SmileDirectClub Investor Presentation Deck

Net Income to Adjusted EBITDA. (In thousands) Net loss Depreciation and amortization Total interest expense Income tax (benefit) expense Restructuring and other related costs Equity-based compensation Other non-operating general and administrative costs Adjusted EBITDA smile DIRECT CLUB Three Months Ended December 31, 2022 Note: Adjusted EBITDA is a non-GAAP financial measure. ($69,431) 16,786 6,591 (174) 1,799 5,049 (7,957) ($47,337) 2021 ($95,365) 18,458 1,877 (308) 2,039 6,969 4,699 ($61,631) Year Ended December 31, 2022 ($277,853) 74,354 17,961 (642) 19,668 26,608 5,250 ($134,613) 2021 ($335,650) 70,113 23,154 1,268 3,798 44,628 59,485 ($133,204) 43

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