Schedule II Nov Inc. Valuation and Qualifying Accounts

12 Months Ended

Dec. 31, 2021

SCHEDULE II

NOV INC.

VALUATION AND QUALIFYING ACCOUNTS

Years Ended December 31, 2021, 2020 and 2019

(in millions)

	Balance beginning of year		Additions (Deductions) charged to costs and expenses			Charge off's and other			Balance end of year
Allowance for doubtful accounts:
2021	$	100	$	5		$	(17	)	$	88
2020		132		7			(39	)		100
2019		161		21			(50	)		132
Reserve for excess and obsolete inventories:
2021	$	577	$	73		$	(206	)	$	444
2020		843		367			(633	)		577
2019		644		659			(460	)		843
Valuation allowance for deferred tax assets:
2021	$	1,093	$	31		$	3		$	1,127
2020		1,175		(83	)		1			1,093
2019		955		218			2			1,175
Environmental accruals
2021	$	90	$	12		$	(24	)	$	78
2020		104		13			(27	)		90
2019		66		57			(19	)		104
Warranty reserve:
2021	$	87	$	15		$	(29	)	$	73
2020		90		22			(25	)		87
2019		105		41			(56	)		90