2 May 2023

HeiQ Plc

("HeiQ" or "the Company")

Temporary Suspension of Trading in Ordinary Shares

Further to the Company's announcement on 27 April 2023 regarding the delayed publication of the audited financial statements for the year ended 31 December 2022 ("2022 Accounts"), the Company applied for and has been granted a temporary suspension of the listing on the Official List of the Financial Conduct Authority ("FCA") of its ordinary shares of 30p each ("Ordinary Shares") from 7.30 this morning until the 2022 Accounts have been published .

The Directors anticipate that the Company will be in a position to publish the audited report and accounts in the coming weeks. The Company will provide further market updates around the expected timing of the annual results publication once its financial reporting and the audit work is sufficiently progressed.

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About HeiQ

HeiQ is focused on improving the lives of billions of people world-wide by innovating the materials people use every day. HeiQ has strong IP which is at the forefront of global technology in the $10 billion antimicrobial fabrics market, $24 billion textile chemicals market, the $50 billion probiotics market and the $150 billion man-made fibers market. It has also moved into the medical device, healthcare and hygiene coatings markets, to help make hospitals and healthcare environments more hygienic. HeiQ aims to deliver growth for its shareholders through a combination of increased sales of its core products and by entering additional lucrative markets through disruptive innovations and M&A.

HeiQ has created some of the most effective, durable and high-performance technologies in the market today, which cool, warm, dry, repel, purify, and destroy viruses. Since 2005, HeiQ has developed over 200 technologies in partnership with 300 major brands and it has a significant R&D pipeline containing over 50 projects. The Company has won multiple awards and gained a strong reputation for the ESG & sustainable downstream effect of its innovations. HeiQ is the only company to have won the Swiss Technology award twice. It has also won the Swiss Environmental award with an innovation that saves energy and water consumption during the textile manufacturing process.

Led by an experienced leadership team, HeiQ researches new solutions for partners, delivers scaled up manufacturing from its sites across the world and helps partners market the product to end consumers - aiming for lab to consumer in months.