Mako Mining’s Moss Mine Reserves of 598koz Au and 6.3Moz Ag Support $254M NPV
MAKO•Mako Mining’s Moss Mine in Arizona holds 597,744 ounces of proven and probable gold and 6.30 million ounces of silver in 56.8 Mt grading 0.327 g/t Au and 3.45 g/t Ag, underpinning a 15-year life of mine. At $3,500/oz Au and $50/oz Ag, post-tax NPV5% is $254 million with 30.9k oz gold output.
1. Mineral Reserves Estimate
Mako Mining’s Moss Mine contains proven and probable mineral reserves totaling 597,744 ounces of gold and 6.30 million ounces of silver within 56.8 million tonnes grading 0.327 g/t Au and 3.45 g/t Ag. The estimate, prepared under NI 43-101 with an effective date of June 30, 2026, follows CIM Definition Standards.
2. Project Economics Summary
Based on gold at $3,500/oz and silver at $50/oz, the after-tax net present value discounted at 5% is $254 million. The 15-year mine plan assumes recoveries of 75% for gold and 33% for silver, yielding 442,904 recovered ounces of gold and 2.1 million recovered ounces of silver.
3. Production and Capital Expenditure
Annual gold output averages 30.9k ounces with a peak of 46.1k ounces in 2031 and a strip ratio of 1.3:1. No initial capital is required; sustaining capital is estimated at $86 million funded from cash flow following the $2 million acquisition of Moss in March 2025.
