23rd Apr 2008 15:58
UBS Securities LLC23 April 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 UBS Securities LLCCompany dealt in Rio Tinto PLC (ISIN US7672041008)Class of relevant security to which thedealings being disclosed relate (Note 1) Ordinary shares dealt in ADR form ADR (1 ADR = 4 Ords) Date of dealing 22 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 16808 Ords - 4556 Ords 0.00 (equivalent (equivalent to 4202 ADRs) to 1139 ADRs)(2) Derivatives (other than - - - -options)(3) Options and agreements to 0 Ords - 0 Ords -purchase/sell (equivalent (equivalent to 0 ADRs to 0 ADRs) Total 16808 Ords - 4556 0.00 (equivalent Ords to 4202 ADRs) (equivalent to 1139 ADRs) (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 thanoptions)(3) Options and agreements topurchase/sellTotal (c) Rights to subscribe (Note 2)Class of relevant security: Details 3. DEALINGS (Note 3) (a) Purchases and sales Buy/Sell Equivalent Trade Price (USD) Ord QuantityB 6032 505.571B 2400 506.44B 30188 506.03B 3200 506.123B 6968 504.866B 13668 503.906S 60 504.16S 5372 503.142S 6400 504.714S 20028 504.939S 3520 509.422S 5272 504.388S 400 501.435S 21404 506.302Total Buys 62456Total Sells 62456 (b) Derivatives transactions (other than options)Product name, e.g Long/short (Note 5) Number of securities Price per unitCFD (Note 6) (Note 4) (c) Options transactions in respect of existing securities (i) Writing, selling, purchasing or varying Product B/S For Ords Exercise Type Expiration Price (USD) (X4) Price (USD)CALL S 26000 510 Amer 5/17/2008 20.20 (ii) Exercising Product name, e.g. call Number of securities Exercise price per unitoption (Note 4) (d) Other dealings (including new securities) (Note 3) Nature of transaction Details Price per unit (if applicable)(Note 7) 4. OTHER INFORMATION Agreements, arrangements or understandings relating to options or derivatives Full details of any agreement, arrangement or understanding between the persondisclosing and any other person relating to the voting rights of any relevantsecurities under any option referred to on this form or relating to the votingrights or future acquisition or disposal of any relevant securities to which anyderivative referred to on this form is referenced. If none, this should bestated. .............................................................................. .............................................................................. Is a Supplemental Form 38.5(b) attached? (Note 8) NO Date of disclosure 23 APRIL 2008Contact name Richard MulcahyTelephone number 203 719 0467Name of offeree/offeror with which connected BHP BillitonNature of connection (Note 9) Connected Adviser Notes The Notes on Form 38.5(b) can be viewed on the Takeover Panel's website atwww.thetakeoverpanel.org.uk This information is provided by RNS The company news service from the London Stock ExchangeRelated Shares:
Rio Tinto