Notification of major interest in shares 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") 21 December 2015 TR-1: NOTIFICATION OF MAJOR INTEREST IN SHARES (i) 1. Identity of the issuer or the underlying issuer of existing shares to which voting rights are Lonmin PLC attached: ii 2 Reason for the notification (please tick the appropriate box or boxes): An acquisition or disposal of voting rights X An acquisition or disposal of qualifying financial instruments which may result in the acquisition of shares already issued to which voting rights are attached An acquisition or disposal of instruments with similar economic effect to qualifying financial instruments An event changing the breakdown of voting rights Other (please specify): Standard Life Investments (Holdings) Limited 3. Full name of person(s) subject to the (Parent Company) - notification obligation: iii 5,241% 4. Full name of shareholder(s) Vidacos Nominees\HSBC (if different from 3.):iv 5. Date of the transaction and date on which the threshold is crossed or 15/12/2015 reached: v 6. Date on which issuer notified: 18/12/2015 Standard Life Investments (Holdings) Limited 7. Threshold(s) that is/are crossed or – 5% reached: vi, vii Standard Life Investments Limited – 5% 8. Notified details: A: Voting rights attached to shares viii, ix Class/type of Situation previous Resulting situation after the triggering transaction shares to the triggering transaction if possible using the ISIN CODE Number Number Number Number of voting % of voting x of of of shares rights rights Shares Voting Dire xii Dire Rights Direct xi Indirect Indirect ct ct GB0031192486 1,254,596,568 1,254,596,568 0.000 1,477,991,715 5.241 B: Qualifying Financial Instruments Resulting situation after the triggering transaction Type of financial Expiration Exercise/ Number of voting % of voting xiii xiv instrument date Conversion Period rights that may be rights acquired if the instrument is exercised/ converted. C: Financial Instruments with similar economic effect to Qualifying Financial Instruments xv, xvi Resulting situation after the triggering transaction xix, Type of financial Exercise Expiration Exercise/ Number of voting rights % of voting rights xvii xx instrument price date Conversion instrument refers to xviii period Nominal Delta Total (A+B+C) Number of voting rights Percentage of voting rights 1,477,991,715 5.241 9. Chain of controlled undertakings through which the voting rights and/or the financial instruments are effectively held, if applicable: xxi Standard Life Investments (Holdings) Limited (Parent Company) – 5.241% comprised of: Standard Life Investments Limited – 5.239% Ignis Investment Services Limited – 0.002% Proxy Voting: 10. Name of the proxy holder: 11. Number of voting rights proxy holder will cease to hold: 12. Date on which proxy holder will cease to hold voting rights: 13. Additional information: 14. Contact name: John Morrison, Lonmin Plc 15. Contact telephone number: +44 20 7201 6044 Sponsor: J.P. Morgan Equities South Africa (Pty) Ltd END Date: 21/12/2015 01:30:00 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.