| Date | Event |
| 23-Nov-09 | KOPPERS HOLDINGS INC. Files SEC form 8-K, Entry into a Material Definitive Agreement, Other Events, Financial Stateme |
| 13-Nov-09 | KOPPERS HOLDINGS INC. Files SEC form 8-K, Other Events, Financial Statements and Exhibits |
| 12-Nov-09 | Ex-Date for dividend payment of $0.22 |
| 6-Nov-09 | KOPPERS HOLDINGS INC. Files SEC form 8-K, Results of Operations and Financial Condition, Financial Statements and Exh |
| 5-Nov-09 | KOPPERS HOLDINGS INC. Files SEC form 10-Q, Quarterly Report |
| 5-Nov-09 | Koppers Holdings Inc. Earnings Call scheduled for 11:00 am ET today |
| 12-Oct-09 | Price hit new 52-week high ($34.00) |
| 16-Sep-09 | Price hit new 52-week high ($31.23) |
| 4-Sep-09 | KOPPERS HOLDINGS INC. Files SEC form 8-K, Other Events, Financial Statements and Exhibits |
| 13-Aug-09 | Ex-Date for dividend payment of $0.22 |
| 6-Aug-09 | KOPPERS HOLDINGS INC. Files SEC form 8-K, Results of Operations and Financial Condition, Financial Statements and Exh |
| 6-Aug-09 | KOPPERS HOLDINGS INC. Files SEC form 10-Q, Quarterly Report |
| 6-Aug-09 | Koppers Holdings Inc. Earnings Call scheduled for 11:00 am ET today |
| 8-May-09 | KOPPERS HOLDINGS INC. Files SEC form 8-K, Results of Operations and Financial Condition, Financial Statements and Exh |
| 7-May-09 | KOPPERS HOLDINGS INC. Files SEC form 10-Q, Quarterly Report |
| 6-Mar-09 | Price hit new 52-week low ($9.69) |
| 5-Mar-09 | Price hit new 52-week low ($10.31) |
| 2-Mar-09 | Price hit new 52-week low ($11.25) |
| 20-Feb-09 | KOPPERS HOLDINGS INC. Files SEC form 10-K, Annual Report |
| 18-Feb-09 | KOPPERS HOLDINGS INC. Files SEC form 8-K, Results of Operations and Financial Condition, Financial Statements and Exh |
| 22-Jan-09 | KOPPERS HOLDINGS INC. Files SEC form 8-K, Results of Operations and Financial Condition, Financial Statements and Exh |
| 7-Nov-08 | KOPPERS HOLDINGS INC. Files SEC form 8-K, Results of Operations and Financial Condition, Financial Statements and Exh |
| 6-Nov-08 | KOPPERS HOLDINGS INC. Files SEC form 10-Q, Quarterly Report |