SmileDirectClub Investor Presentation Deck

Net Income to Adjusted EBITDA. (In thousands) Net loss Depreciation and amortization Total interest expense Income tax (benefit) expense Lease abandonment and impairment of long-lived assets Restructuring and other related costs Equity-based compensation Other non-operating general and administrative costs Adjusted EBITDA smile DIRECT CLUB Three Months Ended June 30, 2023 ($53,796) 15,518 8,527 492 4,811 3,709 5,345 1,813 ($13,581) 2022 ($65,486) 19,580 4,454 256 3,168 8,560 6,306 ($23,162) Note: Adjusted EBITDA is a non-GAAP financial measure. Prior period reconciliations are available in historical SEC filings at https://investors.smiledirectclub.com/financial-filings/sec-filings. 37

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