Koppers Holdings Inc. Reports First Quarter 2007 Results Read more about Koppers Holdings Inc. Reports First Quarter 2007 Results
Koppers Holdings Inc. Board Declares Regular Dividend Read more about Koppers Holdings Inc. Board Declares Regular Dividend
Koppers Holdings Inc. Schedules First Quarter 2007 Conference Call Read more about Koppers Holdings Inc. Schedules First Quarter 2007 Conference Call
Koppers Announces Sale of Common Stock Owned by Saratoga and Certain Officers of the Company Read more about Koppers Announces Sale of Common Stock Owned by Saratoga and Certain Officers of the Company
Koppers Holdings Inc. Reports Fourth Quarter 2006 Results Read more about Koppers Holdings Inc. Reports Fourth Quarter 2006 Results
Koppers Locations Earn National Safety Council's Top Awards Read more about Koppers Locations Earn National Safety Council's Top Awards
Koppers Holdings Inc. Schedules Fourth Quarter 2006 Conference Call Read more about Koppers Holdings Inc. Schedules Fourth Quarter 2006 Conference Call
Koppers Holdings Inc. Board Declares Regular Dividend, Sets Annual Meeting and Record Dates Read more about Koppers Holdings Inc. Board Declares Regular Dividend, Sets Annual Meeting and Record Dates
Koppers Declares End of North American Force Majeure for Coal Tar Products Read more about Koppers Declares End of North American Force Majeure for Coal Tar Products