Debt (Tables)

3 Months Ended

Mar. 31, 2023

Debt at March 31, 2023 and December 31, 2022 was as follows (in millions):


	March 31, 2023		December 31, 2022
ATI Inc. 5.875% Notes due 2027	350.0		350.0
ATI Inc. 5.125% Notes due 2031	350.0		350.0
ATI Inc. 4.875% Notes due 2029	325.0		325.0
ATI Inc. 3.5% Convertible Senior Notes due 2025	291.4		291.4
Allegheny Ludlum 6.95% Debentures due 2025 (a)	150.0		150.0
ABL Term Loan	200.0		200.0
U.S. revolving credit facility	—		—
Foreign credit facilities	2.9		19.4
Finance leases and other	74.0		79.4
Debt issuance costs	(16.3)		(17.2)
Debt	1,727.0		1,748.0
Short-term debt and current portion of long-term debt	24.9		41.7
Long-term debt	$	1,702.1	$	1,706.3

(a) The payment obligations of these debentures issued by Allegheny Ludlum, LLC are fully and unconditionally guaranteed by ATI.

Interest expense on the 2025 Convertible Notes was as follows:


	Three months ended March 31,
(in millions)	2023		2022
Contractual coupon rate	$	2.5	$	2.5
Amortization of debt issuance costs	0.5		0.4
Total interest expense	$	3.0	$	2.9