Mr. Scott Lendrum reports

GIGA METALS APPOINTS STEVEN LATIMER TO BOARD OF DIRECTORS

Steven Latimer, a highly accomplished capital market executive, has been appointed to serve as an independent director on Giga Metals Corp.'s board of directors, effective July 8, 2026.

Scott Lendrum, chief executive officer of Giga, commented: "We are delighted to welcome Steve to the board of Giga. With more than 30 years of experience as an adviser and financier to the global mining industry, Steve brings a proven track record of advising mining leadership and developing companies across the globe. His experience and deep industry relationships will further strengthen the board's skill set, industry awareness and independence as we continue to execute our strategy. Mr. Latimer also has a strong background in philanthropy and community engagement, two elements we view as essential for developing a project with the potential impact of Turnagain."

Mr. Latimer, independent director, commented: "I am pleased to join the board of Giga Metals and look forward to working alongside the company's experienced leadership team. The Turnagain project is a unique Canadian critical minerals asset, offering exposure to several strategically important commodities within a large-scale, long-life resource. As demand for secure and responsibly developed critical mineral supply continues to grow, I believe Turnagain is well positioned to play an important role in supporting that future while creating long-term value for stakeholders."

Mr. Latimer brings over 30 years of capital market and investment banking experience, focused on the global mining and metal sector. He is currently managing director and head of North America at Bacchus Capital, based in London, United Kingdom, a mining-focused investment and merchant bank. He recently served as interim chief executive officer and director of BG Gold, an advanced-stage gold exploration project in Nunavut, and was non-executive chairman of Alta Copper, a TSX Venture Exchange-listed Peruvian copper developer that was recently acquired by Fortescue Minerals. In 2012, he established Jefferies's investment banking practice in Canada, where he served as managing director, head of Canadian investment banking, and fulfilled the role as president of Jefferies Securities Inc. His banking experience also includes leadership roles at Credit Suisse (head of Canadian mining and metals investment banking team) and UBS Securities (Canada), having started his career in 1990 with Goldman Sachs in New York. Mr. Latimer holds an MBA from the Kellogg School of Management at Northwestern University and an HBA from the Ivey Business School at Western University. He also holds the CFA and ICD.D designations.

In connection with Mr. Latimer's appointment, the company has issued Mr. Latimer 550,000 options exercisable into 550,000 common shares of the company at an exercise price of 10 cents for a period of five years pursuant to the company's stock option plan. The options vest as to one-quarter immediately, with an additional one-quarter vesting annually. All options vest on a change of control.

About Giga Metals Corp.

Giga Metals' core asset is the Turnagain project, located in Northern British Columbia, which contains one of the few significant undeveloped sulphide nickel and cobalt resources in the world. Turnagain is held in Hard Creek Nickel, a subsidiary owned jointly by Giga Metals and Mitsubishi Corp. The prefeasibility study was released in October, 2023. The Turnagain ultramafic intrusive complex is also prospective for copper, platinum and palladium mineralization in the Attic zone, an area adjacent to the known nickel resource.

We seek Safe Harbor.