Lonmin Plc – Directorate Change Lonmin Plc (Incorporated in England and Wales) (Registered in the Republic of South Africa under registration number 1969/000015/10) JSE code: LON Issuer Code: LOLMI & ISIN : GB0031192486 ("Lonmin") REGULATORY RELEASE 28 December 2012 Lonmin Plc – Directorate Change Lonmin Plc announces that Ian Farmer, who is being treated for a serious illness, has informed the Board of his request to step down as Chief Executive Officer (CEO) and as a Director of Lonmin with immediate effect. With great regret the Board has agreed. Roger Phillimore, Chairman of Lonmin, said "We will greatly miss Ian's ability, commitment and drive which he has devoted to the Company over a career spanning more than 26 years. He has been CEO for the last four years and the consistent improvement in Lonmin's operating performance over that period owes much to his leadership. We wish him well with his ongoing treatment and will stay in close touch with him as a valued colleague and friend." The Board has appointed an executive search agent to pursue the selection and engagement of Ian's successor as CEO. In the meantime, Simon Scott will continue in his role as Acting CEO with the full support of the Lonmin Board. Simon has requested that he should not be considered as a candidate for the role of CEO. Following the appointment of a new CEO, Simon will dedicate his time fully to his role as Chief Financial Officer. - ENDS - ENQUIRIES Investors / Analysts: Lonmin Tanya Chikanza (Head of Investor Relations) +44 20 7201 6007 +44 7825 877394 Media: Cardew Group Anthony Cardew +44 20 7930 0777 +44 1189 732200 James Clark +44 7885 776664 Sue Vey +27 72 644 9777 Notes to editors Lonmin, which is listed on both the London Stock Exchange and the Johannesburg Stock Exchange, is one of the world's largest primary producers of PGMs. These metals are essential for many industrial applications, especially catalytic converters for internal combustion engine emissions, as well as their widespread use in jewellery. Lonmin's operations are situated in the Bushveld Complex in South Africa, where nearly 80% of known global PGM resources are found. The Company creates value for shareholders through mining, refining and marketing PGMs and has a vertically integrated operational structure - from mine to market. Lonmin's mining operations extract ore from which the Process Division produces refined PGMs for delivery to customers. Underpinning the operations is the Shared Services function which provides high quality levels of support and infrastructure across the operations. For further information please visit our website: http://www.lonmin.com Sponsor: J.P. Morgan Equities South Africa Proprietary Limited Date: 28/12/2012 09:00:00 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.