Koppers Holdings Inc. Board Declares Regular Dividend Read more about Koppers Holdings Inc. Board Declares Regular Dividend
Koppers to Expand Petroleum Pitch Business in North America, Introduces Two New Products Read more about Koppers to Expand Petroleum Pitch Business in North America, Introduces Two New Products
Koppers Holdings Inc. Schedules Second Quarter 2009 Conference Call Read more about Koppers Holdings Inc. Schedules Second Quarter 2009 Conference Call
Koppers Files Replacement Shelf Registration Read more about Koppers Files Replacement Shelf Registration
Koppers Holdings Inc. Reports First Quarter 2009 Results Read more about Koppers Holdings Inc. Reports First Quarter 2009 Results
Dr. Sharon Feng and Stephen R. Tritch Elected to Koppers Board of Directors Read more about Dr. Sharon Feng and Stephen R. Tritch Elected to Koppers Board of Directors
Koppers Holdings Inc. Board Declares Regular Dividend Read more about Koppers Holdings Inc. Board Declares Regular Dividend
Koppers Completes Construction Projects in China Read more about Koppers Completes Construction Projects in China
Koppers Holdings Inc. Schedules First Quarter 2009 Conference Call Read more about Koppers Holdings Inc. Schedules First Quarter 2009 Conference Call