Schedule II-Financial Statement Schedule Valuation and Qualifying Accounts

12 Months Ended

Dec. 31, 2020

Valuation and Qualifying Accounts [Abstract]

Schedule II-Financial Statement Schedule Valuation and Qualifying Accounts

TRINSEO S.A.

SCHEDULE II—FINANCIAL STATEMENT SCHEDULE

VALUATION AND QUALIFYING ACCOUNTS

(In millions)

	Balance at		Charged to		Deduction			Currency		Balance at
	Beginning of		Cost and		from			Translation		End of
	the Period		Expense		Reserves			Adjustments		the Period
Allowance for doubtful accounts:
Year ended December 31, 2020	$	5.3	$	0.2	$	(1.1)	(a)	$	1.4	$	5.8
Year ended December 31, 2019		6.1		(0.7)		(0.2)	(a)		0.1		5.3
Year ended December 31, 2018		5.6		0.6		(0.4)	(a)		0.3		6.1
Tax valuation allowances:
Year ended December 31, 2020	$	218.0	$	(1.4)	$	—		$	3.9	$	220.5
Year ended December 31, 2019		167.6		50.4		—			—		218.0
Year ended December 31, 2018		149.6		19.5		(0.9)			(0.6)		167.6

(a) Amounts written off, net of recoveries.