CORNING INC /NY — Director's Dealing 2021

Apr 1, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: CORNING INC /NY (GLW)
CIK: 0000024741
Period of Report: 2021-03-31

Reporting Person: Morse David L (Exec. VP & Chief Tech. Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-03-31	Common Stock	M	14	—	Acquired	514	Indirect
2021-03-31	Common Stock	M	4	—	Acquired	518	Indirect
2021-03-31	Common Stock	F	8	$43.51	Disposed	510	Indirect

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2021-03-31	Restricted Stock Unit	$	M	14	Disposed		Common Stock (14)	Indirect
2021-03-31	Restricted Stock Unit	$	M	4	Disposed		Common Stock (4)	Indirect
2021-03-31	Restricted Stock Unit	$	D	38	Disposed		Common Stock (38)	Indirect
2021-03-31	Restricted Stock Unit	$	D	11	Disposed		Common Stock (11)	Indirect

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	55300	Direct

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Restricted Stock Unit	$		Common Stock (19777)	19777	Direct
Restricted Stock Unit	$		Common Stock (16749)	16749	Direct
Restricted Stock Unit	$		Common Stock (36142)	36142	Direct
Restricted Stock Unit	$		Common Stock (3185)	3185	Direct

Footnotes

F1: Each restricted stock unit represents a contingent right to receive one share of Corning Incorporated Common Stock.

F2: The Reporting Person disclaims beneficial ownership of all securities held by spouse.

F3: Earned Restricted Stock Units awarded May 15, 2020 remained restricted until March 31, 2021, when they vested and converted into GLW common stock per terms of May 2020 agreement approved by the Compensation Committee.

F4: Represents the forfeiture of Restricted Stock Units awarded May 15, 2020, per terms of the May 2020 agreement approved by the Compensation Committee.

F5: Restricted Stock Units awarded May 15, 2020 were forfeited on March 31, 2021 per terms of May 2020 agreement approved by the Compensation Committee.

F6: Not applicable.

F7: The Restricted Stock Units vest 100% on April 15, 2021. Vested shares will be delivered to the reporting person within thirty (30) days after April 15, 2021. Events such as retirement, death, disability, and others specified in the agreement may result in vesting prior to April 15, 2021.

F8: The Restricted Stock Units vest 100% on April 15, 2022. Vested shares will be delivered to the reporting person within thirty (30) days after April 15, 2022. Events such as retirement, death, disability, and others specified in the agreement may result in vesting prior to April 15, 2022.

F9: The Restricted Stock Units vest 100% on April 14, 2023. Vested shares will be delivered to the reporting person within thirty (30) days after April 14, 2023. Events such as retirement, death, disability, and others specified in the agreement may result in vesting prior to April 14, 2023.

F10: The restricted stock units will vest ratably over three years from grant date. Vested shares will be delivered to the reporting person within sixty (60) days after vesting. Events such as retirement, death, disability, and others specified in the agreement may result in vesting prior to the vesting dates.