| · | [Nickel]Market Price of Philippines Low-grade nickel ore（Ni0.9-1.1%,Fe50%） in China | 5/28/2019 |
| · | [Nickel]Market Price of Philippines Standard-grade nickel ore（Ni1.6%,Fe20-30%） in China | 5/28/2019 |
| · | [Nickel]Market Price of Philippines High-grade nickel ore（Ni1.8%,Fe<20%） in China | 5/28/2019 |
| · | [Nickel]Market Price of Philippines Standard-grade nickel ore（Ni1.55%,Fe18-20%） in China | 5/28/2019 |
| · | [Nickel]Market Price of Philippines High-grade nickel ore（Ni1.9%,Fe<20%） in China | 5/28/2019 |
| · | [Nickel]Market Price of Philippines Standard-grade nickel ore（Ni1.7%,Fe<20%） in China | 5/28/2019 |
| · | [Nickel]Market Price of Philippines Low-grade nickel ore（Ni0.9-1.1%,Fe50%） in China | 5/27/2019 |
| · | [Nickel]Market Price of Philippines Standard-grade nickel ore（Ni1.6%,Fe20-30%） in China | 5/27/2019 |
| · | [Nickel]Market Price of Philippines High-grade nickel ore（Ni1.8%,Fe<20%） in China | 5/27/2019 |
| · | [Nickel]Market Price of Philippines Standard-grade nickel ore（Ni1.55%,Fe18-20%） in China | 5/27/2019 |
| · | [Nickel]Market Price of Philippines High-grade nickel ore（Ni1.9%,Fe<20%） in China | 5/27/2019 |
| · | [Nickel]Market Price of Philippines Standard-grade nickel ore（Ni1.7%,Fe<20%） in China | 5/27/2019 |
| · | [Nickel]Market Price of Philippines Low-grade nickel ore（Ni0.9-1.1%,Fe50%） in China | 5/24/2019 |
| · | [Nickel]Market Price of Philippines Standard-grade nickel ore（Ni1.6%,Fe20-30%） in China | 5/24/2019 |
| · | [Nickel]Market Price of Philippines High-grade nickel ore（Ni1.8%,Fe<20%） in China | 5/24/2019 |
| · | [Nickel]Market Price of Philippines Standard-grade nickel ore（Ni1.55%,Fe18-20%） in China | 5/24/2019 |
| · | [Nickel]Market Price of Philippines High-grade nickel ore（Ni1.9%,Fe<20%） in China | 5/24/2019 |
| · | [Nickel]Market Price of Philippines Standard-grade nickel ore（Ni1.7%,Fe<20%） in China | 5/24/2019 |
| · | [Nickel]Market Price of Philippines Low-grade nickel ore（Ni0.9-1.1%,Fe50%） in China | 5/23/2019 |
| · | [Nickel]Market Price of Philippines Standard-grade nickel ore（Ni1.6%,Fe20-30%） in China | 5/23/2019 |
| · | [Nickel]Market Price of Philippines High-grade nickel ore（Ni1.8%,Fe<20%） in China | 5/23/2019 |
| · | [Nickel]Market Price of Philippines Standard-grade nickel ore（Ni1.55%,Fe18-20%） in China | 5/23/2019 |
| · | [Nickel]Market Price of Philippines High-grade nickel ore（Ni1.9%,Fe<20%） in China | 5/23/2019 |
| · | [Nickel]Market Price of Philippines Standard-grade nickel ore（Ni1.7%,Fe<20%） in China | 5/23/2019 |
| · | [Nickel]Market Price of Philippines Low-grade nickel ore（Ni0.9-1.1%,Fe50%） in China | 5/22/2019 |
| · | [Nickel]Market Price of Philippines Standard-grade nickel ore（Ni1.6%,Fe20-30%） in China | 5/22/2019 |
| · | [Nickel]Market Price of Philippines High-grade nickel ore（Ni1.8%,Fe<20%） in China | 5/22/2019 |
| · | [Nickel]Market Price of Philippines Standard-grade nickel ore（Ni1.55%,Fe18-20%） in China | 5/22/2019 |
| · | [Nickel]Market Price of Philippines High-grade nickel ore（Ni1.9%,Fe<20%） in China | 5/22/2019 |
| · | [Nickel]Market Price of Philippines Standard-grade nickel ore（Ni1.7%,Fe<20%） in China | 5/22/2019 |