Credit Suisse (Eur) - EPT Disclosure

RNS Number:0854S
Credit Suisse Securities (Eur) Ltd
10 April 2008

FORM 38.5 (a)

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 Credit Suisse Securities (Europe) Limited

Company dealt in BHP Billiton

Class of relevant security to which the dealings being Ordinary Shares
disclosed relate (Note 1)

Date of dealing 09-Apr-2008

2. DEALINGS (Note 2)

(a) Purchases and sales

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

6072714 18.04 (GBP) 17.05 (GBP)

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

3845061 18.04703 (GBP) 17.06 (GBP)

(b) Derivatives transactions (other than options)

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

CFD Long 450000 18.04 (GBP)
CFD Long 200000 18.04 (GBP)
CFD Long 170000 18.04 (GBP)
CFD Long 123070 18.04 (GBP)
CFD Long 70000 18.04 (GBP)
CFD Long 63789 18.04 (GBP)
CFD Long 45000 18.04 (GBP)
CFD Long 18856 18.04 (GBP)
CFD Long 5581 18.04 (GBP)
CFD Long 3099 18.04 (GBP)
CFD Short 2500000 18.04 (GBP)
CFD Short 700000 18.04 (GBP)
CFD Short 675000 18.04 (GBP)
CFD Short 110000 18.04 (GBP)
CFD Short 5037 18.04 (GBP)
CFD Short 1746 18.04 (GBP)
CFD Short 913 18.04 (GBP)
CFD Short 488 18.04 (GBP)

(c) Options transactions in respect of existing securities

(i) Writing, selling, purchasing or varying

Product Writing, selling, Number of securities to Exercise Type, e.g. American, Option money paid/
name,e.g. call purchasing, varying which the option relates price European etc.Expiry received per unit
option etc. (Note 5) date (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

Contact name Segal,Debra

Telephone number 44 20 7883 4577

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 http://www.thetakeoverpanel.org.uk/.

This information is provided by RNS
The company news service from the London Stock Exchange
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