MAYFAIR GOLD CORP.
For the period ended Dec 31, 2025. Filed Apr 14, 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 Apr 14, 2026
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Contents
EX-99.1 · 2.Potential Upside Opportunities
**2.**Potential Upside Opportunities
The PFS includes the processing of 1 Moz of reserves of the overall 4.3 Moz indicated resource. This presents several conceptual opportunities that are not included in the base case but may become strategically viable in future years. Further technical, economic and regulatory/permitting review is required for any other options following the start-up of the project as described in this study.
1.20****Conclusions and Recommendations
Based on the assumptions and parameters presented in the report, the project has a mine plan that is technically feasible and economically viable. The positive financials of the project ($652 million after-tax NPV5% and 24.1% after-tax IRR) support the mineral reserve. To position the Company for a construction decision, it is recommended that critical work streams be advanced in parallel, including front-end engineering development (“FEED”) and detailed design to develop a control budget estimate, permitting and regulatory approvals to secure all necessary authorizations for construction, Indigenous and community engagement and consultation garner input on the project design with impacted communities. Advancing these activities concurrently will ensure technical, regulatory, social, and financial readiness for the next stage of project execution. The budget for this scope is detailed in Table 1-7.
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