Nutrien Ltd.
For the period ended Dec 31, 2024. Filed Feb 28, 2025.
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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.
FY2024 · Filed Feb 28, 2025
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Contents
EX-99.1 · Exploration Data Verification
Exploration Data Verification
The purpose of any mineral exploration program is to determine extent, continuity, and grade of mineralization to a certain level of confidence and accuracy. Assay of physical samples (drillhole cores and/orin-mine samples) is the only way to gain information about mineral grade, but extent and continuity of mineralization are correctly determined using data collected from seismic surveys correlated with drilling information. To date surface seismic data collected at our mines have been analyzed and verified by Company staff, at times in cooperation with an independent consultant.
Data for the mineral resource and reserve estimates for Allan, Cory, Lanigan, Rocanville and Vanscoy mines were verified by Company staff as follows:
| • | Review of potash assay sample information (drillholes and in-mine grade samples); |
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| • | Review and verify procedures used for in-mine grade sampling and laboratory analysis; |
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| • | Review of surface geophysical exploration results (3D and 2D seismic data); |
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| • | Crosscheck of mined tonnages reported by mine site technical staff with tonnages estimated from mine survey information; and |
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| • | Crosscheck of mineral resource and reserve calculations carried out by corporate technical staff. |
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In the opinion of the authors of the Technical Reports, this approach to data verification of potash mineral grade and surface seismic information is in accordance with generally accepted industry practice for areas adjacent and contiguous to an existing operating potash mine.
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