ATI INC — Director's Dealing 2024

May 23, 2024

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: ATI INC (ATI)
CIK: 0001018963
Period of Report: 2024-05-21

Reporting Person: Hess David P (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2024-05-21	Common Stock, par value $0.10 per share	A	2054	$0.00	Acquired	30531	Direct

Footnotes

F1: Annual award of restricted stock granted under the Issuer's 2022 Incentive Plan as part of the Issuer's Director compensation program. The award vests on the first anniversary of the grant date.

F2: Annual award granted under the Issuer's 2022 Incentive Plan as part of the Issuer's Director compensation program.