NOTIFICATION OF MAJOR INTERESTS IN SHARES

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

Johnson Matthey Plc

Reason for the notification:

An acquisition or disposal of voting rights

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

Standard Life Investments (Holdings) Limited

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

N/A

Date of the transaction (and date on which the threshold is crossed or reached if different):

24 March 2017

Date on which issuer notified:

27 March 2017

Threshold(s) that is/are crossed or reached:

Above 5%

Notified details:

VOTING RIGHTS ATTACHED TO SHARES:

Class/type of shares (if possible using the ISIN CODE):

GB00BZ4BQC70

Situation previous to the triggering transaction:

Resulting situation after the triggering transaction:

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

Standard Life Investments (Holdings) Limited - 5.184%

Ignis Investment Services Limited - Below 5%

PROXY VOTING:

Name of the proxy holder:

N/A

Number of voting rights proxy holder will cease to hold:

N/A

Date on which proxy holder will cease to hold voting rights:

N/A

Additional Information

Total voting rights of 193,533,430 based on the Company's announcement as at 11 January 2016.

Contact Name:

Victoria Barlow, Assistant Company Secretary, Johnson Matthey Plc

Contact Telephone Number:

020 7269 8431

27 March 2017