Change of Auditor

hVIVO PLC

13 July 2026

 

hVIVO plc

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

Change of Auditor

London, UK - 13 July 2026, the board of hVIVO plc (AIM: HVO), a purpose built, full-service international clinical development partner and the world leader in human challenge trials, has agreed to appoint Grant Thornton UK LLP as its new auditor, following the completion of a competitive tender process.

Grant Thornton will conduct the audit of the Company's financial statements for the financial year ending 31 December 2026, and a proposal to be reappointed as auditor of the Company will be subject to the approval of shareholders at the 2027 Annual General Meeting. Gravita Audit II Ltd have confirmed that there are no circumstances connected to their resignation which should be brought to the attention of the Company or its creditors in accordance with Section 519 of the Companies Act 2006.

For further information please contact:

hVIVO plc		[phone]
Yamin 'Mo' Khan, Chief Executive Officer Stephen Pinkerton, Chief Financial Officer Susan Stuart, Head of IR and Corporate Communications
Cavendish Capital Markets Limited (Nominated Adviser and Joint Broker)					[phone]
Geoff Nash, Callum Davidson Trisyia Jamaludin, Harriet Ward Nigel Birks - Life Science Specialist Sales Louise Talbot - Sales
Peel Hunt LLP (Joint Broker)				[phone]
James Steel, Dr Christopher Golden
Davy (Joint Broker)				[phone]
Anthony Farrell, Niall Gilchrist
ICR Healthcare (Financial PR & IR) Mary-Jane Elliott / Stephanie Cuthbert / Phillip Marriage / Louis Ashe-Jepson		[e-mail]

Notes to Editors

About hVIVO

hVIVO plc (AIM: HVO) is a purpose-built, full-service international clinical development partner and the global leader in human challenge trials, serving seven of the world's ten largest biopharma companies.

The Company has an end-to-end platform designed to bring important medicines to patients faster: spanning preclinical strategy, first‑in‑human studies, Phase II patient trials and specialist laboratory services, delivered through a large participant database, wholly owned sites and laboratories across the UK and Germany.

With a combined Group heritage of more than 100 years, hVIVO delivers an accelerated pathway to clinical proof-of-concept through four integrated service lines: Consulting, Clinical Trials, Human Challenge Trials, and Laboratories.

·    Consulting provides expert-led preclinical and clinical strategy, encompassing non-clinical, clinical, CMC, pharmacokinetics, data management, biostatistics, and regulatory support to guide trial design, execution, and interpretation.

·    Clinical Trials offers Phase I/II CRO services, Phase II/III site services across the UK and Germany, and specialist recruitment through FluCamp, Europe's largest recruitment database.

·    Human Challenge Trials leverages hVIVO's state-of-the-art quarantine facility in London - the largest of its kind worldwide - to deliver fast, controlled, high-quality efficacy data through guaranteed viral exposure.

·    Laboratories provides cutting-edge virology and immunology laboratory services, including biobanking and sample storage, supporting both challenge trials and standalone client studies.

 

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