8th May 2008 14:25
Citigroup Derivatives Markets Inc08 May 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 Citigroup Derivatives Markets IncCompany dealt in Rio Tinto plcClass of relevant security to which the Ordinary Shares (dealt in the form of ADRs)dealings being disclosed relate (Note 1) Date of dealing 07 May 2008 2. INTERESTS, SHORT POSITIONS AND RIGHTS TO SUBSCRIBE (a) Interests and short positions (following dealing) in the class ofrelevant security dealt in (Note 2) Long Short Number Number (%) (%) (1) Relevant securities 12,866 19,700 (0.00%) (0.00%) (2) Derivatives (other than options) (0.00%) (0.00%) (3) Options and agreements to purchase/sell 112,000 103,100 (0.01%) (0.01%) Total 124,866 122,800 (0.01%) (0.01%) (b) Interests and short positions in relevant securities of thecompany, other than the class dealt in (Note 2) Class of relevant security: Long Short Convertible Number Number (%) (%) (1) Relevant securities (0.00%) (0.00%) (2) Derivatives (other than options) (0.00%) (0.00%) (3) Options and agreements to purchase/sell (0.00%) (0.00%) Total (0.00%) (0.00%) (c) Rights to subscribe (Note 2) Class of relevant security: Details 3. DEALINGS (Note 3) (a) Purchases and sales Purchase Number of securities Price per unit (Note 4) USD (unless stated) 600 496.03 100 495.89 100 495.9 100 496.05 100 488.8 100 496.85 100 496.85Total 1,200 Sales Number of securities Price per unit (Note 4) USD (unless stated) Total (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, Number of Exercise Type, e.g. Expiry Option money selling, securities to American,e.g. call option purchasing, which the option Price (USD) European etc. date paid/received varying etc. relates (Note 6) per unit (USD)(C = call; (Note 4) P = put) P Selling -100 450 AMERICAN 2008-05-17 2.04 C Selling -100 500 AMERICAN 2008-05-17 13 C Selling -100 510 AMERICAN 2008-05-17 8.8 C Selling -100 500 AMERICAN 2008-05-17 13 P Selling -200 500 AMERICAN 2008-05-17 16.3 C Selling -200 500 AMERICAN 2008-05-17 14.6 C Selling -300 500 AMERICAN 2008-05-17 14 P Selling -400 450 AMERICAN 2008-05-17 2.14 P Selling -500 450 AMERICAN 2008-05-17 2.06 P Selling -500 450 AMERICAN 2008-05-17 2.05 P Selling -500 450 AMERICAN 2008-05-17 2.03 C Selling -500 490 AMERICAN 2008-05-17 18.7 C Selling -500 500 AMERICAN 2008-05-17 13 (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 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. None Is a Supplemental Form 38.5(b) attached? (Note 8) YES Date of disclosure 08 May 2008 Contact name Ciaran Lavery Telephone number 02890 409539 Name of offeree/offeror with which connected BHP Billiton plcNature of connection (Note 9) Corporate Broker/Financial Advisor Notes The Notes on Form 38.5(b) can be viewed on the Takeover Panel's website atwww.thetakeoverpanel.org.uk SUPPLEMENTAL FORM 38.5(b) DETAILS OF OPEN POSITIONS (This form should be attached to Form 38.5(b)) OPEN POSITIONS (Note 1) Product name, Written or Number of Exercise price Type, e.g. Expiry date purchased securities to which (Note 2) American, Europeane.g. call option the option or etc. derivative relates C Purchased 14900 470 American 2008-07-19 P Purchased 7800 300 American 2008-07-19 C Purchased 6000 580 American 2008-07-19 C Purchased 5300 590 American 2008-07-19 C Purchased 5100 600 American 2008-07-19 C Purchased 4000 570 American 2008-07-19 P Purchased 3600 520 American 2008-07-19 C Purchased 3100 560 American 2008-07-19 C Purchased 3000 550 American 2008-07-19 C Purchased 2900 510 American 2008-05-17 C Purchased 2600 450 American 2008-07-19 P Purchased 2500 400 American 2008-07-19 P Purchased 2000 370 American 2008-05-17 P Purchased 2000 380 American 2008-05-17 C Purchased 2000 440 American 2008-07-19 C Purchased 2000 580 American 2008-07-19 C Purchased 2000 420 American 2008-10-18 C Purchased 2000 500 American 2008-10-18 C Purchased 1800 440 American 2008-10-18 P Purchased 1500 470 American 2008-05-17 C Purchased 1400 470 American 2008-05-17 C Purchased 1400 360 American 2008-07-19 P Purchased 1400 500 American 2008-07-19 P Purchased 1300 370 American 2008-05-17 P Purchased 1200 440 American 2008-10-18 P Purchased 1100 490 American 2008-07-19 C Purchased 1100 540 American 2008-07-19 C Purchased 1000 470 American 2008-06-21 P Purchased 1000 250 American 2008-07-19 P Purchased 1000 260 American 2008-07-19 P Purchased 1000 290 American 2008-07-19 P Purchased 1000 310 American 2008-07-19 P Purchased 1000 390 American 2008-07-19 P Purchased 1000 370 American 2008-10-18 C Purchased 1000 420 American 2008-10-18 P Purchased 1000 420 American 2008-10-18 C Purchased 1000 430 American 2008-10-18 C Purchased 1000 450 American 2008-10-18 C Purchased 1000 470 American 2008-10-18 C Purchased 1000 500 American 2008-10-18 P Purchased 900 380 American 2008-05-17 C Purchased 900 330 American 2008-07-19 P Purchased 800 400 American 2008-05-17 C Purchased 800 460 American 2008-10-18 P Purchased 700 300 American 2008-07-19 P Purchased 600 480 American 2008-05-17 C Purchased 500 430 American 2008-05-17 C Purchased 500 480 American 2008-05-17 P Purchased 500 450 American 2008-07-19 C Purchased 500 470 American 2008-07-19 C Purchased 500 550 American 2008-07-19 C Purchased 400 420 American 2008-05-17 P Purchased 400 490 American 2008-05-17 C Purchased 400 250 American 2008-07-19 P Purchased 400 330 American 2008-07-19 C Purchased 400 370 American 2008-07-19 P Purchased 300 450 American 2008-05-17 C Purchased 300 520 American 2008-05-17 C Purchased 300 300 American 2008-07-19 C Purchased 300 330 American 2008-07-19 C Purchased 300 410 American 2008-07-19 C Purchased 300 480 American 2008-07-19 C Purchased 200 440 American 2008-05-17 C Purchased 200 460 American 2008-05-17 P Purchased 200 460 American 2008-05-17 C Purchased 200 470 American 2008-05-17 C Purchased 200 480 American 2008-05-17 P Purchased 200 500 American 2008-05-17 P Purchased 200 510 American 2008-05-17 C Purchased 200 320 American 2008-07-19 P Purchased 200 330 American 2008-07-19 P Purchased 200 390 American 2008-07-19 P Purchased 100 420 American 2008-05-17 C Purchased 100 250 American 2008-07-19 P Purchased 100 250 American 2008-07-19 P Purchased 100 280 American 2008-07-19 P Purchased 100 320 American 2008-07-19 C Purchased 100 390 American 2008-07-19 C Purchased 100 500 American 2008-07-19 C Purchased 100 520 American 2008-07-19 P Purchased 100 570 American 2008-07-19 P Purchased 100 580 American 2008-07-19 C Written -100 410 American 2008-05-17 P Written -100 430 American 2008-05-17 C Written -100 500 American 2008-05-17 C Written -100 510 American 2008-05-17 P Written -100 450 American 2008-06-21 P Written -100 460 American 2008-06-21 C Written -100 520 American 2008-06-21 C Written -100 320 American 2008-07-19 C Written -100 350 American 2008-07-19 C Written -100 360 American 2008-07-19 C Written -100 430 American 2008-07-19 C Written -100 440 American 2008-07-19 P Written -100 460 American 2008-07-19 C Written -100 530 American 2008-07-19 P Written -100 400 American 2008-10-18 P Written -100 430 American 2008-10-18 C Written -200 400 American 2008-05-17 P Written -200 410 American 2008-05-17 P Written -200 440 American 2008-05-17 C Written -200 450 American 2008-05-17 P Written -200 500 American 2008-05-17 P Written -200 310 American 2008-07-19 C Written -200 420 American 2008-07-19 C Written -200 460 American 2008-07-19 C Written -300 480 American 2008-06-21 C Written -300 480 American 2008-06-21 C Written -300 420 American 2008-07-19 P Written -400 430 American 2008-05-17 C Written -400 470 American 2008-06-21 P Written -400 410 American 2008-07-19 C Written -500 400 American 2008-05-17 P Written -500 490 American 2008-07-19 C Written -600 440 American 2008-05-17 C Written -600 490 American 2008-05-17 P Written -600 380 American 2008-07-19 C Written -600 400 American 2008-07-19 P Written -600 420 American 2008-07-19 C Written -600 450 American 2008-07-19 C Written -600 440 American 2008-10-18 C Written -900 370 American 2008-07-19 P Written -900 470 American 2008-07-19 P Written -900 510 American 2008-07-19 P Written -900 600 American 2008-07-19 C Written -1000 460 American 2008-06-21 P Written -1000 270 American 2008-07-19 P Written -1000 340 American 2008-07-19 P Written -1000 350 American 2008-07-19 P Written -1000 350 American 2008-07-19 C Written -1000 380 American 2008-07-19 P Written -1000 430 American 2008-07-19 P Written -1000 440 American 2008-07-19 P Written -1000 470 American 2008-07-19 C Written -1000 490 American 2008-07-19 P Written -1000 550 American 2008-07-19 C Written -1000 590 American 2008-07-19 P Written -1000 370 American 2008-10-18 P Written -1000 380 American 2008-10-18 P Written -1000 390 American 2008-10-18 P Written -1000 460 American 2008-10-18 P Written -1000 480 American 2008-10-18 P Written -1100 440 American 2008-05-17 P Written -1100 340 American 2008-07-19 C Written -1100 430 American 2008-07-19 P Written -1100 540 American 2008-07-19 P Written -1100 450 American 2008-10-18 P Written -1200 360 American 2008-07-19 P Written -1200 410 American 2008-07-19 P Written -1200 590 American 2008-07-19 P Written -1300 410 American 2008-05-17 C Written -1300 510 American 2008-07-19 P Written -1400 360 American 2008-07-19 C Written -1500 500 American 2008-07-19 P Written -1600 400 American 2008-05-17 C Written -1600 400 American 2008-07-19 C Written -1700 490 American 2008-05-17 C Written -1900 600 American 2008-07-19 P Written -2000 320 American 2008-07-19 P Written -2000 440 American 2008-07-19 P Written -2000 450 American 2008-07-19 C Written -2200 520 American 2008-05-17 C Written -2600 500 American 2008-05-17 P Written -2600 430 American 2008-07-19 C Written -3000 480 American 2008-07-19 P Written -3100 450 American 2008-05-17 C Written -3100 300 American 2008-07-19 C Written -3100 560 American 2008-07-19 C Written -3800 410 American 2008-07-19 P Written -4100 460 American 2008-07-19 C Written -17000 460 American 2008-07-19 Notes 1. Where there are open option positions or open derivative positions (exceptfor CFDs), full details should be given. Full details of any existingagreements to purchase or to sell should also be given on this form. 2. For all prices and other monetary amounts, the currency must be stated. For details of the Code's dealing disclosure requirements, see Rules 8 and 38.5and their Notes which 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