Holding(s) in Company

9th Sep 2008 08:46

TR-1 NOTIFICATION OF MAJOR INTERESTS IN SHARES

1. Identity of the issuer or the underlying issuer of existing shares to which voting rights are attached: Johnson Matthey plc 2. Reason for the notification: An acquisition or disposal of voting rights 3. Full name of person(s) subject to the notification obligation: Vanguard Precious Metals & Mining 4. Full name of shareholder(s) (if different from 3.):

Chase Nominees Limited

5. Date of the transaction (and date on which the threshold is crossed or reached if different): 2 September 2008 6. Date on which issuer notified: 8 September 2008 7. Threshold(s) that is/are crossed or reached: 5% 8. Notified details: VOTING RIGHTS ATTACHED TO SHARES: Class/type of shares (if possible using the ISIN CODE): GB0004764071 Situation previous to the triggering transaction: Number of shares: 10,650,000 Number of voting rights: 10,650,000 Resulting situation after the triggering transaction: Number of shares (direct): 10,850,000 Number of voting rights (direct): 10,850,000 Number of voting rights (indirect): - % of voting rights (direct): 5.05% % of voting rights (indirect): - Total number of voting rights: 10,850,000 Total % of voting rights: 5.05%

9. Chain of controlled undertakings through which the voting rights and/or the financial instruments are effectively held if applicable: 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: 14. Contact Name: Angela Purtill, Assistant Company Secretary, Johnson Matthey plc 15. Contact Telephone Number: 020 7269 8461

9 September 2008

vendor

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Related Shares:

Johnson Matthey