X0306 4 2023-02-08 0000024741 CORNING INC /NY GLW 0001323968 Musser Eric S ONE RIVERFRONT PLAZA CORNING NY 14831 1 President and COO Common Stock 2023-02-08 4 M 0 307 A 104700 D Common Stock 2023-02-08 4 M 0 219 A 104919 D Common Stock 2023-02-08 4 M 0 959 A 105878 D Common Stock 2023-02-08 4 F 0 1485 35.14 D 104393 D Performance Share Unit Common Stock 12570 12570 D Restricted Stock Unit Common Stock 41536 41536 D Restricted Stock Unit Common Stock 26703 26703 D Restricted Stock Unit Common Stock 37518 37518 D Restricted Stock Unit Common Stock 1257 1257 D Restricted Stock Unit 2023-02-08 4 A 0 6347 0 A Common Stock 6347 6347 D Performance Share Unit 2023-02-08 4 A 0 8642 0 A Common Stock 8642 8642 D Performance Share Unit 2023-02-08 4 A 0 6165 0 A Common Stock 6165 27403 D Performance Share Unit 2023-02-08 4 A 0 27054 0 A Common Stock 27054 93926 D Performance Share Unit 2023-02-08 4 M 0 307 D Common Stock 307 8335 D Performance Share Unit 2023-02-08 4 M 0 219 D Common Stock 219 27184 D Performance Share Unit 2023-02-08 4 M 0 959 D Common Stock 959 92967 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 3, 2021 per Compensation Committee decision that performance criteria were satisfied for fiscal year 2020 pursuant to the 2020 agreement. Earned PSUs remain restricted until vesting. The earned units will vest ratably over 3 years from the grant date 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 14, 2023. 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, 2024. 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, 2025. 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 will vest on May 15, 2023. Events such as retirement, death, disability, and others specified in the May 2020 agreement may result in vesting prior to the vesting date. Employees were provided an opportunity to voluntarily exchange a portion of their compensation for the first six months of 2023 for restricted stock units (RSUs). The reporting person exchanged $185,860 of their cash compensation for 6,347 RSUs. The restricted stock units (RSUs) vest 2/3 after 1 year and 1/3 after 18 months from the grant date. Performance share units (PSUs) were earned February 8, 2023 per Compensation Committee decision that performance criteria were satisfied for fiscal year 2022 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 8, 2023 per Compensation Committee decision that performance criteria were satisfied for fiscal year 2022 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. Performance share units (PSUs) were earned February 8, 2023 per Compensation Committee decision that performance criteria were satisfied for fiscal year 2022 pursuant to the 2020 agreement. Earned PSUs remain restricted until April 14, 2023, when they vest and convert to common stock, subject to service-based vesting requirement. Linda E. Jolly, Power of Attorney 2023-02-10