Tocvan Drone Magnetic Data Strengthens Gold-Silver Targets Across Gran Pilar; Identifies Broad Zones for Expansion Potential

HERMOSILLO, MX / ACCESS Newswire / March 19, 2026 / Tocvan Ventures Corp. (the "Company" or "Tocvan") (CSE:TOC)(OTCQB:TCVNF)(WKN:TV3/ A2PE64) is pleased to announce the completion of the high-resolution drone-based airborne magnetic survey covering the entire Gran Pilar Gold-Silver Project in Sonora, Mexico. The survey, conducted by Zonge International, Inc., encompassed 70 east-west lines spaced 100 meters apart, totaling 235.66 line-kilometers. The survey was successful in revealing the subsurface features that coincide with known areas of mineralization, while outlining the extension of those features on current unexplored areas within the project boundary. This is the first comprehensive survey completed across the project; data is being analyzed for further structural and target interpretations.

Key Benefits

The drone magnetic data offers several advantages for exploration:

• High-resolution coverage over the entire project, enabling efficient identification of potential subsurface features potentially hosting mineralization.

• Integration potential with existing surface geochemistry, geological mapping, and drill data to support targeted exploration and reduce overall risk.

"We are excited about the completion of this extensive drone magnetic survey at Gran Pilar," said Brodie Sutherland, CEO of Tocvan. "The high-quality data sets a strong foundation for our next phases of analysis and interpretation, which will guide our resource expansion efforts in this promising district. We can see a continuation of many of the structural features we are testing today with drilling; these structures have the potential of expanding our targets across the area with a specific emphasis on the underexplored Central portion of the project. In addition, we are seeing a large regional low with inset structural corridors in the North that coincides with our broad alteration zone, another positive sign for expanding on targets."

Next Steps

• The Company plans to proceed with detailed data analysis and interpretation, including correlation with geological and geochemical datasets. This will be followed by magnetic inversion modeling to estimate the depth, shape, and susceptibility of magnetic sources, further refining exploration targets for the ongoing 20,000-meter drill program and permitted pilot mine development.

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