UBS AG (EPT) - EPT Disclosure-Amendment

RNS Number:3304M
UBS AG (EPT)
22 January 2008

This announcement replaces the previous RNS amendment reference 4137L and 4107L
released at 12:02 and 12:11 on 9th January 2008. Amendment made to the purchase
and sale figure in 2 (a) due to late trades. All other information remains
unchanged.

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 UBS AG London Branch

Company dealt in Rio Tinto PLC

Class of relevant security to which the Ordinary 10p
dealings being disclosed relate (Note 1)

Date of dealing 08 JANUARY 2008

2. DEALINGS (Note 2)

(a) Purchases and sales

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

492,439 5202 pence 5085 pence

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

453,913 5200 pence 5088.985 pence

(b) Derivatives transactions (other than options)

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

CFD SHORT 1,500 51.04 GBP
CFD SHORT 100,000 51.14518
CFD LONG 10,000 51.273276
CFD SHORT 50,000 51.2912
CFD SHORT 150,000 51.4283
CFD LONG 50,000 51.4777
CFD LONG 263 51.934

(c) Options transactions in respect of existing securities

(i) Writing, selling, purchasing or varying

Product Writing, Number of Exercise Type, e.g. Expiry date Option
name,e.g selling, securities price American, moneypaid/received
call purchasing, to which the European etc. per unit (Note 3)
option varying etc option
relates
(Note 5)

CALL SELLING 1,000 5200 pence AMERICAN 29/02/2008 316.5 pence
CALL SELLING 1,000 5400 pence AMERICAN 29/02/2008 238 pence
CALL PURCHASING 1,000 5200 pence AMERICAN 29/02/2008 316.5 pence
CALL PURCHASING 1,000 5400 pence AMERICAN 29/02/2008 238 pence
PUT SELLING 1,000 4800 pence AMERICAN 31/01/2008 65 pence
PUT SELLING 45,000 4800 pence AMERICAN 29/02/2008 183.5 pence

(ii) Exercising

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

..............................................................................

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Date of disclosure 09 JANUARY 2008
Contact name NIMISHA SACHDEV
Telephone number 020 7568 9289
Name of offeree/offeror with which BHP Billiton PLC
connected
BHP Billiton LTD
Nature of connection (Note 6) CONNECTED ADVISER

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
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