

|
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| HIBI KYODO SMELTING CO., LTD. |
| As of July 1, 2010
|
| Line of Business |
 |
Production of refined copper, sulphuric acid, and other products |
 |
| Equity Ownership |
|
PPC63.51%, Nittetsu Mining Co., Ltd. 20.28%, Furukawa Metals & Resources Co., Ltd. 16.21% |
 |
| President |
|
Kazuhiro Sakai |
 |
| Capital |
|
JPY4,700 million |
 |
| |
| JAPAN COPPER CASTING CO., LTD. |
| As of July 1, 2010
|
| Line of Business |
 |
Production of copper cake and billet |
 |
| Equity Ownership |
|
PPC65%, Dowa Mining Co.,Ltd. 30%, Poongsan Corporation5% |
 |
| President |
|
Hideyuki Otsubo |
 |
| Capital |
|
JPY200 million |
 |
| |
| HITACHI WIRE & ROD CO., LTD.
|
| As of July 1, 2010
|
| Line of Business |
 |
Manufacture and sales of copper wire rods |
 |
| Equity Ownership |
|
PPC20%, Hitachi Cable,Ltd. 80% |
 |
| President |
|
Satoru Murai |
 |
| Capital |
|
JPY490 million |
 |
| |
| KEIHIN KASEHIN CENTER CO., LTD. |
| As of July 1, 2010 |
| Line of Business |
|
Loading/unloading of sulphuric acid |
 |
| Equity Ownership |
|
PPC60%, Mitsubishi Materials Corporation 40% |
 |
| President |
|
Shunichi Murohara |
 |
| Capital |
|
JPY50 million |
 |
| |
|