hVIVO plc

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

Proposed appointment of Chair

hVIVO plc (AIM: HVO), a full-service Contract Research Organisation and the world leader in human challenge clinical trials, announces the appointment of Shaun Chilton as Non-Executive Chair, subject to successful completion of customary due diligence procedures by the Company's Nominated Adviser. It is intended that Shaun will join the Board on 1 September 2025.

Shaun will bring substantial sector-relevant experience and expertise to the Board, underpinned by a track record of delivering strong growth in sales and enterprise value. He brings over 30 years of experience leading and managing both private and public businesses. Shaun was previously Chief Executive Officer of Clinigen Group plc, a global pharmaceutical services group operating in more than 100 countries and has considerable board experience within UK public companies. He is currently Non-Executive Chair of Avacta Group plc, Non-Executive Chair of Kintiga Limited, and Independent Supervisory Board Member of Product Life Group.

A further announcement, including all appropriate disclosures as required by the AIM Rules for Companies, will be made following completion of the due diligence process.

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The information contained within this announcement is deemed by the Company to constitute inside information as stipulated under the Market Abuse Regulation ("MAR") EU no.596/2014. Upon the publication of this announcement via Regulatory Information Service ("RIS"), this inside information is now considered to be in the public domain. 

Notes to Editors

hVIVO plc (Ticker: HVO) is full-service Contract Research Organisation (CRO) and the global leader in human challenge trials. The company delivers end-to-end clinical development services to a diverse and expanding client base, including seven of the world's ten largest biopharma companies.

hVIVO specialises in conducting human challenge trials across multiple infectious and respiratory indications, leveraging its state-of-the-art quarantine facility in London-the largest of its kind worldwide. The Company also offers comprehensive virology and immunology laboratory services under the hLAB brand.

Through its German subsidiary, CRS, hVIVO operates a 120-bed capacity across Mannheim and Kiel, providing early-phase clinical trial services, including first-in-human and proof-of-concept studies. Its second subsidiary, Venn Life Sciences, offers Early Drug Development Consulting and Biometry services to the biopharma sector.

The Group provides fully integrated drug development solutions from preclinical stages through Phase II trials, alongside patient recruitment via FluCamp. Additionally, its five clinical sites support outpatient Phase II and III trials, ensuring a seamless and efficient pathway from discovery to late-stage development.