ATI INC — Director's Dealing 2025

Jan 7, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: ATI INC (ATI)
CIK: 0001018963
Period of Report: 2025-01-03

Reporting Person: Miller Michael Benjamin (N/A)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-01-03	Common Stock, par value $0.10 per share	A	1176	—	Acquired	8151	Direct
2025-01-03	Common Stock, par value $0.10 per share	F	166	$55.81	Disposed	7985	Direct

Footnotes

F1: Award of restricted stock units, which are settled in shares of stock upon vesting. The award vests in three equal annual installments on each of the first three anniversaries of the grant date.

F2: Awarded under the Issuer's 2022 Incentive Plan

F3: Shares withheld for payment of taxes on restricted stock units awarded in 2024. One third of such award vested by its terms on January 3, 2025.

F4: Represents the average of the high and low trading prices for one share of the Issuer's common stock on the New York Stock Exchange on January 3, 2025.