Notice of Change of Interests - A Calderon BHP Billiton Limited Company Secretariat 19 December 2012 To: Australian Securities Exchange cc: New York Stock Exchange London Stock Exchange JSE Limited Notification of Change of Interests of Persons Discharging Managerial Responsibility (Listing Rules & Disclosure and Transparency Rules of the UK Listing Authority) Name of entities BHP Billiton Limited BHP Billiton Plc ABN 49 004 028 077 REG NO 3196209 As part of a dual listed company structure, the Group voluntarily notifies all stock exchanges on which either BHP Billiton Limited or BHP Billiton Plc have primary or secondary listings, all those interests of directors and persons discharging managerial responsibilities of both entities in the securities of both entities (and changes to those interests) which are required to be disclosed under the Listing Rules and Disclosure and Transparency Rules of the United Kingdom Listing Authority and the Group’s Securities Dealing document. We (the entities) advise the following information under the UK Listing Authority Disclosure and Transparency Rule 3.1.4 and as agent for the person discharging managerial responsibilities in accordance with the Group’s Securities Dealing document. Name of person Mr A Calderon discharging managerial responsibilities Date of last notice 6 December 2012 Date issuer informed of 18 December 2012 transaction Date and place of 18 December 2012 (London) transaction Nature of transaction The acquisition of 16,298 ordinary shares in BHP Billiton Plc following the exercise of Deferred Shares under the 2010 Group Incentive Scheme. Part 1 – Change of relevant interests in securities Included in this Part are: • in the case of a trust, interests in the trust made available by the responsible entity of the trust; • details of the circumstance giving rise to the relevant interest; • details and estimated valuation if the consideration is non-cash; and • changes in the relevant interest of Connected Persons of the director. Direct or indirect interest Direct Nature of indirect interest Mr Calderon has an indirect interest in 361 ordinary shares (including registered holder) in BHP Billiton Plc held by Computershare Nominees on behalf of Shareplus participants as Acquired Shares under the scheme. Shareplus is an all employee share purchase plan of the BHP Billiton Group. Date of change 18 December 2012 No. of securities held prior to 285,818 (Direct) change 361 (Indirect) Class Ordinary Shares in BHP Billiton Plc Number acquired 16,298 Number disposed — Value/Consideration Exercise of 16,298 at nil cost No. of securities held after 302,116 (Direct) change 361 (Indirect) Nature of change The acquisition of 16,298 ordinary shares in BHP Billiton Example: on-market trade, off-market Plc following the exercise of Deferred Shares under the trade, exercise of options, issue of 2010 Group Incentive Scheme. securities under dividend reinvestment plan, participation in buy-back Any additional information — Included in this Part are: • only details of a contract in relation to which the interest has changed; and • details and estimated valuation if the consideration is non-cash. Detail of contract — Nature of interest — Name of registered holder — (if issued securities) No. and class of securities to which — interest related prior to change Interest acquired — Interest disposed — Value/Consideration — Interest after change — Part 3 – Change of interests in options or other rights granted by the entities Included in this Part are only details of options or other rights granted which have changed, save for the total number of securities over which options or other rights are held following this notification. Date of grant — Period during which or date on which — exercisable Total amount paid (if any) for the grant — Description of securities involved: — class; number Exercise price (if fixed at time of grant) or — indication that price is to be fixed at time of exercise Total number of securities over which 751,836 – maximum number of Performance options or other rights held at the date of Shares (ordinary shares of BHP this notice Billiton Plc) under the LTIP 58,126 – maximum number of Deferred Shares (ordinary shares of BHP Billiton Plc) under the GIS 361 – maximum number of matched shares (ordinary shares of BHP Billiton Plc) under Shareplus _________ 810,323 – Total Any additional information This notification is in respect of an exercise of vested 2010 Deferred Shares (16,298) under the BHP Billiton Plc Group Incentive Scheme. Part 4 – Contact details Name of authorised officers responsible Nicola Evans – BHP Billiton Limited for making this notification on behalf of the entities Geof Stapledon – BHP Billiton Plc Contact details Nicola Evans Tel: +61 3 9609 4326 Fax: +61 3 9609 4372 Geof Stapledon Tel: +44 20 7802 4176 Fax: +44 20 7802 3054 BHP Billiton Limited ABN 49 004 028 077 BHP Billiton Plc Registration number 3196209 Registered in Australia Registered in England and Wales Registered Office:180 Lonsdale Street, Melbourne Victoria 3000 Australia Registered Office: Neathouse Place, London SW1V 1BH UK Members of the BHP Billiton Group which is headquartered in Australia Sponsor: Absa Capital (the investment banking division of Absa Bank Limited, affiliated with Barclays) Date: 19/12/2012 07:05:00 Produced by the JSE SENS Department. The SENS service is an information dissemination service administered by the JSE Limited ('JSE'). 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