UBS AG Switzerland - EPT Disclosure

RNS Number:5381S
UBS AG Switzerland
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 UBS AG Switzerland

Company dealt in BHP Billiton Ltd

Class of relevant security to which the BHP Billiton Ltd - Ordinary Share
dealings being disclosed relate (Note 1)

Date of dealing 16th 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 0 (cert and share)
0
BHP Billiton Ltd - Ordinary Share

(2) Derivatives (other than options)

(3) Options and agreements to purchase/sell

Total 0
0

(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 (Note 4)
BHP Billiton Ltd- Ordinary Share

BUY 500 25 EUR
BUY 1300 25.2 EUR
BUY 1000 25.27 EUR
BUY 1200 25.3 EUR
SELL 2400 25.3 EUR

BHP Billiton Ltd- Swiss Certificate

BUY 1000 39.7 CHF
BUY 500 39.75 CHF
BUY 1000 39.95 CHF
SELL 1000 40 CHF
SELL 500 40 CHF
SELL 485 40.15 CHF
SELL 1000 40.25 CHF
SELL 300 40.3 CHF
SELL 615 40.45 CHF
SELL 200 40.45 CHF

Total Buy: 6,500

Total Sell: 6,500

(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

(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 17th April 2008

Contact name Sophie Goodrich / Kilian Schaerli

Telephone number +41 44 239 6161

Name of offeree/offeror with which connected BHP Billiton Ltd and BHP Billiton Plc

Nature of connection (Note 9) Connected 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
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