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EX-21.1 5 fy202410k211.htm EX-21.1 ATI INC - Subsidiaries of the Registrant (filed herewith).

Exhibit 21.1
SUBSIDIARIES OF THE REGISTRANT
The following lists the subsidiaries of ATI Inc., excluding those subsidiaries which, considered in the aggregate as a single subsidiary, do not constitute a significant subsidiary.
Name of SubsidiaryState or Country of Incorporation
Allegheny Ludlum, LLCPennsylvania
ATI Specialty Rolled Products Holdings LLCPennsylvania
ATI Ladish LLCWisconsin
ATI Operating Holdings, LLCDelaware
ATI Properties, Inc.Delaware
ATI Specialty Materials, LLCPennsylvania
ATI Specialty Alloys & Components, LLCDelaware