X0508 4 2024-02-07 0000024741 CORNING INC /NY GLW 0001206158 WEEKS WENDELL P ONE RIVERFRONT PLAZA CORNING NY 14831 1 1 Chairman and CEO 0 Common Stock 2024-02-07 4 M 0 970 0 A 848444 D Common Stock 2024-02-07 4 M 0 933 0 A 849377 D Common Stock 2024-02-07 4 M 0 1189 0 A 850566 D Common Stock 2024-02-07 4 F 0 3092 31.79 D 847474 D Common Stock 9200 I Held by Spouse Common Stock 6806.3147 I Held By Spouse - Emp. Ben. Plan Common Stock 11219.0848 I Trustee U/employee Benefit Plan Performance Share Unit 2024-02-07 4 A 0 27363 0 A Common Stock 27363 27363 D Performance Share Unit 2024-02-07 4 A 0 34397 0 A Common Stock 34397 34397 D Performance Share Unit 2024-02-07 4 A 0 26302 0 A Common Stock 26302 48500 D Performance Share Unit 2024-02-07 4 A 0 33517 0 A Common Stock 33517 110765 D Performance Share Unit 2024-02-07 4 M 0 970 0 D Common Stock 970 26393 D Performance Share Unit 2024-02-07 4 M 0 933 0 D Common Stock 933 47567 D Performance Share Unit 2024-02-07 4 M 0 1189 0 D Common Stock 1189 109576 D Each performance share unit represents a contingent right to receive one share of Corning Incorporated common stock. 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 January 31, 2024. Performance share units (PSUs) were earned February 7, 2024 per Compensation Committee decision that performance criteria were satisfied for fiscal year 2023 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. Performance share units (PSUs) were earned February 7, 2024 per Compensation Committee decision that performance criteria were satisfied for fiscal year 2023 pursuant to the 2023 agreement. Earned PSUs remain restricted until vesting. The earned units 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 7, 2024 per Compensation Committee decision that performance criteria were satisfied for fiscal year 2023 pursuant to the 2022 agreement. Earned PSUs remain restricted until April 15, 2025, when they vest and convert to common stock, subject to service-based vesting requirement. Performance share units (PSUs) were earned February 7, 2024 per Compensation Committee decision that performance criteria were satisfied for fiscal year 2023 pursuant to the 2021 agreement. Earned PSUs remain restricted until April 15, 2024, when they vest and convert to common stock, subject to service-based vesting requirement. Vesting to satisfy tax requirement pursuant to the 2023 agreement. Vesting to satisfy tax requirement pursuant to the 2022 agreement. Vesting to satisfy tax requirement pursuant to the 2021 agreement. Linda E. Jolly, Power of Attorney 2024-02-08