Schedule II - Valuation and Qualifying Accounts

12 Months Ended

Dec. 31, 2017

Schedule II - Valuation and Qualifying Accounts [Abstract]

Schedule II - Valuation and Qualifying Accounts

QTS REALTY TRUST, INC.

QUALITYTECH, LP

CONSOLIDATED FINANCIAL STATEMENTS

SCHEDULE II – VALUATION AND QUALIFYING ACCOUNTS

December 31, 2017

	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
2017	$	4,217	$	7,375	$	(139)	$	11,453
2016		5,063		1,752		(2,598)		4,217
2015		3,748		1,323		(8)		5,063
Valuation allowance for deferred tax assets
2017	$	393	$	320	$	—	$	713
2016		393		—		—		393
2015		3,788		—		(3,395)		393