The reported all-in sustaining costs of the largest gold producers dropped to a weighted average of US$826/oz in the fourth quarter of 2018, a 5% decrease from the same companies' weighted average in the previous quarter. The drop came even as most of the companies included in the analysis saw quarter-over-quarter increases in all-in sustaining costs.
Kirkland Lake Gold Ltd. logged the lowest AISC for the fourth quarter of 2018, at US$567/oz. This reflected a 12% decrease from costs during the prior quarter. During the fourth quarter, the company increased production by 39% compared to the same quarter in 2017 and had the highest 2018 share price among gold producers at US$26.10.
Centerra Gold Inc. saw a 17% decline quarter over quarter, coming in at US$576/oz. The company exceeded its 2018 gold production guidance, with Kumtor surpassing its forecast and Mount Milligan achieving the upper end of its guidance.
PJSC Polyus reported the third-lowest AISC despite a 14% quarter-over-quarter increase to US$634/oz. The company's annual production increased from 2017 to 2018 due in part to the completed ramp-up of Natalka in Russia.
Goldcorp Inc. logged the largest quarter-over-quarter decline in AISC, dropping 23% to US$765/oz. The company expects to maintain a similar cost level during 2019 by producing between 2.2 million ounces and 2.4 Moz of gold at AISC of between US$750/oz and US$850/oz.
Alamos Gold Inc. had the highest average price realized for the fourth quarter of 2018, at US$1,244/oz. The company reported an AISC of US$983/oz, putting its profit margin at roughly 21%, below the weighted-average margin of 32%. In total, eight of the 19 companies achieved above-average margins. Kirkland Lake Gold and Centerra Gold topped the list at 54% and 50%, respectively.
Two companies had all-in sustaining costs that outstripped the average price realized per ounce. South Africa-based Sibanye Gold Ltd. had AISC of US$105/oz above its average price realized, yielding a profit margin of negative 8.6%. Compañía de Minas Buenaventura SAA also saw a negative profit margin at 21.4%, with reported AISC of US$262/oz above the average price realized.
Looking at the enterprise value per ounce of attributable gold reserves, values varied from Sibanye's low of US$63/oz to Northern Star Resources Ltd.'s US$968/oz. The group's median value was US$183/oz.
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