Schedule II VALUATION AND QUALIFYING ACCOUNTS

12 Months Ended

Dec. 31, 2021

Schedule II VALUATION AND QUALIFYING ACCOUNTS

Schedule II VALUATION AND QUALIFYING ACCOUNTS

Schedule II
COGENT COMMUNICATIONS HOLDINGS, INC. AND SUBSIDIARIES
VALUATION AND QUALIFYING ACCOUNTS
(in thousands)

	Balance at		Charged to				Balance at
	Beginning of		Costs and				End of
Description	Period		Expenses		(Deductions)		Period
Deferred tax valuation allowance
Year ended December 31, 2019	$	126,579	$	5,785	$	(1,295)	$	131,069
Year ended December 31, 2020	$	131,069	$	20,599	$	(1,079)	$	150,589
Year ended December 31, 2021	$	150,589	$	4,918	$	(22,707)	$	132,800