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 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 * Oberbeck Christian L   2. Issuer Name and Ticker or Trading Symbol Koppers Holdings Inc. [KOP] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) __X__ Director _____ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) KOPPERS HOLDINGS INC., 436 SEVENTH AVENUE 3. Date of Earliest Transaction (Month/Day/Year) 05/09/2007 (Street) PITTSBURGH, PA 15219 4. If Amendment, Date Original Filed(Month/Day/Year) 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 (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 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, par value $0.01 per share 05/09/2007   J   1,200,795 D (1) (2) 1,200,794 I (1) (2) (3) I (1) (2) (3) Common stock, par value $0.01 per share 05/09/2007   J   56,662 D (1) (2) 64,312 D (1) (2) (3)   Common stock, par value $0.01 per share 05/09/2007   G   787 D (1) (2) 63,525 D (1) (2)

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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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 (Month/Day/Year)

3A. Deemed Execution Date, if any (Month/Day/Year)

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 (Month/Day/Year)

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

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Oberbeck Christian L KOPPERS HOLDINGS INC. 436 SEVENTH AVENUE PITTSBURGH, PA 15219	X

Signatures

/s/ Christian L. Oberbeck		05/11/2007
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 4(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	As of May 8, 2007 Saratoga Partners III, L.P. owed 2,087,661 shares of Koppers Holdings Inc.?s common stock (the ?Common Stock?) and Saratoga Partners III, CV (together with Saratoga Partners III, L.P., the ?Saratoga Funds?) owns 313,928 shares of Common Stock. Saratoga Management Company LLC is the Investment Manager of each of the Saratoga Funds and has investment and voting control over the shares of Common Stock held by each of the Saratoga Funds. Mr. Oberbeck is a Managing Director of Saratoga Management Company LLC and may be deemed to share beneficial ownership of the Common Stock controlled by Saratoga Management Company LLC.
(2)	[footnote 1 continued] On May 9, 2007, Saratoga Partners III, L.P. distributed 1,043,831 shares of Common Stock, on a pro rata basis, to its general partner and limited partners and Saratoga Partners III, CV distributed 156,964 shares of Common Stock, on a pro rata basis, to its general partner and limited partners, resulting in the disposition of 1,200,795 shares of Common Stock reported as beneficially owned by Mr. Oberbeck in the table above. Mr. Oberbeck then directly received 8,005 shares in a distribution from the general partner of Saratoga Partners III, L.P. and 48,567 shares in a distribution from the general partner of Saratoga Partners III, CV, bringing his total direct ownership of Common Stock to 64,312 shares. Mr. Oberbeck then donated 118 shares of Common Stock to the Greenwich Country Day School and 669 shares to the Brunswick School, decreasing the amount of shares of Common Stock he directly owns to 63,525.
(3)	Pursuant to Rule 16a-1(a)(4) of the Securities Exchange Act of 1934, as amended, Mr. Oberbeck herein disclaims beneficial ownership of any of the shares of Common Stock he indirectly owns, except to the extent of his pecuniary interest in such shares of Common Stock.

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