However, the Canadian Mining Eye index — which tracks the performance of 100 Toronto Stock Exchange and TSX Venture Exchange mid-tier and junior mining companies — dropped 8% in the three months to March 2018.
The Association of Mineworkers and Construction Union (AMCU) said the company failed to take precautions two avoid injuries at its mines earlier this week.
The pre-production capital expenditure is $404M, which includes $105 million of capital cost required to upgrade the government-owned North Canol Road.