Mayfair Gold Corp. (NYSE American: MINE) released final results from a grade control drilling program at its Fenn-Gib Project in Northern Ontario, confirming the accuracy of the company's mineral reserve model in the tested area.

The program, completed in late 2025, covered approximately 1.0 million tonnes of probable mineral reserves from the company's 2026 Pre-Feasibility Study, representing about 25% of the Phase 1 planned mine design. The program included 56 diamond drill holes on a 10-by-10 metre spacing across a 60-by-70 metre area, drilled to a nominal depth of 75 metres.

At a 0.8 g/t gold cut-off grade, the grade control model returned a similar grade to the reserve model with approximately 2% more contained metal. For material above a 3.0 g/t gold cut-off, the grade control model identified 28% more tonnes at 7% higher grade, representing 37% more gold than the probable reserve model for the tested area.

CEO Drew Anwyll said the results "confirm that the Mineral Reserve Estimate is an accurate representation of the orebody, demonstrating strong predictability between the model and what we are seeing in the field."

Analytical work was conducted by Swastika Laboratories Ltd. in Swastika, Ontario, an independent laboratory accredited by the Canadian Association for Laboratory Accreditation Inc. to ISO/IEC 17025 standards.

Mayfair said it is evaluating a potential second grade control test area to assess whether similar results can be replicated in other ore types across the project. The company stated the results may support opportunities to process higher-grade ore earlier in the initial mining sequence.

Mayfair Gold is a development-stage company focused on the Fenn-Gib Project, which hosts a 4.3 million ounce indicated mineral resource. The 2026 Pre-Feasibility Study outlines initial development capital of C$450 million, a base-case payback period of 2.7 years, and cumulative free cash flow of US$896 million over the first six years of production based on a US$3,100 per ounce gold price. The company is targeting construction start in 2028 and initial production in 2030.