X0609 4 2026-04-01 0000024741 CORNING INC /NY GLW 0001206158 WEEKS WENDELL P false ONE RIVERFRONT PLAZA CORNING NY 14831 1 1 Chairman, CEO and President 0 Common Stock 733891 D Common Stock 9200 I Held by Spouse Common Stock 7135.8671 I Held By Spouse - Emp. Ben. Plan Common Stock 11762.8659 I Trustee U/employee Benefit Plan Restricted Stock Unit Common Stock 111863 111863 D Restricted Stock Unit Common Stock 86634 86634 D Restricted Stock Unit Common Stock 104474 104474 D Restricted Stock Unit 2026-04-01 4 A 0 30868 0 A Common Stock 30868 30868 D The reporting person disclaims beneficial ownership of all securities held by spouse. Ownership is represented by units held in a unitized stock fund through the issuer's 401(k) retirement plan as of March 31, 2026. Each restricted stock unit represents a contingent right to receive one share of Corning Incorporated common stock. The restricted stock units (RSUs) vest 100% on April 15, 2027. Events such as retirement, death, disability, and others specified in the agreement may result in vesting prior to the vesting date. The restricted stock units (RSUs) vest 100% on April 14, 2028. Events such as retirement, death, disability, and others specified in the agreement may result in vesting prior to the vesting date. The restricted stock units (RSUs) vest 100% on April 15, 2026. Events such as retirement, death, disability, and others specified in the agreement may result in vesting prior to the vesting date. The restricted stock units (RSUs) vest 100% on April 16, 2029. Events such as retirement, death, disability, and others specified in the agreement may result in vesting prior to the vesting date. Melissa J. Gambol, Power of Attorney 2026-04-02