Giga Metals to Launch September Geophysics Program at Turnagain Ni-Co project

Executive Summary

• Giga Metals Corp. completed a non‑brokered private placement on August 28, 2025 and will commence a magnetotelluric (MT) geophysical survey at the Turnagain project the week of September 15, 2025.
• The MT program, conducted by Simcoe Geoscience Limited, aims to map subsurface structures adjacent to the known nickel‑cobalt resource and target potential copper, platinum, and palladium mineralization, with initial results expected in early October 2025.
• A live corporate update on Fall 2025 activities is scheduled for September 10, 2025 at 11 am ET / 8 am PT.

Key Details

• Financing: Non‑brokered private placement closed August 28, 2025 (details of amount and pricing not disclosed in release).
• Geophysics Program:
• Contractor: Simcoe Geoscience Limited.
• Survey type: Magnetotelluric (MT) survey.
• Start date: Week of September 15, 2025.
• Focus area: Sub‑surface structures adjacent to the Turnagain nickel‑cobalt project; targeting copper, platinum, and palladium mineralization within the ultramafic complex.
• Expected initial results: First half of October 2025.
• Corporate Update: Live webcast on September 10, 2025 at 11 am ET / 8 am PT; registration link provided in release.
• Qualified Person: Greg Ross, P.Geo., Turnagain Project Manager, has reviewed and approved the technical information.

Notable Quotes

“With our summer financing now complete, we are excited to be mobilizing our team to the Turnagain site,” – Scott Lendrum, CEO.
“Our fall geophysics program targets copper, platinum and palladium mineralization in a part of the ultramafic complex adjacent to the known nickel‑cobalt resource.” – Scott Lendrum, CEO.