ProSomnus SPAC Presentation Deck

Effectiveness of Incumbent Therapies is Limited ProSomnus has superior effectiveness over incumbent therapies "I've been looking for a solution for sleep apnea for over a decade now. I'm looking forward to not being tired during the day and having more energy. Because of ProSomnus, I feel like I have a new lease on life." -Phil (Orange County, CA) 1. 2. 3. EFFECTIVENESS = ADHERENCE * EFFICACY ProSomnus adherence: Stern, J. Efficacy and Effectiveness 2018 Jun; ProSomnus efficacy: Mosca et al. JCSM 2022; 18(3):911-919. CPAP adherence and efficacy: Dieltjens M, et al. Oral Appliances in Obstructive Sleep Apnea 2019 Nov 8 Upper Airway Stimulation Adherence: Thaler et al. Results of the ADHERE UAS Registry. PROSOMNUS SLEEP TECHNOLOGIES (Mild/Moderate) PROSOMNUS SLEEP TECHNOLOGIES (All Severities) 4. CPAP Upper Airway Stimulation Legacy OAT 1 1 2 3 4 50% 48% 45% O 74% Laryngoscope (130) 2020. UAS Efficacy: Strollo, STAR Trial Group. Upper-airway stimulation for obstructive sleep apnea. N Engl J Med. 2014 Jan 9 Legacy OAT adherence: Dieltjens M, et al. Objectively Measured vs. Self-Reported Compliance 2013 Nov; Legacy OAT efficacy: Dieltjens M et al. Oral Appliances in OSA 2019 Nov PROSOMNUS SLEEP TECHNOLOGIES 85% 11 STRICTLY CONFIDENTIAL

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