ProSomnus SPAC Presentation Deck

Significant Disruption of OSA Market is Set to Occur X X Low patient adherence X Social stigma surrounding therapy Discomfort, confinement Occurrence of upper airway infection, dry-throat and nasal skin irritation X X X 3 X CPAP Manual, time-intensive cleaning regiment required Costly with large out-of-pocket expenditures Respiratory flow data provides limited clinical utility Which would you choose? PROSOMNUS SLEEP TECHNOLOGIES PROSOMNUS SLEEP TECHNOLOGIES Clinically proven therapy High patient adherence None of the side effects of legacy OAT devices Ease of use with minimal cleaning and device maintenance required Minimal disruption to patient sleeping habits / routines Cost-effective Ability to provide continuous oxygen data which contains predictive medical value 6 STRICTLY CONFIDENTIAL

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