CORNING INC /NY — Director's Dealing 2021

May 19, 2021

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: CORNING INC /NY (GLW)
CIK: 0000024741
Period of Report: 2021-05-17

Reporting Person: Bell Michael Alan (Senior VP & GM, Optical Comm.)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2021-05-17	Common Stock	M	3084	$19.65	Acquired	7976	Direct
2021-05-17	Common Stock	S	3084	$44.0217	Disposed	4892	Direct
2021-05-17	Common Stock	M	4275	—	Acquired	4275	Direct
2021-05-17	Common Stock	M	617	—	Acquired	4892	Direct
2021-05-17	Common Stock	F	2187	$44.19	Disposed	2705	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2021-05-17	Stock Options (Right to Buy)	$19.65	M	3084	Disposed	2030-05-15	Common Stock (3084)	Direct
2021-05-17	Restricted Stock Unit	$	M	4275	Disposed		Common Stock (4275)	Direct
2021-05-17	Restricted Stock Unit	$	M	617	Disposed		Common Stock (617)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	667.3774	Indirect

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Restricted Stock Unit	$		Common Stock (5795)	5795	Direct
Restricted Stock Unit	$		Common Stock (12681)	12681	Direct
Restricted Stock Unit	$		Common Stock (9548)	9548	Direct
Restricted Stock Unit	$		Common Stock (2676)	2676	Direct

Footnotes

F1: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $43.635 to $44.27, 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.

F2: On December 2, 2020, the Compensation Committee approved the early vesting of one half of the stock options granted on May 15, 2020. The remaining stock options will vest ratably over three years from the grand date.

F3: Each restricted stock unit represents a contingent right to receive one share of Corning Incorporated Common Stock.

F4: The restricted stock units will vest ratably over three years from the May 15, 2020 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.

F5: 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.

F6: 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.

F7: The Restricted Stock Units vest 100% on April 15, 2024. Vested shares will be delivered to the reporting person within thirty (30) days after April 15, 2024. Events such as retirement, death, disability, and others specified in the agreement may result in vesting prior to April 15, 2024.