LME Official Zinc Prices (US$/tonne) for 31 May 2010
| Zinc (US/ton) | |
| CASH BUYER | 1895.00 |
| CASH SELLER & SETTLEMENT | 1895.50 |
| 3-MONTHS BUYER | 1930.00 |
| 3-MONTHS SELLER | 1930.50 |
| 15-MONTHS BUYER | 1988.00 |
| 15-MONTHS SELLER | 1993.00 |
| 27-MONTHS BUYER | 1973.00 |
| 27-MONTHS SELLER | 1978.00 |