SmileDirectClub Investor Presentation Deck

2 Trusted brand among customers & professionals SDC sentiment with dental professionals continues to rise – in line with Invisalign. 60% of customers consult with a dental professional when considering teeth straightening options. Of those customers, fewer are reporting their doctor expressed a negative sentiment while positive/neutral sentiment improves. SmileDirectClub (Previous treatment) Please describe whether you consulted with a dental professional and whether they were positive, negative or neutral on the treatment option¹ Q3 2022 Q2 2022 Q1 2022 Q4 2021 Q3 2021 smile DIRECT CLUB 70% 66% 75% 69% 69% Dental professional was positive Dental professional was neutral Dental professional was negative 23% 33% 21% 23% 25% 6% 19 4% 7% 6% Source: U.S. brand tracker (general population): Q3 2022. 1) 399 responses. 2) 536 responses. Invisalign (Previous treatment) Was the dental professional positive, negative or neutral on the treatment options? ² Q3 2022 Q2 2022 Q1 2022 Q4 2021 Q3 2021 74% 71% 77% 73% 71% Dental professional was positive Dental professional was neutral Dental professional was negative 23% 27% 18% 22% 21% 3% 2% 5% 6% 8%

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