SmileDirectClub Investor Presentation Deck

2 Trusted brand among customers & professionals 70% of customers consult with a dental professional when considering their options for teeth straightening... Of those who consulted with a dental professional, there has been a significant shift year over year with fewer doctors expressing a negative sentiment and more expressing a SmileDirectClub positive sentiment - in-line with Invisalign. (Previous treatment) Please describe whether you consulted with a dental professional and whether they were positive, negative or neutral on the treatment option¹ Q1 2022 Q4 2021 Q3 2021 Q2 2021 Q1 2021 smile DIRECT SmileDirectClub CLUB 69% 75% 69% 61% 64% Dental professional was positive Dental professional was neutral Dental professional was negative 28% 21% 23% 22% 25% 4% 7% 6% 11% 14% Source: U.S. brand tracker (general population): Q1 2022. 1) 122 responses. 2) 168 responses. Invisalign (Previous treatment) Was the dental professional positive, negative or neutral on the treatment options? ² Q1 2022 Q4 2021 Q3 2021 Q2 2021 Q1 2021 77% 73% 71% 73% 65% Dental professional was positive Dental professional was neutral Dental professional was negative 18% 22% 21% 19% 30% 5% 6% 8% 8% 5% 12

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