SmileDirectClub Investor Presentation Deck

SDC has built a brand at scale that our members love. We have made considerable progress on brand perception, and our member satisfaction scores consistently tracked higher than DTC peers Google Reviews & Member Sentiment Total # of Reviews 5.0 4.8 4.6 4.4 4.2 120,000 100,000 80,000 60,000 40,000 20,000 4.8 SDC 96% 96,907 SDC 2,779 DTC Competitors Total Reviews 96% 4.7 Customer Rating (2) DTC Competitors 87% 14,860 DSO -% Positive 4.4 DSO 98% 96% 94% 92% 90% 88% 86% 84% 82% smile Source: Internal company surveys, public information. Data as of Apr. 2021. DIRECT CLUB % Positive Sentiment "Has a network of dentists and orthodontists to provide the best possible care to its customers" 62% 63% 42% Perception on brand credibility Q4 19 SDC Q1 21 Q1 21 SDC Invisalign NPS 43(³) - one of the highest in spec. healthcare industry. BBB rating of A+ Note: DTC rating is an average of DTC competitors. DSO rating is average of two larger DSOS in the US. (1) Reflects most recent prior brand survey response.. (2) Google rating. (3) All time average rating. (4) Company website. "Is a brand / product I trust" 62% 66% 36% Q2 20 SDC Q1 21 SDC Q1 21 Invisalign Approx. 21% of members come from referrals. II Average rating 4.5/5.0 I with over 200K member reviews (4). 7

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