Four Nines Gold Advances Toward Maiden Drill Program with Property-Wide Geophysical Survey at Hayden Hill

About this update from Four Nines Gold, Inc. Class A

Program designed to enhance 3D geological modelling and refine high-grade feeder zone targets beneath and adjacent to historical mine workings ahead of the Company's fully funded summer drill campaign. VANCOUVER, BC / ACCESS Newswire / June 30, 2026 / Four Nines Gold Inc. (CSE:FNAU) (OTCQB:FNAUF) (FWB:F8NA) ("Four Nines" or the "Company") is pleased to announce the commencement of a comprehensive geophysical survey on the Hayden Hill Gold Project in northern California, representing another important milestone as the Company advances toward its fully funded maiden drill program scheduled for this summer. The program is designed to further refine and prioritize drill targets generated through Four Nines' 3D geological modelling, which indicates the potential for structurally controlled gold mineralization beneath and peripheral to historically mined areas that have not been systematically explored for nearly three decades. Four Nines has engaged Zonge International Inc., a recognized leader in geophysical data acquisition, to complete the program through its Reno, Nevada office. The survey is designed to map subsurface physical properties and provide high-resolution insight into the potential extension of mineralized veins, feeder structures, faults, and breccia zones beneath and around historically mined areas-targets that have never been tested with modern exploration tools. The survey represents the latest step in Four Nines' systematic approach to evaluating the Hayden Hill Gold Project through a modern geological framework. Historical operators mined approximately 480,000 ounces of gold and 1.3 million ounces of silver from the property, primarily utilizing a shallow disseminated mineralization model. Four Nines' technical team believes modern structural interpretation indicates the presence of additional high-priority targets beneath and adjacent to the historical pits, which are now being prepared for drill testing. The program includes Induced Polarization (IP) and resistivity surveying across the property, complemented by a Controlled-Source Audio-Magnetotelluric (CSAMT) line to enhance deeper structural imaging. Stations are positioned on an approximate 100 m x 100 m grid using a 9-spread dipole-dipole array, with data collected using Zonge's industry-standard GDP-3224 receivers and GGT-10 transmitter. To maximize the value of the dataset, Four N...

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