Citigroup Global Mkt - EPT Disclosure Amendment

RNS Number:3069M
Citigroup Global Markets Limited
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)

Amendment: Section 2(a) Additional securities sold

1. KEY INFORMATION

Name of exempt principal trader Citigroup Global Markets Limited

Company dealt in Rio Tinto Limited

Class of relevant security to which the Ord/Equity
dealings being disclosed relate (Note 1)

Date of dealing 17 January 2008

2. DEALINGS (Note 2)

(a) Purchases and sales

Total number of securities purchased Highest price paid (Note 3) Lowest price paid (Note 3)

8,879 AUD 120.2760 AUD 120.0000

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

8,879 AUD 120.4289 AUD 120.0000

(b) Derivatives transactions (other than options)

Product name, Long/short (Note 4) Number of securities (Note 5) Price per unit (Note 3)

e.g. CFD

(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)

(ii) Exercising

Product name, e.g. call option Number of securities Exercise price per unit (Note 3)

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.

Date of disclosure 22 January 2008

Contact name Selina Campbell

Telephone number 02890 409538

Name of offeree/offeror with which connected BHP Billiton Plc

Nature of connection (Note 6) Financial 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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