Mr. Matthew Gollat reports

ERRINGTON METALS GRANTS SECURITY-BASED COMPENSATION

On May 28, 2026, Errington Metals Corp. granted to officers and directors of the company: (i) an aggregate of 280,000 restricted share units of the company; and (ii) an aggregate of 450,000 deferred share units of the company, in each case under the company's omnibus equity incentive plan.

The RSUs will vest annually in three equal instalments beginning on the first anniversary of the grant date, subject to the terms of the applicable award agreements and the plan.

The DSUs will vest 12 months from the grant date and will be settled in accordance with the terms of the plan.

About Errington Metals Corp.

Errington Metals is a Canadian exploration and development company focused on advancing critical and precious metals opportunities. The company is progressing its wholly owned Sudbury basin project, which hosts high-grade VMS-style (volcanogenic massive sulphide) mineralization in one of Canada's most established mining districts. Errington is advancing the project through systematic drilling, geological modelling and technical evaluation.

In 2026, the company is completing a 45,000-metre drill program designed to support an initial mineral resource estimate and test regional targets.