Morgan Stanley Secs. - EPT Disclosure

RNS Number:2702M
Morgan Stanley Securities Ld(EPT)
22 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 21 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

11,953,960 13.5402 12.2600

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

5,310,356 13.2700 12.2800

(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 9,922 12.3500
CFD LONG 78,335 12.3500
CFD LONG 24,365 12.3831
CFD LONG 77,850 12.3831
CFD LONG 28,870 12.9540
CFD LONG 39,543 12.9540
CFD SHORT 1,205 12.3831
CFD LONG 843 12.4149
CFD LONG 6,861 12.4149
CFD LONG 2,000 12.6324
CFD LONG 992 12.7385
CFD LONG 23,944 12.7779
CFD LONG 50,000 12.8747
CFD LONG 108,857 12.9044
CFD LONG 828 13.0790
CFD SHORT 300,000 12.2984
CFD SHORT 145,946 12.3515
CFD SHORT 21,454 12.3515
CFD SHORT 160,862 12.4365
CFD SHORT 210,000 12.4869
CFD SHORT 210,000 12.4869
CFD SHORT 5,000 12.5062
CFD SHORT 44,000 12.5412
CFD SHORT 300,000 12.6990
CFD SHORT 23,712 12.7442
CFD SHORT 2,913 12.7442
CFD SHORT 25,000 12.7823
CFD SHORT 7,600 12.7823
CFD SHORT 15,100 12.7823
CFD SHORT 30,000 12.8082
CFD SHORT 25,000 12.8101
CFD SHORT 80,000 12.8870
CFD SHORT 150,000 12.9880
CFD SHORT 300,000 13.0152
CFD SHORT 3,000 13.0239
CFD SHORT 125,000 13.0260
CFD SHORT 1,061 13.0315
CFD SHORT 45,000 13.0820
CFD SHORT 1,980 13.1626
CFD SHORT 1,740 13.1626
CFD SHORT 6,280 13.1626
CFD SHORT 828 13.2023
CFD SHORT 252 13.2065
CFD SHORT 150,000 13.5403

(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 1,500,000 1300.0000 AMERICAN 20/03/2008 1.1500
PUT OPTION SELLING 1,500,000 1300.0000 AMERICAN 20/03/2008 1.2000
PUT OPTION PURCHASING 390,000 1100.0000 AMERICAN 20/03/2008 0.4300
PUT OPTION PURCHASING 260,000 1100.0000 AMERICAN 20/03/2008 0.4350
CALL OPTION SELLING 260,000 1450.0000 AMERICAN 20/03/2008 0.5550
CALL OPTION SELLING 390,000 1450.0000 AMERICAN 20/03/2008 0.5600

(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 22 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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