X0508 4 2026-02-04 0000024741 CORNING INC /NY GLW 0001658538 Schlesinger Edward A ONE RIVERFRONT PLAZA CORNING NY 14831 1 Exec. Vice President and CFO 0 Common Stock 2026-02-04 4 M 0 623 0 A 55403 D Common Stock 2026-02-04 4 M 0 564 0 A 55967 D Common Stock 2026-02-04 4 M 0 793 0 A 56760 D Common Stock 2026-02-04 4 F 0 1980 109.69 D 54780 D Performance Share Unit Common Stock 1415 1415 D Performance Share Unit 2026-02-04 4 A 0 17576 0 A Common Stock 17576 17576 D Performance Share Unit 2026-02-04 4 A 0 15910 0 A Common Stock 15910 35839 D Performance Share Unit 2026-02-04 4 A 0 22362 0 A Common Stock 22362 44774 D Performance Share Unit 2026-02-04 4 M 0 623 0 D Common Stock 623 16953 D Performance Share Unit 2026-02-04 4 M 0 564 0 D Common Stock 564 35275 D Performance Share Unit 2026-02-04 4 M 0 793 0 D Common Stock 793 43981 D Each performance share unit represents a contingent right to receive one share of Corning Incorporated common stock. The performance share units (PSUs) earned February 7, 2024 will vest 1/3 after 1 year from the February 8, 2023 grant date and 1/6 every 6 months thereafter until fully vested on the third anniversary of the grant date. 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