Sec Form 4 Filing - Becker Stefan @ CORNING INC /NY - 2023-02-08

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person Becker Stefan 2. Issuer Name and Ticker or Trading Symbol CORNING INC /NY [ GLW] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) Senior VP & Controller (Last) (First) (Middle) ONE RIVERFRONT PLAZA 3. Date of Earliest Transaction (MM/DD/YY) 02/08/2023 (Street) CORNING, NY14831 4. If Amendment, Date Original Filed (MM/DD/YY) 6. Individual or Joint/Group Filing (Check Applicable Line) __ X __ Form filed by One Reporting Person _____ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock 10,019 D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5) 6. Date Exercisable and Expiration Date (MM/DD/YY) 7. Title and Amount of Underlying Securities (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4) Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares Restricted Stock Unit ( 1 ) ( 2 ) ( 2 ) Common Stock 9,419 9,419 D Restricted Stock Unit ( 1 ) ( 3 ) ( 3 ) Common Stock 6,138 6,138 D Restricted Stock Unit ( 1 ) ( 4 ) ( 4 ) Common Stock 13,201 13,201 D Restricted Stock Unit ( 1 ) ( 5 ) ( 5 ) Common Stock 3,574 3,574 D Restricted Stock Unit ( 1 ) ( 5 ) ( 5 ) Common Stock 563 563 D Restricted Stock Unit ( 1 ) 02/08/2023 A 3,945 ( 6 ) ( 7 ) ( 7 ) Common Stock 3,945 $ 0 3,945 D Restricted Stock Unit ( 1 ) 02/08/2023 A 12,657 ( 8 ) ( 9 ) ( 9 ) Common Stock 12,657 $ 0 12,657 D Performance Share Unit ( 10 ) 02/08/2023 A 2,911 ( 11 ) ( 11 ) Common Stock 2,911 $ 0 2,911 D Performance Share Unit ( 10 ) 02/08/2023 A 1,353 ( 12 ) ( 12 ) Common Stock 1,353 $ 0 6,187 D Performance Share Unit ( 10 ) 02/08/2023 A 5,892 ( 13 ) ( 13 ) Common Stock 5,892 $ 0 20,982 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Becker Stefan ONE RIVERFRONT PLAZA CORNING, NY14831 Senior VP & Controller Signatures Linda E. Jolly, Power of Attorney 02/10/2023 Signature of Reporting Person Date

Explanation of Responses:

( 1 )Each restricted stock unit represents a contingent right to receive one share of Corning Incorporated common stock. ( 2 )The restricted stock units (RSUs) vest 100% on April 14, 2023. Events such as retirement, death, disability, and others specified in the agreement may result in vesting prior to the vesting date. ( 3 )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. ( 4 )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. ( 5 )The restricted stock units will vest on May 15, 2023. Events such as retirement, death, disability, and others specified in the May 2020 agreement may result in vesting prior to the vesting date. ( 6 )Employees were provided an opportunity to voluntarily exchange a portion of their compensation for the first six months of 2023 for restricted stock units (RSUs). The reporting person exchanged $105,000 of their cash compensation for 3,945 RSUs. ( 7 )The restricted stock units (RSUs) vest 2/3 after 1 year and 1/3 after 18 months from the grant date. ( 8 )The reporting person was granted restricted stock units (RSUs) in lieu of the cash payment to be paid under the 2023 performance incentive plan (PIP). The reporting person was granted 12,657 RSUs in exchange for the cash payment of $367,500 under the PIP. ( 9 )The restricted stock units (RSUs) vest 1/3 after 1 year from grant date and 1/6 every 6 months thereafter until fully vested on the third anniversary of the grant date. ( 10 )Each performance share unit represents a contingent right to receive one share of Corning Incorporated common stock. ( 11 )Performance share units (PSUs) were earned February 8, 2023 per Compensation Committee decision that performance criteria were satisfied for fiscal year 2022 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. ( 12 )Performance share units (PSUs) were earned February 8, 2023 per Compensation Committee decision that performance criteria were satisfied for fiscal year 2022 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. ( 13 )Performance share units (PSUs) were earned February 8, 2023 per Compensation Committee decision that performance criteria were satisfied for fiscal year 2022 pursuant to the 2020 agreement. Earned PSUs remain restricted until April 14, 2023, when they vest and convert to common stock, subject to service-based vesting requirement.

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).

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