X0508 4 2024-02-08 0000024741 CORNING INC /NY GLW 0001206158 WEEKS WENDELL P ONE RIVERFRONT PLAZA CORNING NY 14831 1 1 Chairman and CEO 0 Common Stock 2024-02-08 4 M 0 7194 0 A 854668 D Common Stock 2024-02-08 4 M 0 11465 0 A 866133 D Common Stock 2024-02-08 4 F 0 6728 31.73 D 859405 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 Common Stock 109576 109576 D Performance Share Unit Common Stock 47567 47567 D Performance Share Unit Common Stock 26393 26393 D Restricted Stock Unit Common Stock 76375 76375 D Restricted Stock Unit Common Stock 100463 100463 D Restricted Stock Unit Common Stock 104474 104474 D Restricted Stock Unit 2024-02-08 4 M 0 7194 0 D Common Stock 7194 3598 D Performance Share Unit 2024-02-08 4 M 0 11465 0 D Common Stock 11465 22932 D 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. Each performance share unit represents a contingent right to receive one share of Corning Incorporated common stock. 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. 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 2023 agreement. Earned PSUs remain restricted until April 15, 2026, when they vest 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 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 (RSUs) vest 100% on April 15, 2026. 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) granted on February 8, 2023 will vest 2/3 after 1 year and 1/3 after 18 months from the grant date. 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. Linda E. Jolly, Power of Attorney 2024-02-12