X0508 4 2026-02-04 0000024741 CORNING INC /NY GLW 0001323968 Musser Eric S ONE RIVERFRONT PLAZA CORNING NY 14831 1 Retired President 0 Common Stock 2026-02-04 4 M 0 610 0 A 20536 D Common Stock 2026-02-04 4 M 0 1072 0 A 21608 D Common Stock 2026-02-04 4 M 0 1602 0 A 23210 D Common Stock 2026-02-04 4 F 0 3284 109.69 D 19926 D Performance Share Unit 2026-02-04 4 M 0 610 0 D Common Stock 610 16510 D Performance Share Unit 2026-02-04 4 M 0 1072 0 D Common Stock 1072 67019 D Performance Share Unit 2026-02-04 4 M 0 1602 0 D Common Stock 1602 88899 D Performance Share Unit 2026-02-04 4 A 0 17120 0 A Common Stock 17120 17120 D Performance Share Unit 2026-02-04 4 A 0 30227 0 A Common Stock 30227 68091 D Performance Share Unit 2026-02-04 4 A 0 45196 0 A Common Stock 45196 90501 D Each performance share unit represents a contingent right to receive one share of Corning Incorporated common stock. Vesting to satisfy tax requirement pursuant to the 2025 agreement. Vesting to satisfy tax requirement pursuant to the 2024 agreement. Vesting to satisfy tax requirement pursuant to the 2023 agreement. Performance share units (PSUs) were earned February 4, 2026 per Compensation Committee decision that performance criteria were satisfied for fiscal year 2025 pursuant to the 2025 agreement. Earned PSUs remain restricted until April 14, 2028, when they vest and convert to common stock, subject to service-based vesting requirement. Performance share units (PSUs) were earned February 4, 2026 per Compensation Committee decision that performance criteria were satisfied for fiscal year 2025 pursuant to the 2024 agreement. Earned PSUs remain restricted until April 15, 2027, when they vest and convert to common stock, subject to service-based vesting requirement. Performance share units (PSUs) were earned February 4, 2026 per Compensation Committee decision that performance criteria were satisfied for fiscal year 2025 pursuant to the 2023 agreement. Earned PSUs remain restricted until April 15, 2026, when they vest and convert to common stock, subject to service-based vesting requirement. Melissa J. Gambol, Power of Attorney 2026-02-06