Morgan Stanley Secs. - EPT Disclosure

RNS Number:8006L
Morgan Stanley Securities Ld(EPT)
15 January 2008

AMENDMENT TO ANNOUNCEMENT 5853L RELEASED AT 10:35 ON 11 JANUARY 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 10 January 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

1,223,923 15.3800 14.9300

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

1,766,698 15.3900 14.9500

(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 10,071 15.1300
CFD LONG 10,975 15.1300
CFD SHORT 50,910 15.1300
CFD SHORT 65,371 15.2790
CFD LONG 760 15.1168
CFD LONG 6,186 15.1168
CFD LONG 4,962 15.1238
CFD LONG 30,764 15.1238
CFD LONG 146,623 15.1238
CFD LONG 41,402 15.1328
CFD LONG 23,057 15.1328
CFD LONG 6,228 15.1328
CFD LONG 31,400 15.1621
CFD LONG 8,700 15.1621
CFD LONG 9,900 15.1621
CFD LONG 120,000 15.2086
CFD LONG 9,110 15.2589
CFD LONG 335,000 15.2872
CFD LONG 20,000 15.2924
CFD LONG 33,120 15.2940
CFD LONG 928 29.9137
CFD LONG 2,540 29.9137
CFD LONG 2,645 29.9137
CFD LONG 1,599 29.9137
CFD LONG 4,053 29.9137
CFD LONG 11,140 29.9137
CFD LONG 24,316 29.9137
CFD LONG 967 29.9137
CFD LONG 1,812 29.9137
CFD LONG 1,808 29.9137
CFD LONG 982 29.9137
CFD LONG 24,323 29.9137
CFD LONG 11,130 29.9137
CFD LONG 4,049 29.9137
CFD LONG 1,598 29.9137
CFD LONG 2,646 29.9137
CFD LONG 927 29.9137
CFD LONG 2,537 29.9137
CFD SHORT 20,900 15.0244
CFD SHORT 100,000 15.0602
CFD SHORT 19,300 15.0761
CFD SHORT 21 15.1623
CFD SHORT 168 15.1623
CFD SHORT 140,425 15.1868
CFD SHORT 12,908 15.2631

(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)

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 15 January 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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