SmileDirectClub Results Presentation Deck

Marketing & selling. Marketing and selling expenses came in at $35 million or 32% of net revenue in the quarter, compared to 72% of net revenue in Q1 of 2020. ● ● ● ● Demonstrates the leverage in sales and marketing spend that we have discussed historically. ● Sequentially, marketing and selling as a percentage of revenue declined by 55%. Reflects the sustainability of lower sales and marketing spend to support our revenue growth going forward Even with this reduced spend approximately 60% of club members who purchased in Q2 were new leads This is close to where we have been historically, but driven by reduced sales and marketing spend We expect to continue to perform well against the long-term targets that we have previously provided in the quarters to come smile DIRECT CLUB Our long-term target of 40-45% of revenue remains intact. Quarter Referrals as a % of Aligner Orders SmileShop Count 54% $96mm Q1 2019 Q1 Q2 Q3 Q4 2019 2019 2019 2019 20% 223 310 366 391 418 58% Marketing & selling expenses $113mm 20% 20% 20% 20% Q2 2019 73% $131mm Q3 2019 Actual $ Q1 2020 72% $141mm 72% $142mm Q4 2019 Q1 2020 -% of Net Revenue Q2 2020 21% 42 32% $35mm Q2 2020 15

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