Schedule II - Valuation and Qualifying Accounts

12 Months Ended

Dec. 31, 2018

Schedule II - Valuation and Qualifying Accounts [Abstract]

Schedule II - Valuation and Qualifying Accounts

QTS REALTY TRUST, INC.

QUALITYTECH, LP

SCHEDULE II – VALUATION AND QUALIFYING ACCOUNTS

December 31, 2018

	Balance at						Balance at
Year Ended December 31,	beginning of		Charge to		Additions/		end of
(dollars in thousands)	period		expenses		(Deductions)		period
Allowance for doubtful accounts
2018	$	11,453	$	(2,275)	$	(5,414)	$	3,764
2017		4,217		7,375		(139)		11,453
2016		5,063		1,752		(2,598)		4,217
Valuation allowance for deferred tax assets
2018	$	713	$	7,648	$	—	$	8,361
2017		393		320		—		713
2016		393		—		—		393