Notice of AGM

5 May 2026

Iofina plc

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

(LSE AIM: IOF)

Notice of AGM

Iofina plc, manufacturers of specialty chemical products and specialists in the exploration and production of iodine, today announces that its 2026 Annual General Meeting ("AGM") will take place on 9 June 2026 at 10:00 a.m. at the offices of Canaccord Genuity, 88 Wood Street, London EC2V 7QR. The Company's Annual Report and Financial Statements for the year ended 31 December 2025 together with the Notice of AGM will be available shortly on the Company's website at www.iofina.com. Hard copies of these documents will be posted to shareholders.

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/Maya Brookes

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. A ninth plant is under construction in the Permian Basin.

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