Koppers Enters Into Memorandum of Understanding in China Read more about Koppers Enters Into Memorandum of Understanding in China
Koppers Holdings Inc. Board Increases Quarterly Dividend, Sets Annual Meeting and Record Dates Read more about Koppers Holdings Inc. Board Increases Quarterly Dividend, Sets Annual Meeting and Record Dates
Koppers Holdings Inc. Reports Fourth Quarter 2011 Results Read more about Koppers Holdings Inc. Reports Fourth Quarter 2011 Results
Koppers Holdings Inc. Announces Closure of Grenada, MS Wood Treating Plant Read more about Koppers Holdings Inc. Announces Closure of Grenada, MS Wood Treating Plant
Koppers Holdings Inc. Schedules Fourth Quarter 2011 Conference Call Read more about Koppers Holdings Inc. Schedules Fourth Quarter 2011 Conference Call
Koppers Holdings Inc. Announces Closure of Carbon Black Plant Read more about Koppers Holdings Inc. Announces Closure of Carbon Black Plant
Koppers Holdings Inc. Reports Strong Third Quarter 2011 Results Read more about Koppers Holdings Inc. Reports Strong Third Quarter 2011 Results
Koppers Holdings Inc. Board Declares Regular Dividend Read more about Koppers Holdings Inc. Board Declares Regular Dividend
Koppers Holdings Inc. Schedules Third Quarter 2011 Conference Call Read more about Koppers Holdings Inc. Schedules Third Quarter 2011 Conference Call
Koppers Signs Three-Year Contract With CSX for Rail Joint Bars Read more about Koppers Signs Three-Year Contract With CSX for Rail Joint Bars