Diploma PLC announced the appointment of Janice Stipp as an independent non-executive director and Audit Committee Chair-designate with effect from the conclusion of the Annual General Meeting to be held on 17 January 2024. From the same date, Janice will become a member of each of the Audit, Remuneration and Nomination Committees. Janice will succeed Anne Thorburn as Diploma's Audit Committee Chair during 2024, when Anne will step down from the Board after nine years.

Janice is currently a non-executive director and Chair of the Audit Committee at Rotork PLC, an independent Board member and Audit Committee Chair at ArcBest Corporation and a Board member of Michigan State University Research Foundation. Janice was previously an Independent Board member at Sappi Ltd, Commercial Vehicle Ground Inc, NN Inc. and PlyGem Holdings Inc.