Oxford Biodynamics PlcLSE: OBD

Change of Nominated Adviser

· Issued by Oxford Biodynamics Plc

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Oxford BioDynamics Plc

("OBD" or the "Company" and, together with its subsidiaries, the "Group")

Change of Nominated Adviser

Oxford, UK - 17 February 2026 - Oxford BioDynamics Plc (AIM: OBD, the Company), a precision clinical diagnostics company bringing specific and sensitive tests to the practice of medicine based on its EpiSwitch® 3D genomics platform, announces that it has today appointed Singer Capital Markets Advisory LLP as Nominated Adviser and Broker to the Company.

-Ends-

For further details please contact:

 Oxford BioDynamics Plc

Tel: +44 (0)1865 518910

Iain Ross Executive Chairman

Paul Stockdale, CFO

Singer Capital Markets - Nominated Adviser and Broker

Tel: +44 (0)20 7496 3095

Phil Davies / Anastassiya Eley

OAK Securities - Joint Broker

Tel: +44 (0)20 3973 3678

Matthew Clarke / Tim Dainton / Calvin Man

Camarco - Financial PR

Tel: +44 (0)20 3757 4980

Marc Cohen / Tilly Butcher / Fergus Young

OBDFinancial@camarco.co.uk

Notes to Editors

About Oxford BioDynamics Plc

Oxford BioDynamics Plc (AIM: OBD) is an international biotechnology company, advancing personalized healthcare by developing and commercializing precision clinical diagnostic tests for life-changing diseases.

Currently OBD has two commercially available products: the EpiSwitch® PSE (EpiSwitch Prostate Screening test) and EpiSwitch® CiRT (Checkpoint Inhibitor Response Test) blood tests. PSE boosts the predictive accuracy of a PSA test from 55% to 94% when testing the presence or absence of prostate cancer. CiRT is a highly accurate (85%) predictive response test to immuno-oncology checkpoint inhibitor treatments.

The tests are based on OBD's proprietary 3D genomic biomarker platform, EpiSwitch® which enables screening, evaluation, validation and monitoring of biomarkers to diagnose patients or determine how individuals might respond to a disease or treatment.

OBD's clinical smart tests have the potential to be used across a broader range of indications, and new tests are being developed in the areas of oncology, neurology, inflammation, hepatology and animal health.

The Group's headquarters and UK laboratories are in Oxford, UK. Its US operations and clinical laboratory are in Maryland, USA, along with a reference laboratory in Penang, Malaysia.

OBD is listed on the London Stock Exchange's AIM (LSE: OBD). For more information, please visit the Company's website, www.oxfordbiodynamics.com,  X (@OxBioDynamics) or LinkedIn.

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