X0508 4 2025-09-30 0000024741 CORNING INC /NY GLW 0001323968 Musser Eric S ONE RIVERFRONT PLAZA CORNING NY 14831 1 Retired President 0 Common Stock 2025-09-30 4 M 0 525 0 A 145195 D Common Stock 2025-09-30 4 F 0 269 82.03 D 144926 D Common Stock 2025-09-30 4 M 0 1132 0 A 146058 D Common Stock 2025-09-30 4 F 0 1132 82.03 D 144926 D Performance Share Unit Common Stock 45305 45305 D Performance Share Unit Common Stock 37864 37864 D Restricted Stock Unit Common Stock 41835 41835 D Restricted Stock Unit Common Stock 38983 38983 D Performance Share Unit 2025-09-30 4 M 0 525 0 D Common Stock 525 0 D Restricted Stock Unit 2025-09-30 4 M 0 1132 0 D Common Stock 1132 23572 D Each performance share unit represents a contingent right to receive one share of Corning Incorporated common stock. Earned PSUs remain restricted until April 15, 2026, when they vest and convert to common stock, subject to service-based vesting requirement. Earned PSUs remain restricted until April 15, 2027, when they vest and convert to common stock, subject to service-based vesting requirement. 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 15, 2026. Events such as retirement, death, disability, and others specified in the agreement may result in vesting prior to the vesting date. Performance Share Units (PSU) vested on 9/30/25 pursuant to the 2/8/23 agreement. The balance represents the forfeiture of 2,622 PSUs at retirement. 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 balance represents the forfeiture of 8,234 RSUs at retirement. Melissa J. Gambol, Power of Attorney 2025-10-02