Statement of Changes in Beneficial Ownership (4)

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 OF SECURITIES
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Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

1. Name and Address of Reporting Person ^* Hyde Leslie S	2. Issuer Name and Ticker or Trading Symbol Koppers Holdings Inc. [ KOP ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) SVP, Chief Sustainability Offi
(Last) (First) (Middle) 436 SEVENTH AVENUE	3. Date of Earliest Transaction (MM/DD/YYYY) 3/3/2020
(Street) PITTSBURGH, PA 15219 (City) (State) (Zip)	4. If Amendment, Date Original Filed (MM/DD/YYYY)	6. Individual or Joint/Group Filing (Check Applicable Line) _X _ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security (Instr. 3)	2. Trans. Date	2A. Deemed Execution Date, if any	3. Trans. 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)
1.Title of Security (Instr. 3)	2. Trans. Date	2A. Deemed Execution Date, if any	Code	V	Amount	(A) or (D)	Price		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
Common Stock	3/3/2020		M		2662	A	⁽¹⁾	34750.4181	D
Common Stock	3/3/2020		M		266	A	⁽¹⁾	35016.4181	D
Common Stock	3/3/2020		F⁽²⁾		1415	D	$19.63	33601.4181	D
Common Stock ⁽³⁾	3/3/2020		A		266	A	$0.00	33867.4181	D

*Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)*
1. Title of Derivate Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Trans. Date	3A. Deemed Execution Date, if any	4. Trans. 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		7. Title and Amount of Securities Underlying Derivative Security (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)
1. Title of Derivate Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Trans. Date	3A. Deemed Execution Date, if any	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	8. Price of Derivative Security (Instr. 5)			11. Nature of Indirect Beneficial Ownership (Instr. 4)
Restricted Stock Units	⁽¹⁾	3/3/2020		M			2662	⁽⁴⁾	⁽⁴⁾	Common Stock	2662	$0.00	0	D
Restricted Stock Units	⁽¹⁾	3/3/2020		M			266	⁽⁵⁾	⁽⁵⁾	Common Stock	266	$0.00	266	D
Employee Stock Options (Right to Buy)	$19.63	3/3/2020		A		14441		⁽⁶⁾	3/3/2030	Common Stock	14441	$0.00	14441	D

Explanation of Responses:
(1)	Restricted stock units convert into common stock on a one-for-one basis.
(2)	Shares surrendered to the issuer by the reporting person as payment for tax withholding related to the vesting of time-based restricted stock units and performance share units.
(3)	The reporting person was awarded time-based restricted stock units on March 3, 2020, which will vest in annual installments of 25 percent over four years.
(4)	Represents previously granted performance share units for which the performance criteria for the three-year performance period from January 1, 2017 through December 31, 2019 have been satisfied, as reported in the reporting person's Form 4 filed on February 13, 2020, as amended on February 18, 2020.
(5)	On March 3, 2017, the reporting person was granted restricted stock units, vesting in four equal annual installments beginning on the first anniversary of the grant date.
(6)	The reporting person was granted stock options on March 3, 2020, which will vest in annual installments of 25 percent over four years.

Reporting Owners
Reporting Owner Name / Address	Relationships
Reporting Owner Name / Address	Director	10% Owner	Officer	Other
Hyde Leslie S 436 SEVENTH AVENUE PITTSBURGH, PA 15219			SVP, Chief Sustainability Offi