The following table provides a reconciliation of projected Adjusted EBITDA to projected net loss, the most comparable GAAP financial measure:

		(Unaudited)
		Three Months Ending June 30, 2021								Year Ending December 31, 2021
(in thousands)		Low				High				Low				High
Net loss		$	(23,700	)		$	(21,800	)		$	(37,600	)		$	(29,800	)
Income tax expense			3,200				3,300				10,400				10,600
Stock-based compensation expense			11,100				11,100				44,200				44,200
Interest expense			3,000				3,000				12,000				12,000
Depreciation and amortization			6,500				6,500				24,900				24,900
Restructuring expense			2,000				2,000				5,300				5,300
Special adjustments, interest income and other			(100	)			(100	)			(200	)			(200	)
Adjusted EBITDA		$	2,000			$	4,000			$	59,000			$	67,000