LONMIN PLC - NOTIFICATION OF MAJOR INTEREST IN SHARES

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

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