OPT - Optimum - Update regarding the Consortium`s Expression of Interest to acquire the entire Issued Share Capital of Optimum and reminder of Cautionary Announcement Optimum Coal Holdings Limited (Registration number: 2006/007799/06) JSE share code: OPT ISIN: ZAE000144663 ("Optimum") UPDATE REGARDING THE CONSORTIUM`S EXPRESSION OF INTEREST TO ACQUIRE THE ENTIRE ISSUED SHARE CAPITAL OF OPTIMUM AND REMINDER OF CAUTIONARY ANNOUNCEMENT Shareholders of Optimum ("Shareholders") are referred to the announcements released on SENS by Optimum on 17 August 2011, 26 August 2011, 1 September 2011, 9 September 2011, 13 October 2011, 16 November 2011 and 19 March 2012 in respect of the transactions entered into by a consortium comprising of Piruto B.V, a wholly-owned subsidiary of Glencore International AG, and Lexshell 849 Investments (Proprietary) Limited, a company wholly-owned by Mr Cyril Ramaphosa ("the Consortium"), to acquire control of Optimum. Shareholders are further referred to the announcement released by the Consortium on 27 March 2012. The board of Optimum ("the Board") confirms that it has received a letter from the Consortium indicating its firm intention to make a mandatory offer to acquire all of the shares in Optimum that it does not already own or control for an offer consideration of R38 per Optimum share ("the Offer"). The Independent Committee of the Board is currently considering the Offer and will communicate its views to Shareholders in due course. Shareholders are reminded to continue to exercise caution when dealing in Optimum shares until a further announcement is made. www.optimumcoal.com 27 March 2012 Johannesburg Sponsor RAND MERCHANT BANK (A division of FirstRand Bank Limited) Financial Communications Advisers COLLEGE HILL Date: 27/03/2012 16:37:02 Supplied by www.sharenet.co.za Produced by the JSE SENS Department. The SENS service is an information dissemination service administered by the JSE Limited (`JSE`). The JSE does not, whether expressly, tacitly or implicitly, represent, warrant or in any way guarantee the truth, accuracy or completeness of the information published on SENS. The JSE, their officers, employees and agents accept no liability for (or in respect of) any direct, indirect, incidental or consequential loss or damage of any kind or nature, howsoever arising, from the use of SENS or the use of, or reliance on, information disseminated through SENS.