INVESTOR DAY 2026 Mount Milligan 47 Source: Centerra Investor Presentation February 2026. Producing CENTERRA GOLD Exploration drilling aimed at expanding the mineral resource base Mineralization remains open to the west of the current resource pit 10% expansion in plant throughput beginning in 2028 — Increase throughput to 66,300 tpd — Increase recovery by ~1% Mineralization Cross Section