Registered in England and Wales number 01818170.

VAT registration number 523 9367 33.

Main country of operation is England.

• Eco Animal Health Group plc – Articles of Association
• Certificates of Incorporation

ECO Animal Health Group has only applied and agreed to have its securities traded on the AIM market of the London Stock Exchange.

The total number of ordinary shares in issue is 67,759,671. There are currently no shares held in treasury.

Last Updated 1 April 2026.

ECO Animal Health Group plc is currently trading on AIM.

Significant Shareholders as at 1 April 2026

Please refer to our Financial Reports page.

Please refer to our Regulatory News page.

• 1995 Admission Document (PDF)

• Please refer to our Corporate Governance page.

Didier Branellec, Independent Non-Executive Director

Didier is a senior life sciences executive bringing over two decades of international corporate strategy and business development experience across biotechnology, pharmaceuticals, animal and human health. Didier is currently Senior Vice President, Business Alliances at BioNTech, where he leads global partnerships with pharmaceutical and biotechnology companies and academic institutions and oversees major alliance-related transactions. Prior to BioNTech, Didier worked at Boehringer Ingelheim, as Vice President, Global Strategy, Business Development & Digital, Animal Health.

Didier also spent 15 years at Merial, a leading global animal health company. As a member of the Merial executive leadership team, he successfully executed more than 50 transactions, including in-licensing, commercial and M&A.

David Hallas, Chief Executive Officer
David Hallas has over 30 years of experience in the animal health industry and is a qualified veterinarian. He is currently managing director of Sure Petcare, a wholly owned subsidiary of Merck Inc. providing digital based solutions to the companion animal sector with sales of over US$170m. Prior to this role, he was Associate Vice President of MSD Animal Health with full P&L responsibility for mid Europe which comprised a group of 7 European countries with a combined revenue of over US$450m; he has also held senior global, regional and business unit management roles in other animal health businesses within Merck, Schering Plough and Pfizer (now Zoetis) and lived and worked overseas including in the USA. David has substantial experience managing profitable growth through the introduction of new products, including vaccines, and successful merger and acquisition integrations.

Joachim Hasenmaier, Non-Executive Chairman, Nomination Committee Chair
Joachim Hasenmaier is a highly experienced commercial leader with more than two decades in the international animal health industry. From 2001 to 2019, he held a variety of senior roles within the animal health division at Boehringer Ingelheim, concluding as member of the Board of Managing Directors responsible for the entire animal health division. During this time he led successful transformation initiatives including the integration of the former Sanofi animal health business Merial, spearheaded key product launches and supported rapid global growth and expansion. Dr. Hasenmaier has also served as Chairman of the Board at IMV Technologies since 2022 and as a Member of the Supervisory Boards of Invetx. He served on the Board of NASDAQ-listed Heska prior to its acquisition by Mars Petcare and also held senior positions at Hoechst Roussel Vet and McKinsey & Company. Dr. Hasenmaier is a Doctor of Veterinary Medicine and holds a PhD in Immunology from Ludwig-Maximillians University in Munich and an MBA from Northwestern University, USA.

Tracey James, Independent Non-Executive Director, Audit Committee Chair and Remuneration Committee Chair
Tracey is a Chartered Accountant who has spent 26 years with Grant Thornton UK LLP, with the last 14 years as an Audit Partner. Tracey was a member of Grant Thornton’s Oversight Board and also served on the Audit & Risk and Pensions Committees. She was also previously Finance Director of Karl Storz Endoscopy Canada (1999-2000). Tracey is currently a Non-Executive Director and Chair of the Audit Committee at specialist Engineering and Technology recruitment solutions business, Gattaca plc.

Christopher Wilks FCA, BSc (Hons), Chief Financial Officer
Christopher Wilks has considerable experience in the fields of both finance and science. He is currently a non-executive director (and Chair of the Audit Committee) of Kromek Group plc, an AIM listed worldwide supplier of radiation detection technology and was previously Chief Financial Officer of Signum Technology Limited, a leading group of specialised engineering businesses operating in the safety and critical service flow control sector, which he co-founded. Prior to Signum Technology, Mr Wilks was Chief Financial Officer at Sondex plc, a specialist manufacturer of technical instruments for the oil and gas industry. Mr Wilks became the Chief Financial Officer of Sondex in 1997 and in June 2003 he successfully managed the listing of Sondex plc on the Main Market of the London Stock Exchange. Sondex was acquired by GE in 2007.

Chris began his career after graduating from the University of Durham with a BSc in Applied Physics and Electronics. Initially he joined Marconi Space Systems, applying his degree skills to the design of power systems for spacecraft. He then trained as a Chartered Accountant at Arthur Young (now EY), and after qualifying as a Chartered Accountant in audit, he became a manager in its Corporate Finance team. Mr Wilks is a Fellow of the Institute of Chartered Accountants in England and Wales.

Audit Committee

Tracey James (Chair)
Joachim Hasenmaier

Remuneration Committee

Tracey James (Chair)
Joachim Hasenmaier

Nomination Committee

Joachim Hasenmaier (Chair)
Tracey James

The Company is subject to the UK City Code on Takeovers and Mergers.

Nominated Advisor and Broker

Singer Capital Markets
1 Bartholomew Lane
London
EC2N 2AX

Tel: +44 (0) 20 7496 3069

Joint Broker

Panmure Liberum
25 Ropemaker Street
London
EC2Y 9LY

Tel: +44 (0) 20 3100 2000

Registered Auditors

HaysMac LLP
10 Queen Street Place,
London
EC4R 1AG

Registrars

Share Registrars Limited
3 The Millennium Centre,
Crosby Way,
Farnham
GU9 7XX

Tel: +44 (0)1252 821390
Web: www.shareregistrars.uk.com

The above information has been disclosed pursuant to Rule 26 of the AIM Rules for Companies.