Investor Presentaiton

Respiratory diagnostics are failing us Spirometry: 1846 1D technology Accurate but insensitive 20% market ME SPIROMET Cost Advantages Spirometry: USD $72; Complete PFT: USD $750 49-50 Functional; Accurate; Zero dose; Non-invasive; Low cost (Spirometry) A 51-52 49-50 51-52 53-4 Limitations ⚫ Insensitive • ⚫ Non-specific Complete PFT expensive and time consuming • Effort dependent (repeatability issues) • Not applicable to all patient cohorts 4DMedical™ X-ray: 1895 2D technology Inexpensive, but tells us very little about airflow 67% market Nuclear Medicine: 1971 3D technology Measures both ventilation and perfusion, but has significant limitations 1% market These four technologies account for 99% of the 382 million respiratory diagnostics test performed per annum globally 4DMedical Limited (ASX:4DX) Investor Presentation | September 2022 80

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