813
CFD SHORT 550 16.6813
CFD SHORT 650 16.5347
CFD SHORT 713 16.6813
CFD SHORT 3,347 16.6813
CFD SHORT 7,000 16.5347
CFD SHORT 8,730 16.6813
CFD LONG 50,000 32.9513 USD
CFD LONG 139,048 16.8500
CFD SHORT 139,048 16.8500
CFD SHORT 467,000 16.6403
CFD SHORT 16,600 16.6828
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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