16 February 2024

HeiQ Plc

("HeiQ" or "the Company")

Result of Placing

HeiQ (LSE:HEIQ), a leading company in materials innovation and hygiene technologies, announces that, further to the announcement made on 15 February 2024 regarding the Fundraising (the "Launch Announcement"), it has raised the maximum of £0.685 million (before expenses) via the placing of 7,866,709 Placing Shares at the Issue Price of 8.7 pence per share. The Placing was undertaken through an accelerated bookbuild.

A further announcement will be made on 23 February 2023 announcing the result of the Retail Offer.

A circular will shortly be posted to Shareholders who have opted to receive a hard copy, together with a notice of the General Meeting, to be held at the offices of Cavendish Financial Plc, One Bartholomew Close, London, UK at 2 p.m. on 13 March 2024 (the "Circular"). The Circular will contain further details of the Fundraising, the Acquisition and the General Meeting. This document will also be available to view on the Company's website and on the Financial Conduct Authority's ("FCA") national storage mechanism.

Applications will be made for the New Ordinary Shares and the Conversion Shares to be admitted to the standard segment of the Official List and admitted to trading on the London Stock Exchange ("Admission"). Admission is expected to become effective on or around 14 March 2024 and the New Ordinary Shares and Conversion Shares will be issued fully paid and will rank pari passu in all respects with the existing issued ordinary shares of the Company.

Capitalised terms in this announcement have the same meaning as those defined in the Launch Announcement.

For further information, please contact:

About HeiQ

HeiQ is a Swiss-based international company that innovates pioneering and differentiating materials in partnership with established global brands. We bridge the academic and commercial worlds to conceive performance-enhancing materials and technologies, working with aligned brands to research, manufacture and bring products to market, aiming for lab to consumer in months. Our goal is to improve the lives of billions by innovating the materials that go into everyday products, making them more hygienic, comfortable, protective, and sustainable.

Our strong IP portfolio positions us as an innovation leader for niche, premium and high-margin products in the textile chemicals, man-made fibers, paints and coatings, antimicrobial plastics, probiotics and household cleaner markets. We have also expanded into healthcare facilities, probiotic cleaning, and hygiene coatings markets to help make hospitals and healthcare environments more hygienic.

We have developed over 200 technologies in partnership with 300 major brands. With a substantial research and development pipeline, including key technology development projects HeiQ AeoniQ, HeiQ ECOS, HeiQ GrapheneX, and HeiQ Synbio, HeiQ aims to deliver shareholder value through sales growth and entry into new lucrative markets through disruptive innovation and M&A.

We have built a strong reputation for ESG & sustainable innovation, having won multiple awards including the Swiss Technology Award twice and the Swiss Environmental Award. Under experienced leadership, we are committed to driving our profit in close connection with people and the planet. For more information, please visit www.heiq.com.