Johnson Matthey PlcLSE: JMAT

Share Consolidation and Total Voting Rights

· Issued by Johnson Matthey Plc

17 August 2026

Johnson Matthey Plc

Share consolidation effective and total voting rights

Further to the announcement on 11 August 2026 that shareholder approval was granted at the General Meeting for a Special Dividend and associated Share Consolidation, Johnson Matthey plc ("JM") is pleased to announce that JM's Share Consolidation becomes effective today.

Admission of JM's new ordinary shares to the Equity Shares (Commercial Companies) category of the Official List of the Financial Conduct Authority and to trading on the London Stock Exchange's Main Market for listed securities, is due to take place at 8.00 a.m. today.

The ISIN for the new ordinary shares is GB00BTQHVY80.

As a result of the Share Consolidation and in accordance with the requirements of the FCA's Disclosure Guidance and Transparency Rule 5.6.1A, JM hereby notifies the market that JM's issued share capital as at 8.00 a.m. on 17 August 2026 will consist of 132,965,322 ordinary shares 147

 pence each. JM will hold 6,838,824 ordinary shares in treasury. Therefore, the total number of voting rights in JM as at 17 August 2026 will be 126,126,498. 126,126,498 may be used by shareholders and others with notification obligations as their denominator for the calculations by which they will determine if they are required to notify their interest in, or a change to their interest in, JM under the FCA's Disclosure Guidance and Transparency Rules.

Copies of our announcements are available on our website: https://matthey.com/investors/regulatory‐news 

Capitalised terms used but not otherwise defined in this announcement have the same meaning given to them in the Circular dated 27 July 2026.

ENDS

Enquiries: 

Investor Relations

Louise Curran

Head of Investor Relations

+44 20 7269 8235

Media

Gill Corish

Head of External Communications (Interim)

+44 20 7269 8001

Guy Bates

Kekst CNC

+44 7581 056 415

Johnson Matthey Plc is listed on the London Stock Exchange (JMAT)

Registered in England & Wales number: 00033774
Legal Entity Identifier number: 2138001AVBSD1HSC6Z10

Registered office address: HQ Building, Orchard Road, Royston, Hertfordshire, United Kingdom, SG8 5HE

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