SmileDirectClub Results Presentation Deck

Gross margin. Gross margin for the quarter was 73%, an over 200-basis point improvement versus the prior year. ● We were unable to keep pace with order demand in Q4 2019 due to certain Gross margin for FY 2019 was 76%, an almost 800-basis point improvement versus the prior year. This was driven by manufacturing 100% of our aligners in-house. challenges in manufacturing automation. This resulted in increased costs and a 415-basis point sequential decline in gross margin. ● smile DIRECT CLUB We remain very focused on improving our strong gross margin profile through continued advancements in our technology, and further automation of our core manufacturing processes. 68% FY 2018 Gross margin % 76% FY 2019 71% Q4 2018 73% Q4 2019 15

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