Johnson Matthey Plc announced the appointment of Barbara Jeremiah as an independent Non-Executive Director. This appointment is with effect from July 1, 2023 and Barbara will also become a member of all four board committees. Chris Mottershead will step down as Chair of the Remuneration Committee following the Company's Annual General Meeting in July 2023 ("AGM") and from the Board on 26th January 2024, following a nine-year tenure.

Barbara will become the Senior Independent Director, succeeding John O'Higgins who will become Chair of the Remuneration Committee. These changes will take effect from the end of AGM. Barbara brings strong leadership, deep understanding of metals and has extensive experience in North American markets.

She is Chair of The Weir Group PLC and spent over 30 years at Alcoa Inc. Most recently, she was Executive Vice President, Corporate Development, a position she held for ten years prior to her retirement in 2009, with responsibility for leading Alcoa's global merger, acquisition, divestiture and integration activities. Prior to this, Barbara was a practising lawyer in Alcoa's legal team. Barbara currently holds, or has held the following directorships: Current directorships, The Weir Group PLC, a company listed on the London Stock Exchange (appointed to the Board in August 2017, appointed as Chair in April 2022)Senior Plc (appointed to the Board in January 2022 and as Senior Independent Director and Remuneration Committee Chair in April2023).

Previous directorships: Non-Executive Director of:Aggreko plc, a company listed on the London Stock Exchange (March 2017 to August 2021)Premier Oil plc, a company listed on the London Stock Exchange (May 2019 - November 2020)Russel Metals Inc, a company listed on the Toronto Stock exchange (May 2016 - May 2020) Allegheny Technologies Inc, a company listed on the New York Stock Exchange (October 2008 - May 2019).