Director Declaration - John O'Higgins

27 February 2026

Oxford Nanopore Technologies plc

Director Declaration

Pursuant to Listing Rule 6.4.9 R(2), Oxford Nanopore Technologies plc (the "Company") confirms that John O'Higgins, Non-Executive Director of the Company, has been nominated for appointment to the Board of Technip Energies NV (PARIS: TE) as Non-Executive Chair, subject to approval at the Annual General Meeting of Technip Energies NV on 5 May 2026.

[ENDS]

For further information, please contact:

Oxford Nanopore Technologies plc

Investors: [email protected]

Media: [email protected]

Teneo (communications adviser to the Company)

Tom Murray, Lisa Jarrett-Kerr

+44 (0) 20 7353 4200

[email protected]  

About Oxford Nanopore Technologies plc:

Oxford Nanopore Technologies' goal is to bring the widest benefits to society through enabling the analysis of anything, by anyone, anywhere. The Group has developed a new generation of nanopore-based sensing technology that is currently used for real-time, high-performance, accessible, and scalable analysis of DNA and RNA. The technology is used in more than 125 countries, to understand the biology of humans, plants, animals, bacteria, viruses and environments as well as to understand diseases such as cancer. Oxford Nanopore's technology also has the potential to provide broad, high impact, rapid insights in a number of areas including healthcare, food and agriculture.

For more information please visit: www.nanoporetech.com