CORNING INC /NY — Director's Dealing 2025

Feb 6, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: CORNING INC /NY (GLW)
CIK: 0000024741
Period of Report: 2025-02-04

Reporting Person: Musser Eric S (President and COO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-02-04	Common Stock	M	1392	—	Acquired	154336	Direct
2025-02-04	Common Stock	M	1301	—	Acquired	155637	Direct
2025-02-04	Common Stock	M	1416	—	Acquired	157053	Direct
2025-02-04	Common Stock	F	4109	$52.04	Disposed	152944	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2025-02-04	Performance Share Unit	$	A	39256	Acquired		Common Stock (39256)	Direct
2025-02-04	Performance Share Unit	$	A	36696	Acquired		Common Stock (36696)	Direct
2025-02-04	Performance Share Unit	$	A	39946	Acquired		Common Stock (39946)	Direct
2025-02-04	Performance Share Unit	$	M	1392	Disposed		Common Stock (1392)	Direct
2025-02-04	Performance Share Unit	$	M	1301	Disposed		Common Stock (1301)	Direct
2025-02-04	Performance Share Unit	$	M	1416	Disposed		Common Stock (1416)	Direct

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Performance Share Unit	$		Common Stock (9441)	9441	Direct

Footnotes

F1: Each performance share unit represents a contingent right to receive one share of Corning Incorporated common stock.

F2: 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.

F3: Performance share units (PSUs) were earned February 4, 2025 per Compensation Committee decision that performance criteria were satisfied for fiscal year 2024 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.

F4: Performance share units (PSUs) were earned February 4, 2025 per Compensation Committee decision that performance criteria were satisfied for fiscal year 2024 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.

F5: Performance share units (PSUs) were earned February 4, 2025 per Compensation Committee decision that performance criteria were satisfied for fiscal year 2024 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.

F6: Vesting to satisfy tax requirement pursuant to the 2024 agreement.

F7: Vesting to satisfy tax requirement pursuant to the 2023 agreement.

F8: Vesting to satisfy tax requirement pursuant to the 2022 agreement.