Morgan Stanley Secs. - EPT Disclosure

RNS Number:7919L
Morgan Stanley Securities Ld(EPT)
15 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 14 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

1,392,124 15.6000 14.9600

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

1,612,636 15.6100 14.9600

(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 SHORT 344,597 15.1300
CFD SHORT 171,931 15.4858
CFD SHORT 105,804 15.4858
CFD SHORT 49,483 15.5400
CFD LONG 135,000 15.0450
CFD LONG 19,800 15.0549
CFD LONG 62,800 15.0549
CFD LONG 17,400 15.0549
CFD LONG 8,700 15.0904
CFD LONG 31,400 15.0904
CFD LONG 9,900 15.0904
CFD LONG 116,000 15.1496
CFD LONG 84,000 15.1496
CFD LONG 335,000 15.2953
CFD LONG 18,500 15.3813
CFD LONG 17,000 15.4351
CFD LONG 86,636 15.4971
CFD LONG 320,000 15.5167
CFD LONG 42,000 15.5207
CFD LONG 58,000 15.5207
CFD LONG 758 15.5313
CFD LONG 273 15.5496
CFD LONG 2,223 15.5496
CFD SHORT 758 14.9626
CFD SHORT 4,000 15.0314
CFD SHORT 25,600 15.0392
CFD SHORT 44,524 15.0547
CFD SHORT 224,000 15.1387
CFD SHORT 34,153 15.2387
CFD SHORT 1,000 15.2861
CFD SHORT 300 15.2861
CFD SHORT 600 15.2861
CFD SHORT 9,433 15.3573
CFD SHORT 1,159 15.3573
CFD SHORT 1,753 15.4454
CFD SHORT 3,445 15.4454
CFD SHORT 150,000 15.5023
CFD SHORT 10,617 15.5023
CFD SHORT 21,600 15.6011

(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)

CALL OPTION SELLING 400,000 15.0000 AMERICAN 18/01/2008 0.3300

(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
END

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