X0508 4 2026-02-04 0000024741 CORNING INC /NY GLW 0002096996 Gullo Michelle L 1 RIVERFRONT PLAZA CORNING NY 14831 1 Senior Vice President & CHRO 0 Common Stock 2026-02-04 4 M 0 98 0 A 36098 D Common Stock 2026-02-04 4 M 0 119 0 A 36217 D Common Stock 2026-02-04 4 M 0 169 0 A 36386 D Common Stock 2026-02-04 4 F 0 386 109.69 D 36000 D Performance Share Unit 2026-02-04 4 A 0 2740 0 A Common Stock 2740 2740 D Performance Share Unit 2026-02-04 4 A 0 3340 0 A Common Stock 3340 7523 D Performance Share Unit 2026-02-04 4 A 0 4759 0 A Common Stock 4759 9525 D Performance Share Unit 2026-02-04 4 M 0 98 0 D Common Stock 98 2642 D Performance Share Unit 2026-02-04 4 M 0 119 0 D Common Stock 119 7404 D Performance Share Unit 2026-02-04 4 M 0 169 0 D Common Stock 169 9356 D Each performance share unit represents a contingent right to receive one share of Corning Incorporated common stock. 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. 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. Melissa J. Gambol, Power of Attorney 2026-02-06