X0306 4 2022-02-02 0000024741 CORNING INC /NY GLW 0001825618 Zhang John Z ONE RIVERFRONT PLAZA CORNING NY 14831 1 Senior VP & GM, Display Common Stock 2022-02-04 4 M 0 13320 27.03 A 17975 D Common Stock 2022-02-04 4 S 0 13320 42.0115 D 4655 D Performance Share Unit 2022-02-02 4 A 0 13599 0 A Common Stock 13599 27664 D Performance Share Unit 2022-02-02 4 A 0 7518 0 A Common Stock 7518 7518 D Stock Options (Right to Buy) 27.03 2022-02-04 4 M 0 13320 0 D 2021-04-02 2028-04-02 Common Stock 13320 0 D The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $42.01 to $42.02, inclusive. The reporting person undertakes to provide to Corning Incorporated, any security holder of Corning Incorporated, or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth previously in this footnote. Each Performance Share Unit represents a contingent right to receive one share of GLW common stock. Performance Share Units were earned February 2, 2022 per Compensation Committee decision that performance criteria were satisfied for fiscal year 2021 pursuant to the 2020 agreement. Earned units remain restricted until April 14, 2023, when they vest and convert to GLW common stock, subject to service-based vesting requirement. Performance Share Units were earned February 2, 2022 per Compensation Committee decision that performance criteria were satisfied for fiscal year 2021 pursuant to the 2021 agreement. Earned units remain restricted until April 15, 2024, when they vest and convert to GLW common stock, subject to service-based vesting requirement. Linda E. Jolly, Power of Attorney 2022-02-04