TR1 - Notification of Major Interest In Shares(i) 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") 7 May 2013 TR1 - Notification of Major Interest In Shares(i) 1. Identity of the issuer or the underlying issuer of existing shares to which voting Lonmin plc : rights are 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): 3. Full name of person(s) subject to the Glencore Xstrata plc notification obligation: (iii) 4. Full name of shareholder(s) (if different from 3.): (iv) 5. Date of the transaction and date on which the threshold is crossed or reached: 2 May 2013 (v) 6. Date on which issuer notified: 3 May 2013 7. Threshold(s) that is/are crossed or Holding is above 24% reached: (vi)(vii) 8. Notified details: A: Voting rights attached to shares (viii)(ix) Class/type of Situation previous to the Resulting situation after the triggering transaction shares triggering transaction if possible using the ISIN CODE Number of Number of Number of Number of voting % of voting rights (x) Shares Voting shares rights Rights Direct Indirect Indirect (xii) Direct Indirect (xi) Lonmin ordinary shares 139,513,430 139,513,430 139,513,430 N/A 139,513,430 N/A 24.54 GB0031192486 B: Qualifying Financial Instruments Resulting situation after the triggering transaction Type of financial Expiration Exercise/ Conversion Number of voting % of voting rights instrument date (xiii) Period (xiv) rights that may be 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 Type of financial Exercise Expiration Exercise/ Number of voting rights % of voting rights instrument price date (xvii) Conversion instrument refers to (xix)(xx) period (xviii) Nominal Delta Total (A+B+C) Number of voting rights Percentage of voting rights 139,513,430 24.54 9. Chain of controlled undertakings through which the voting rights and/or the financial instruments are effectively held, if applicable: (xxi) Xstrata Zinc BV is the direct holder of 139,513,430 shares in Lonmin plc. Xstrata Zinc BV – Xstrata (Scheweiz) AG – Xstrata plc – Finges Investment BV – Glencore Xstrata plc Proxy Voting: 10. Name of the proxy holder: N/A 11. Number of voting rights proxy holder will cease N/A to hold: 12. Date on which proxy holder will cease to hold N/A voting rights: 13. Additional information: Following the merger of Glencore International plc and Xstrata plc becoming effective on 2 May 2013, Glencore Xstrata plc became the ultimate beneficial owner of 139,513,430 ordinary shares in Lonmin plc and became beneficially interested in 24.54% in Lonmin plc. Xstrata Zinc BV is the direct holder of those shares and its percentage interest in voting rights remains unchanged at 24.54%. Seema Kamboj 14. Contact name: 020 7201 6053 15. Contact telephone number: J.P. Morgan Equities South Africa (Pty) Ltd 16. Sponsor Date: 07/05/2013 03:17:00 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.