Centerra Gold Inc.
For the period ended Dec 31, 2025. Filed Mar 23, 2026.
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The yearly report of certain Canadian companies, filed under a joint US and Canadian system. It is the main yearly account these companies give US investors, largely as filed in Canada.
FY2025 · Filed Mar 23, 2026
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Contents
EX-99.1 · Mining
Mining
The mining operation is a conventional shovel and truck open pit mine feeding a processing plant. The planned mine life is currently just over 19 years (2026 – 2045). The pit has been planned as a series of nine discrete pushbacks and scheduled to maximize the production of ore. This plan has an overall LOM waste:ore ratio of 1:1. The mining sequence has been developed to allow for provision of suitable waste material for annual TSF construction requirements.
The current mine production drill fleet comprises two electric rotary blast hole drills (311-millimetre diameter), one diesel blast hole drill (222-millimetre diameter), and a smaller diesel blast hole drill (152–222-millimetre diameter) preparing blast holes on 15 metre benches. Loading of blasted rock is completed with two 41 cubic metre electric rope shovels, one 22 cubic metre hydraulic excavator, and two 19 cubic metre front-end loaders. The haulage fleet comprises fifteen haul trucks of 229-t capacity and two 181-t capacity trucks. A typical fleet of support and ancillary equipment is employed, including track and rubber-tire dozers, graders, and a fleet of service vehicles. A fleet of articulated dump trucks are used in dam construction and project activities.
The mine fleet expansion will include one additional electric rotary blast hole drill, one additional 31 cubic metre electric face shovel which will replace the hydraulic excavator, and five additional 229-t capacity haul trucks over the course of the LOM.
New and existing mineralized stockpiles are used to manage various elements of the ROM feed to the mill each period and are scheduled based on the average grade of the stockpile each year. The Levell Ore Stockpile, with a maximum capacity of 6 Mt, is currently the primary ore stockpile and will be used continually throughout the life of the mine. Additional stockpiles for mineralized material will be constructed (once associated permits are obtained) to increase operational flexibility and feed quality to the processing facility.
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