Koppers Holdings Announces Availability of 2022 Annual Report Read more about Koppers Holdings Announces Availability of 2022 Annual Report
Koppers Management Meeting with Financial Community in Chicago Read more about Koppers Management Meeting with Financial Community in Chicago
Koppers Holdings Names Andrew D. Sandifer to Board Read more about Koppers Holdings Names Andrew D. Sandifer to Board
Koppers Announces Pricing and Allocation of $400 Million Term Loan B Read more about Koppers Announces Pricing and Allocation of $400 Million Term Loan B
Koppers Leigh Ann Richardson Earns 2023 Women MAKE Award From The Manufacturing Institute Read more about Koppers Leigh Ann Richardson Earns 2023 Women MAKE Award From The Manufacturing Institute
Koppers Reports Fourth Quarter and Full-Year 2022 Results; Provides 2023 Outlook Read more about Koppers Reports Fourth Quarter and Full-Year 2022 Results; Provides 2023 Outlook
Koppers Holdings Inc. Announces Increase to Quarterly Cash Dividend Read more about Koppers Holdings Inc. Announces Increase to Quarterly Cash Dividend
Koppers Holdings Inc. Schedules Fourth Quarter and Full-Year 2022 Conference Call Read more about Koppers Holdings Inc. Schedules Fourth Quarter and Full-Year 2022 Conference Call
Koppers Completes Purchase of Property in Oregon Read more about Koppers Completes Purchase of Property in Oregon
Koppers Named to Newsweek's List of America's Most Responsible Companies for Third Consecutive Year Read more about Koppers Named to Newsweek's List of America's Most Responsible Companies for Third Consecutive Year