The operating results of Arconic’s reportable segments were as follows (differences between segment totals and the Company’s consolidated totals for line items not reconciled are in Corporate):


First quarter ended March 31,	Rolled Products		Building and Construction Systems		Extrusions		Total
2022
Sales:
Third-party sales	$	1,804	$	291	$	97	$	2,192
Intersegment sales	12		—		1		13
Total sales	$	1,816	$	291	$	98	$	2,205
Segment Adjusted EBITDA	$	176	$	44	$	(5)	$	215
Provision for depreciation and amortization	$	48	$	4	$	4	$	56
2021
Sales:
Third-party sales	$	1,364	$	236	$	75	$	1,675
Intersegment sales	7		—		—		7
Total sales	$	1,371	$	236	$	75	$	1,682
Segment Adjusted EBITDA	$	165	$	28	$	(4)	$	189
Provision for depreciation and amortization	$	48	$	4	$	6	$	58



First quarter ended March 31,	2022		2021
Total Segment Adjusted EBITDA	$	215	$	189
Unallocated amounts:
Corporate expenses(1)	(9)		(9)
Stock-based compensation expense	(5)		(2)
Metal price lag(2)	(36)		5
Unrealized gains on mark-to-market hedging instruments and derivatives (P)	2		—
Provision for depreciation and amortization	(60)		(63)
Restructuring and other charges (E)	(5)		(1)
Other(3)	(6)		(6)
Operating income	96		113
Interest expense	(25)		(23)
Other expenses, net (F)	(17)		(22)
Provision for income taxes (H)	(12)		(16)
Net income attributable to noncontrolling interest	—		—
Consolidated net income attributable to Arconic Corporation	$	42	$	52

(1)Corporate expenses are composed of general administrative and other expenses of operating the corporate headquarters and other global administrative facilities.

(2)Metal price lag represents the financial impact of the timing difference between when aluminum prices included in Sales are recognized and when aluminum purchase prices included in Cost of goods sold are realized. This adjustment aims to remove the effect of the volatility in metal prices and the calculation of this impact considers applicable metal hedging transactions.

(3)Other includes certain items that impact Cost of goods sold and Selling, general administrative, and other expenses on the Company’s Statement of Consolidated Operations that are not included in Segment Adjusted EBITDA.