Annual Report and Accounts, AGM Circular and Forms of Proxy have today been posted to shareholders 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 : GB00BYSRJ698 ("Lonmin") LEI: 213800FGJZ2WAC6Y2L94 9 February 2018 Lonmin Plc (“Lonmin” or the “Company”) Annual Report and 2018 Annual General Meeting Following the Company’s announcement on 29 January 2018 in relation to the Annual Report and Accounts for the year ended 30 September 2017 (“2017 Annual Report and Accounts”), Lonmin has submitted to the National Storage Mechanism copies of the following documents: - Circular relating to the Annual General Meeting (“AGM Circular”) to be held on 15 March 2018; and - Forms of Proxy for shareholders on the UK and SA registers. These documents will shortly be available for inspection on the National Storage Mechanism www.morningstar.co.uk/uk/nsm. The Company also confirms that the 2017 Annual Report and Accounts, AGM Circular and Forms of Proxy have today been posted to shareholders and, as required by DTR 6.3.5 R (3), the 2017 Annual Report and Accounts and the AGM Circular are available to view or download in pdf format from the Lonmin website, www.lonmin.com. Sponsor: J.P. Morgan Equities South Africa (Pty) Ltd Date: 09/02/2018 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.