Holding(s) in Company

TR-1: NOTIFICATION OF MAJOR INTEREST IN SHARESi

1. Identity of the issuer or the underlying issuer of existing shares to which voting rights are attached: ii

LONMIN PLC

2 Reason for the notification (please tick the appropriate box or boxes):

An acquisition or disposal of voting rights

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

YES

An event changing the breakdown of voting rights

Other (please specify):

3. Full name of person(s) subject to the notification obligation: iii

XSTRATA ZINC BV

4. Full name of shareholder(s)  (if different from 3.):iv

N/A

5. Date of the transaction and date on which the threshold is crossed or reached: v

1 JUNE 2009

6. Date on which issuer notified:

2 JUNE 2009

7. Threshold(s) that is/are crossed or reached: vi, vii

HOLDING OF NIL PAID RIGHTS CARRYING THE RIGHT TO SUBSCRIBE FOR NEW ORDINARY SHARES REPRESENTING 5.483% OF THE EXISTING ORDINARY SHARE CAPITAL (WHICH EQUATES TO 4.486% OF THE ISSUED ORDINARY SHARE CAPITAL AS ENLARGED BY THE NEW ORDINARY SHARES ISSUED PURSUANT TO THE RIGHTS ISSUE (AS DEFINED IN PARAGRAPH 13 BELOW)). THESE NIL PAID RIGHTS DO NOT CARRY ANY VOTING RIGHTS. WHEN THE NEW ORDINARY SHARES ARE ISSUED PURSUANT TO THE RIGHTS ISSUE, XSTRATA ZINC BV'S PERCENTAGE INTEREST IN VOTING RIGHTS WILL REMAIN UNCHANGED AT 24.67%

8. Notified details:

A: Voting rights attached to shares viii, ix

Class/type of shares

if possible using the ISIN CODE

Situation previous to the triggering transaction

Resulting situation after the triggering transaction

Number of Shares

Number of Voting Rights

Number of shares

Number of voting rights

% of voting rights x

Direct

Direct xi

Indirect xii

Direct

Indirect

Lonmin

Ordinary Shares

38,939,421

38,939,421

38,939,421

24.67

GB0031192486

B: Qualifying Financial Instruments

Resulting situation after the triggering transaction

Type of financial instrument

Expiration date xiii

Exercise/ Conversion Period xiv

Number of voting rights that may be acquired if the instrument is exercised/ converted.

% of voting rights

C: Financial Instruments with similar economic effect to Qualifying Financial Instruments xv, xvi

Resulting situation after the triggering transaction

Type of financial instrument

Exercise price

Expiration date xvii

Exercise/ Conversion period xviii

Number of voting rights instrument refers to

% of voting rights xix, xx

NIL PAID RIGHTS

900 pence

3 June 2009

N/A

8,653,204 NIL PAID RIGHTS THAT GIVE THE HOLDER THE RIGHT TO SUBSCRIBE FOR 8,653,204 NEW ORDINARY SHARES. THESE NIL PAID RIGHTS DO NOT CARRY ANY VOTING RIGHTS. WHEN THE NEW ORDINARY SHARES ARE ISSUED PURSUANT TO THE RIGHTS ISSUE, XSTRATA ZINC BV'S PERCENTAGE INTEREST IN VOTING RIGHTS WILL REMAIN UNCHANGED AT 24.67%

Nominal

Delta

These nil paid rights do not carry any voting rights. When the new ordinary shares are issued pursuant to the rights issue, Xstrata Zinc BV's percentage interest in voting rights will remain unchanged at 24.67%

N/A

Total (A+B+C)

Number of voting rights

Percentage of voting rights

A = 38,939,421

C = 8,653,204 NIL PAID RIGHTS THAT GIVE THE HOLDER THE RIGHT TO SUBSCRIBE FOR 8,653,204 NEW ORDINARY SHARES. THESE NIL PAID RIGHTS DO NOT CARRY ANY VOTING RIGHTS. WHEN THE NEW ORDINARY SHARES ARE ISSUED PURSUANT TO THE RIGHTS ISSUE, XSTRATA ZINC BV'S PERCENTAGE INTEREST IN VOTING RIGHTS WILL REMAIN UNCHANGED AT 24.67%

WILL REMAIN UNCHANGED AT 24.67% FOLLOWING THE ISSUE OF THE NEW ORDINARY SHARES PURSUANT TO THE RIGHTS ISSUE

9. Chain of controlled undertakings through which the voting rights and/or the financial instruments are effectively held, if applicable: xxi

XSTRATA ZINC BV, XSTRATA (SCHWEIZ) AG AND XSTRATA PLC

Proxy Voting:

10. Name of the proxy holder:

N/A

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:

THIS NOTIFICATION IS BEING MADE FOLLOWING THE INTRODUCTION OF THE FSA'S NEW DISCLOSURE REGIME RELATING TO FINANCIAL INSTRUMENTS WITH SIMILAR ECONOMIC EFFECT TO QUALIFYING FINANCIAL INSTRUMENTS THAT CAME INTO FORCE ON 1 JUNE 2009.

AS A RESULT OF XSTRATA ZINC BV'S HOLDING OF NIL PAID RIGHTS (WHICH CONSTITUTE FINANCIAL INSTRUMENTS WITH SIMILAR ECONOMIC EFFECT TO QUALIFYING FINANCIAL INSTRUMENTS AND ARE THEREFORE CAUGHT BY THE NEW REGIME) ISSUED TO IT IN CONNECTION WITH THE RIGHTS ISSUE ANNOUNCED BY LONMIN PLC ON 11 MAY 2009 (THE "RIGHTS ISSUE"), XSTRATA ZINC BV'S IS REQUIRED TO DISCLOSE THIS HOLDING OF NIL PAID RIGHTS.

THIS HOLDING OF NIL PAID RIGHTS CARRIES THE RIGHT TO SUBSCRIBE FOR NEW ORDINARY SHARES REPRESENTING 5.483% OF THE EXISTING ORDINARY SHARE CAPITAL (WHICH EQUATES TO 4.486% OF THE ISSUED ORDINARY SHARE CAPITAL AS ENLARGED BY THE NEW ORDINARY SHARES ISSUED PURSUANT TO THE RIGHTS ISSUE). THESE NIL PAID RIGHTS DO NOT CARRY ANY VOTING RIGHTS. WHEN THE NEW ORDINARY SHARES ARE ISSUED PURSUANT TO THE RIGHTS ISSUE, XSTRATA ZINC BV'S PERCENTAGE INTEREST IN VOTING RIGHTS WILL REMAIN UNCHANGED AT 24.67%

14. Contact name:

Seema Kamboj, Lonmin plc

15. Contact telephone number:

020 7201 6053