Form of Stock Certificate



 Exhibit 4.1 
  

[Vignette] 
 COMMON STOCK 
  
 COMMON STOCK

 KOP 
  
 INCORPORATED UNDER THE LAWS OF THE COMMONWEALTH OF PENNSYLVANIA 
  
 CUSIP 50060P 10 6 
  

SEE REVERSE FOR CERTAIN DEFINITIONS 
  
 Koppers Holdings Inc. 
  
 THIS CERTIFIES THAT 
 IS THE OWNER OF 
 FULL-PAID AND NON-ASSESSABLE SHARES OF THE PAR VALUE OF $.01 EACH OF THE COMMON STOCK OF

  
 Koppers Holdings Inc., transferable on the books of the Corporation by the
holder in person or by duly authorized attorney, upon surrender of this certificate properly endorsed. This certificate and the shares represented hereby are issued and shall be held subject to all of the provisions of the Certificate of
Incorporation, as amended, of the Corporation to all of which the holder by acceptance hereof assents. This certificate is not valid until countersigned by the Transfer Agent and registered by the Registrar. 
  
 Witness the signatures of its duly authorized officers. 
 [Logo] 
 Dated: 
  
 [corporate seal] 
  
  
 FACSIMILE SIGNATURE TO APPEAR HERE 
 [SECRETARY] 
  
  
 FACSIMILE SIGNATURE TO APPEAR HERE 
 [CHIEF
EXECUTIVE OFFICER] 
  
  
 COUNTERSIGNED AND REGISTERED: 
 MELLON INVESTOR SERVICES LLC 
 TRANSFER AGENT 
 AND REGISTRAR 
 BY 
 AUTHORIZED SIGNATURE 







 Koppers Holdings Inc. 
  
 The Corporation will furnish to any shareholder upon request and without charge a statement of the designations, voting rights, preferences,
limitations and special rights of the shares of each class or series authorized to be issued so far as they have been fixed and determined and the authority of the board of directors to fix and determine the designations, voting rights, preferences,
limitations and special rights of the classes and series of shares of the Corporation. 
  
 The following abbreviations, when used in the inscription on the face of this certificate, shall be construed as though they were written out in full according to applicable laws or regulations: 
  
 TEN COM – as tenants in common 
 TEN ENT – as tenants by the entireties 
 JT TEN – as joint tenants
with right 
 of survivorship and not as 
 tenants in common 
  
 UNIF GIFT MIN ACT–
             Custodian             
     (Cust) (Minor) 
 under Uniform Gifts to Minors 
 Act              
 (State) 
 UNIF TRF MIN ACT–
             Custodian (until age             ) 
 (Cust) 
              under Uniform Transfers 
 (Minor) 
 to Minors Act              
 (State) 
 Additional abbreviations may also be used though not
in the above list. 
  
 For value received,
             hereby sell, assign and transfer unto 
 PLEASE INSERT SOCIAL SECURITY OR
OTHER IDENTIFYING NUMBER OF ASSIGNEE 
 (PLEASE PRINT OR TYPEWRITE NAME AND ADDRESS OF ASSIGNEE) 
  
              shares of the common stock represented by the within
Certificate, and do hereby irrevocably constitute and appoint              Attorney to transfer the said stock on the books of the within named Corporation with full power of
substitution in the premises. 
 Dated 
  
 NOTICE: THE SIGNATURE TO THIS ASSIGNMENT MUST CORRESPOND WITH THE NAME AS WRITTEN UPON THE FACE OF THE CERTIFICATE IN EVERY PARTICULAR, WITHOUT ALTERATION OR ENLARGEMENT,
OR ANY CHANGE WHATEVER. 
 SIGNATURE(S) GUARANTEED: 
  
 THE SIGNATURE(S) SHOULD BE GUARANTEED BY AN ELIGIBLE GUARANTOR INSTITUTION (BANKS, STOCKBROKERS, SAVINGS AND LOAN ASSOCIATIONS AND CREDIT UNIONS WITH MEMBERSHIP IN AN
APPROVED SIGNATURE GUARANTEE MEDALLION PROGRAM), PURSUANT TO S.E.C. RULE 17Ad-15. 
  
 KEEP THIS CERTIFICATE IN A SAFE PLACE. IF IT IS LOST, STOLEN, MUTILATED OR DESTROYED, THE CORPORATION MAY REQUIRE A BOND OF INDEMNITY AS A CONDITION TO THE ISSUANCE OF A REPLACEMENT CERTIFICATE.