Credit Suisse Sydney - EPT Disclosure

RNS Number:2735M
Credit Suisse Sydney Branch
22 January 2008

FORM 38.5 (b)
DEALINGS BY CONNECTED EXEMPT PRINCIPAL TRADERS
WITHOUT RECOGNISED INTERMEDIARY STATUS, OR WITH RI STATUS
BUT NOT DEALING IN A CLIENT-SERVING CAPACITY
(Rule 38.5(b) of the Takeover Code)

1. KEY INFORMATION
Name of exempt principal trader Credit Suisse Sydney branch
Company dealt in BHP Billiton Limited
Class of relevant security to which the dealings being Ordinary Shares
disclosed relate (Note 1)
Date of dealing 21-Jan-2007

2. INTERESTS, SHORT POSITIONS AND RIGHTS TO SUBSCRIBE
(a) Interests and short positions (following dealing) in the class of relevant security dealt in (Note 2)
Long Short
Number (%) Number (%)
(1) Relevant securities 1,419,138 0.042 10,927,825 0.325
(2) Derivatives (other than options)
(3) Options and agreements to purchase/sell 343,000 0.010 838,000 0.249
Total 1,762,138 0.0525 11,765,825 0.350

(b) Interests and short positions in relevant securities of the company, other than the class dealt in (Note 2)
Class Of Relevant Security Long Short
(1) Relevant Securities
(2) Derivatives (other than options)
(3) Options and agreements to purchase/sell
Total

(c) Rights to subscribe (Note 2)
Class of relevant security: Details

3. DEALINGS (Note 3)
(a) Purchases and sales
Purchase/sale Number of securities Price per unit (Note 4)
Purchase 1,364 33.29
Purchase 16,227 33.29
Purchase 10,000 33.29
Purchase 1,650 33.95
Purchase 4,000 33.95
Purchase 500 33.95
Purchase 3,850 33.95
Purchase 3,396 34.31
Purchase 100 34.31
Purchase 6,032 34.31
Purchase 472 34.31
Purchase 205 34.16
Purchase 1,286 34.16
Purchase 4,904 34.16
Purchase 3,605 34.15
Purchase 4,252 34.42
Purchase 51 34.41
Purchase 5,697 34.41
Purchase 3,429 34.56
Purchase 11 34.56
Purchase 700 34.56
Purchase 90 34.56
Purchase 340 34.56
Purchase 340 34.56
Purchase 340 34.56
Purchase 340 34.56
Purchase 363 34.56
Purchase 4,047 34.56
Purchase 15,000 33.60
Purchase 1,364 33.29
Sale -75 34.58
Sale -189 33.29
Sale -5,000 33.29
Sale -2,710 33.29
Sale -300 33.29
Sale -2,000 33.29
Sale -90 33.29
Sale -500 33.29
Sale -1,000 33.29
Sale -60 33.29
Sale -1,760 33.29
Sale -10,000 33.29
Sale -27 33.29
Sale -4,259 33.60
Sale -111 33.60
Sale -5,871 33.60
Sale -17,405 33.66
Sale -96 33.73
Sale -171 33.73
Sale -10,000 33.70
Sale -443 33.71
Sale -250 33.71
Sale -4,467 33.71
Sale -150 33.71
Sale -300 33.71
Sale -1,000 33.71
Sale -885 33.71
Sale -50 33.71
Sale -500 33.71
Sale -10,000 33.80
Sale -12,000 33.79
Sale -2,875 33.83
Sale -145 33.83
Sale -400 33.83
Sale -200 33.83
Sale -3,380 33.83
Sale -1,628 34.57
Sale -300 34.57
Sale -230 34.57
Sale -900 34.57
Sale -753 34.57
Sale -84 34.57
Sale -92 34.57
Sale -133 34.57
Sale -342 34.57
Sale -4,658 34.57
Sale -300 34.57
Sale -147 34.58
Sale -7 34.58
Sale -4,800 34.58
Sale -494 34.61
Sale -4,620 34.60
Sale -4,620 34.60
Sale -4,335 34.58
Sale -223 34.58
Sale -601 34.60
Sale -100 34.60
Sale -2,668 34.60
Sale -6,631 34.60
Sale -4,213 34.60
Sale -3,777 34.60
Sale -600 34.61
Sale -1,410 34.61
Sale -15,000 33.60
Sale -1,364 33.29
Total Buys:93955

Total Sells:163699
(b) Derivatives transactions (other than options)
Product name, e.g. CFD Long/short (Note 5) Number of securities (Note 6) Price per unit (Note 4)

(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. Expiry Option money paid/
name,e.g. call purchasing, varying which the option relates price American, date received per unit
option etc. (Note 6) European etc. (Note 4)

(ii) Exercising
Product name, e.g. call option Number of securities Exercise price per unit (Note 4)

(d) Other dealings (including new securities) (Note 3)
Nature of transaction (Note 7) Details Price per unit (if applicable) (Note 4)

4. OTHER INFORMATION
Agreements, arrangements or understandings relating to options or derivatives
NONE

Is a Supplemental Form 38.5(b) attached? (Note 8) NO

Date of disclosure 22-Jan-2008
Contact name Collins, Carolyn
Telephone number 44 20 7888 0241
Name of offeree/offeror with which connected Rio Tinto Plc
Nature of connection (Note 9) ADVISOR

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

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