| MARKETING |
| + OM Materials (S) Pte Ltd (OMS) |
| MINING |
| + OM (Manganese) Ltd (OMM) |
| MANUFACTURING |
| + OM Materials (Qinzhou) Co Ltd (OMQ) |
| OTHER INVESTMENT |
| + Territory Resources Limited |
| + Shaw River Resources Limited |
| + Northern Iron Limited |
| Key operating entities | |
| MARKETING | |
| OM Materials (S) Pte Ltd (OMS) | wholly owned |
| MINING | |
| OM (Manganese) Ltd (OMM) | wholly owned |
| MANUFACTURING | |
| OM Materials (Qinzhou) Co Ltd (OMQ) | wholly owned |
| OTHER INVESTMENT | |
| Territory Resources Limited (ASX Code: TTY) | 9% shareholding |
| Northern Iron Limited (ASX Code: NFE) | 15% shareholding |
| Shaw River Resources Limited (ASX Code: SRR) | 12.5% shareholding |
