SmileDirectClub Investor Presentation Deck

Net Income to adjusted EBITDA. (In thousands) Net loss Depreciation and amortization Total interest expense Income tax expense Lease abandonment and impairment of long-lived assets Other store closure and restructuring costs Loss on extinguishment of debt Equity-based compensation IPO Related Costs Other non-operating general and administrative costs(1) Adjusted EBITDA smile DIRECT CLUB Three Months Ended December 31, 2020 Note: Adjusted EBITDA is a non-GAAP financial measure. (1) Includes a one-time legal expense settlement of $5.0mm, offset by currency gains recognized in the quarter of $3.1mm. $(32,951) 16,991 15,383 1,377 (3,136) 844 6,714 1,943 $7,165 2019 $(97,326) 11,099 4,052 1,672 17,363 3,746 (644) $(60,038) 21

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