Barrick's Q2 AISC rose 12% year over year to $1,684 per ounce despite a quarterly decline. Higher costs stemmed from lower production and suspension at the Loulo-Gounkoto mine. B's 2025 AISC guidance of$1,460-$1,560 per ounce signals a rise at the midpoint from 2024. Image Source: Agnico Eagle Mines Limited's (AEM) AISC rose 10% year over year in the second quarter due to higher total cash costs and an uptick in sustaining capital expenditures and general and administrative expenses. Agnico Eagle's total c ...