Debt (Tables)

6 Months Ended

Jun. 29, 2025

Debt at June 29, 2025 and December 29, 2024 was as follows (in millions):


	June 29, 2025		December 29, 2024
ATI Inc. 7.25% Notes due 2030	$	425.0	$	425.0
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
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	—		—
Finance leases and other	102.9		109.5
Debt issuance costs	(12.9)		(14.2)
Debt	1,890.0		1,895.3
Short-term debt and current portion of long-term debt	179.3		180.4
Long-term debt	$	1,710.7	$	1,714.9

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