| # | Entity | Status | State |
|---|---|---|---|
| 1 | 19 104 645 301 Koppers Australia Holding Company Pty Ltd |
ABN Active | NSW 2060 |
| 2 | 60 000 566 629 KOPPERS AUSTRALIA PTY LTD |
ABN Active | NSW 2060 |
| 3 | 75 088 260 575 KOPPERS PERFORMANCE CHEMICALS AUSTRALIA PTY LTD |
ABN Active | NSW 2060 |
| 4 | 89 002 736 307 KOPPERS POWER POLES (AUSTRALIA) PTY LTD |
ABN Cancelled | NSW 2060 |
| 5 | 89 002 736 307 KOPPERS POWER POLES (AUSTRALIA) PTY LTD KOPPERS POWER POLES AUSTRALIA PTY LTD |
ABN Cancelled | NSW 2060 |