X0306 4 2020-05-12 0 0001018963 ALLEGHENY TECHNOLOGIES INC ATI 0001194846 ROHR JAMES E 1000 SIX PPG PLACE PITTSBURGH PA 15222 1 0 0 0 Common Stock, par value $0.10 per share 2020-05-12 4 A 0 23251 0.00 A 66968.2772 D Common Stock, par value $0.10 per share 29531 I By Trust Annual Director award granted under the Issuer's 2020 Incentive Plan as part of the Issuer's Director compensation program. Includes 13,577 shares representing Mr. Rohr's annual director award and 9,674 shares that Mr. Rohr elected, in December 2019, to receive in lieu of his 2020 cash retainer. Annual Director award granted under the Issuer's 2020 Incentive Plan as part of the Issuer's Director compensation program. Elliot S. Davis, Attorney-in-Fact for James E. Rohr 2020-05-14