ProSomnus SPAC Presentation Deck

Incumbent Therapies Do Not Meet Continuous Physiologic (Oxygen) Monitoring Needs of Sleep Medicine ProSomnus will be the first therapy to achieve continuous physiologic monitoring CONTINUOUS THERAPEUTIC MONITORING Entails sensors that monitor the function and performance of therapy, but not the patient's physiologic response X X Limited value Not predictive of health outcomes for OSA X Unclear reimbursement Therapy Type ADHERENCE CPAP Upper Airway Stimulation Legacy OAT ProSomnus (Current) No Monitoring Capabilities SomnoMed Narval POSITION ■ ProSomnus H Vivos X TECHNOLOGY EVOLUTION OF OSA DEVICES X AIRFLOW X X X ■ ProSomnus (2018) ■ ResMed ■ Philips Respironics CONTINUOUS PHYSIOLOGIC MONITORING ■ Entails sensors that monitor a patient's physiologic response to a therapy Predictive of OSA Reimbursement available Therapy Type CPAP Upper Airway Stimulation Legacy OAT Therapeutic Monitoring Inspire ■ SomnoMed (2023E) ProSomnus (Q4 2022) OXYGEN X X X HEART RATE ■ X X PROSOMNUS SLEEP TECHNOLOGIES X PULSE RATE X X X Continuous Physiologic Monitoring ProSomnus (Q4 2022E) 37 STRICTLY CONFIDENTIAL I I

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