Mr. Scott Lendrum reports

GIGA METALS COMPLETES FIRST TRANCHE OF NON-BROKERED PRIVATE PLACEMENT

Further to the news release dated April 27, 2026, Giga Metals Corp. has closed the first tranche of its private placement for 11,473,500 units at a price of eight cents per unit for gross proceeds of $917,880.

Each unit consists of one common share of the company and one non-transferable share purchase warrant. Each whole warrant will be exercisable into one common share of the company at an exercise price of 15 cents for a period of three years from the closing of the private placement.

The securities issued have a hold period expiring four months plus one day after issuance, being Aug. 31, 2026.

The proceeds of the private placement will be used to advance development activities at the Turnagain project, for exploration activities at Turnagain focusing on the Attic zone and for general corporate purposes.

Completion of a second tranche of the private placement is anticipated to occur on or about May 15, 2026, or such other date as the company may determine, and is subject to certain closing conditions, including, but not limited to, the receipt of all necessary regulatory approvals, including the approval of the TSX Venture.

Finders' fees were paid on 9,607,500 units for a total of $53,802 in cash plus a total of 627,525 finders' warrants. Each finder's warrant is exercisable into one common share of the company at a price of eight cents per common shares for a period of three years from the date of issuance, being April 30, 2026.

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 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.