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 Q4 2022 Q3 2022 Q2 2022 Q1 2022 smile DIRECT CLUB 71% 70% 66% 75% SDC 23% 27% 33% ■Positive Neutral Negative Dental professional was positive Dental professional was neutral Dental professional was negative 21% 29 6% 19 4% Invisalign (Previous treatment) Was the dental professional positive, negative or neutral on the treatment options? ² Invisalign Q4 2022 Q3 2022 Q2 2022 Source: U.S. brand tracker (general population): Q3 2022. 1) 399 responses. 2) 536 responses. Q1 2022 76% 74% 71% 77% Dental professional was positive Dental professional was neutral Dental professional was negative 20% 4% 23% 3% Positive Neutral ■Negative 27% 2⁰ 18% 5%

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