Agreed completion date for sale of CT

JM and Honeywell Technologies agree completion date for the sale of Catalyst Technologies

Further to the announcement made on 3rd July 2026, Johnson Matthey Plc ("JM") confirms that JM and Honeywell Technologies ("Honeywell") have agreed a completion date of17th July 2026 for the sale of JM's Catalyst Technologies business to Honeywell. Completion of the transaction will be subject to and in accordance with the provisions of the SPA dated21st May 2025 between JM and Honeywell (as amended). JM will make a further announcement upon completion in due course.

The person responsible for the release of this announcement is Simon Price, General Counsel and Company Secretary of JM.

ENDS

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Guy Bates

Kekst CNC

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