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") NOTIFICATION OF MAJOR INTEREST IN SHARES 3 August 2012 TR-1: NOTIFICATION OF MAJOR INTEREST IN SHARES(i) 1. Identity of the issuer or the underlying issuer Lonmin Plc of existing shares to which voting rights are attached: (ii) GB0031192486 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 Norges Bank notification obligation: (iii) 4. Full name of shareholder(s) (if different from N/A 3.)(iv) 5. Date of the transaction and date on which the 1st August 2012 threshold is crossed or reached:(v) 6. Date on which issuer notified: 3rd August 2012 7. Threshold(s) that is/are crossed or reached: 3% (vi)(vii) 8. Notified details: A: Voting rights attached to shares(viii)(ix) Class/type of Situation previous to Resulting situation after the triggering transaction shares the triggering transaction if possible using Number Number Number Number of voting % of voting rights(x) the ISIN CODE of Shares of Voting of shares rights Rights Direct Direct (xi) Indirect Direct Indirect (xii) GB0031192486 6,021,079 6,021,079 6,268,918 6,268,918 3.09% 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 N/A N/A N/A N/A N/A 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 Conversion instrument refers to (xix)(xx) (xvii) period (xviii) N/A N/A N/A N/A Nominal Delta N/A N/A Total (A+B+C) Number of voting rights Percentage of voting rights 6,268,918 3.09% 9. Chain of controlled undertakings through which the voting rights and/or the financial instruments are effectively held, if applicable: (xxi) N/A Proxy Voting: 10. Name of the proxy holder: Norges Bank 11. Number of voting rights proxy holder will cease to hold: N/A 12. Date on which proxy holder will cease to hold voting rights: N/A 13. Additional information: None 14. Contact name: Seema Kamboj 15. Contact telephone number: 020 7201 6053 16. Sponsor: J.P. Morgan Equities Limited Date: 03/08/2012 05:30:00 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.