Oxford BioDynamics plc (OBD) is a United Kingdom-based biotechnology company. The Company is advancing personalized healthcare by developing and commercializing precision medicine tests for diseases, based on the Company’s three-dimensional (3D) genomics platform, EpiSwitch. EpiSwitch research and medical analysis services focus on the discovery, evaluation, validation and monitoring of epigenetic biomarker known as chromosome conformation signatures (CCSs) for use in medical testing kits, disease prediction, diagnosis and treatment. The Company’s products include EpiSwitch Checkpoint Inhibitor Response Test (CiRT), EpiSwitch Covid-19 Severity Test (CST), EpiSwitch Explorer Array Kit, EpiSwitch Analytical Portal and EpiSwitch Service. EpiSwitch CiRT provides patient specific guidance. EpiSwitch CST delivers essential information based on genetic markers to aid in determining an individual’s risk of severe immune response requiring critical care due to COVID-19.