X0306 4 2023-01-05 0000024741 CORNING INC /NY GLW 0001206158 WEEKS WENDELL P ONE RIVERFRONT PLAZA CORNING NY 14831 1 1 Chairman and CEO Common Stock 2023-01-05 4 M 0 3910 0 A 687011 D Common Stock 2023-01-05 4 F 0 3910 34.39 D 683101 D Common Stock 9200 I Held by Wife Common Stock 6580.6784 I Held By Wife - Emp. Ben. Plan Common Stock 10846.7734 I Trustee U/employee Benefit Plan Restricted Stock Unit Common Stock 147612 147612 D Restricted Stock Unit Common Stock 76375 76375 D Restricted Stock Unit Common Stock 2902 2902 D Restricted Stock Unit 2023-01-05 4 M 0 3910 0 D Common Stock 3910 100463 D Each Restricted Stock Unit represents a contingent right to receive one share of Corning Incorporated Common Stock. Ownership has been updated to reflect the transfer of 627,802 shares of Common Stock that the reporting person held indirectly by trust, into a directly held account. Ownership has been updated to reflect the transfer of 9,200 shares of Common Stock that the reporting person's wife held indirectly by trust, into an account directly held by wife. The Reporting Person disclaims beneficial ownership of all securities held by wife. Vesting to satisfy tax requirement pursuant to the 2022 agreement. The Restricted Stock Units vest 100% on April 14, 2023. Events such as retirement, death, disability, and others specified in the agreement may result in vesting prior to April 14, 2023. The Restricted Stock Units vest 100% on April 15, 2024. Events such as retirement, death, disability, and others specified in the agreement may result in vesting prior to April 15, 2024. The Restricted Stock Units vest ratably over three years from grant date. Events such as retirement, death, disability, and others specified in the agreement may result in vesting prior to the vesting dates. Linda E. Jolly, Power of Attorney 2023-01-09