Societe Gen.Lon(EPT) - EPT Disclosure

RNS Number:5558S
Societe Generale London Branch(EPT)
17 April 2008

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

Societe Generale London Branch
Company dealt in

BHP Billiton plc
Class of relevant security to which the
dealings being disclosed relate (Note 1)
0.5 USD Ordinary
Date of dealing

16 April 2008

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

-576,081
-0.026
(2) Derivatives (other than options)

-606,739
-0.027
(3) Options and agreements to purchase/sell

Total

-576,081 -606,739
-0.026 -0.027

(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

Number Number
(%) (%)

(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
Purchase 151 17.89
Purchase 31 17.93
Purchase 31 17.94
Purchase 31 17.95
Purchase 69 17.98
Purchase 126 17.99
Purchase 2241 18.00
Purchase 126 18.06
Purchase 126 18.09
Purchase 126 18.15
Purchase 126 18.22
Purchase 42 18.31
Purchase 43715 18.37
Purchase 309 18.40
Purchase 148 18.46
Purchase 142 18.51
Purchase 154 18.58
Purchase 16 18.65
Total Purchase 47710
Sale 69 17.98
Sale 2201 18.00
Sale 1400 18.26
Sale 1857 18.30
Sale 40469 18.31
Sale 147 18.32
Sale 824 18.34
Sale 1437 18.35
Sale 1334 18.36
Sale 1014 18.37
Sale 1043 18.38
Sale 1511 18.39
Sale 647 18.40
Sale 1399 18.41
Sale 926 18.42
Sale 1280 18.43
Sale 511 18.44
Sale 834 18.45
Sale 148 18.46
Sale 1395 18.46
Sale 893 18.47
Sale 892 18.48
Sale 411 18.49
Sale 812 18.51
Sale 1299 18.52
Sale 1585 18.53
Sale 469 18.54
Sale 561 18.57
Sale 152 18.60
Sale 159 18.61
Sale 31 18.62
Total Sale 67710

(b) Derivatives transactions (other than options)

Product name, Long/short (Note 5) Number of securities (Note 6) Price per unit (Note 4)

e.g. CFD

CFD short 20,000 18.31

(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 6) price European etc. date paid/received per
unit (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

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.

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

Date of disclosure

17 April 2008
Contact name

Patrick Overmeer
Telephone number

020 7676 6885
Name of offeree/offeror with which connected

Rio Tinto plc
Nature of connection (Note 9)

Advisor

Notes

The Notes on Form 38.5(b) 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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