ERRINGTON METALS GRANTS SECURITY-BASED COMPENSATION

Executive Summary

• Errington Metals Corp. granted security-based compensation to officers and directors under its omnibus equity incentive plan.
• The grant includes an aggregate of 280,000 restricted share units (RSUs) and 450,000 deferred share units (DSUs).
• Vesting schedules for both RSUs and DSUs were established in accordance with the Plan terms.

Key Details

• Total RSUs Granted: 280,000 restricted share units to officers and directors.
• Total DSUs Granted: 450,000 deferred share units to officers and directors.
• Plan Name: Omnibus equity incentive plan (the "Plan").
• RSU Vesting Terms: Vests annually in three equal installments beginning on the first anniversary of the grant date.
• DSU Vesting Terms: Vests 12 months from the grant date and will be settled in accordance with the terms of the Plan.
• Grant Date: May 28, 2026.