Iofina Regulatory News (IOF)

12 December 2025

Iofina plc

("Iofina", the "Company" or the "Group")

(AIM: IOF)

Directorate Change

Iofina plc, specialists in the exploration and production of iodine and manufacturers of specialty chemical products, is pleased to announce the proposed appointment of Tim Hughes as a Non-Executive Director, to take effect from 1 January 2026.

Tim has significant experience in general management in the specialty chemical industry as well as corporate and sustainability matters. Tim was a member of the Executive Committee of Synthomer plc for 11 years until 2023 as divisional director for the industrial specialties global business, which included the company's specialty iodine business, before then becoming President of Corporate Development, where he was responsible for investor relations, external affairs and the development of the company's sustainability strategy.

Prior to Synthomer, Tim led the Urethane Technologies joint venture business for Chemtura Corporation and spent 14 years in business leadership and marketing roles at Courtaulds plc. Tim is based in the UK and holds a BSc in Chemistry from the University of Manchester and an MBA from Cranfield University.

Concurrent with his appointment, Tim will also be appointed as a member of Iofina's Audit and Remuneration Committees.

Non-Executive Chairman, Lance Baller, commented:

"I'm delighted to welcome Tim to the Board of Iofina. He brings a wealth of experience from across the global specialty chemical industry. His knowledge of the iodine sector, combined with his corporate experience, will make him a valuable asset as the Company continues to expand its iodine production facilities and unlock new customer markets."

Additional Information

Timothy John Hughes, age 61, is currently or has been a Director of the following companies within the past five years:

Enquiries:

Iofina plc

Dr. Tom Becker

CEO & President

Tel: +44 (0)20 3006 3135

Nomad & Broker:

Canaccord Genuity Limited

Henry Fitzgerald-O'Connor/Harry Rees

Tel: +44 (0)20 7523 8000

Financial PR and Media Contact:

Yellow Jersey PR Limited

Charles Goodwin/Shivantha Thambirajah

Tel: +44 (0)7747 788 221/+44 (0)7983 521 488

About Iofina:

Iofina plc (AIM: IOF) is a vertically integrated company that specialises in the production of Iodine and the manufacturing of specialty chemical products. Iofina is the second largest producer of iodine in North America and operates the manufacturing entities Iofina Resources and Iofina Chemical.

LEI: 213800QDMFYVRJYYTQ84

ISIN: GB00B2QL5C79

Iofina Resources

Iofina Resources develops, builds, owns, and operates iodine extraction plants using Iofina's WET® IOsorb® technology. Iofina operates eight IOsorb® plants in Oklahoma and consistently uses technology and innovation to improve and expand its operations.

Iofina Chemical

Iofina Chemical has manufactured high-quality halogen speciality chemicals derived from raw iodine, as well as non-iodine-based products. Iofina Chemical celebrated its 40th anniversary in 2023 as a preeminent halogen-based specialty chemicals company.

www.iofina.com