Mandalay Resources Corporation announced production results for the fourth quarter and full year 2023. For the quarter, the company achieved a consolidated production of 26,941 totals of gold equivalent ounces marking highest quarterly production for 2023. In comparison to the preceding quarter, there was a significant 42% increase in Costerfield's gold equivalent production reaching 15,383 ounces.

For the full year 2023, this contributed to Costerfield concluding the year with a total of 47,661 gold equivalent ounces produced.