Northisle Announces Total Financing of $115 million Including Wheaton Precious Metals Placement of $5 million and Update on Public Offering

Executive Summary

• Northisle Copper and Gold Inc. announced a combined financing consisting of a non‑brokered private placement of 1,639,300 common shares to Wheaton Precious Metals Corp. at $3.05 per share for gross proceeds of $4,999,865 and the exercise of the agents’ option under its existing brokered “best efforts” offering for an additional 2,229,700 shares, generating $6,800,585 in gross proceeds.
• Including the agents’ option, the total brokered public offering now targets up to 35,016,700 common shares for potential gross proceeds of $106,800,935, plus a brokered private placement of up to 1,050,000 shares for $3,202,500.
• The aggregate number of shares that may be issued under the combined offerings is up to 37,706,000 for total potential gross proceeds of $115,003,300, with net proceeds earmarked for project advancement and general corporate/working‑capital purposes.

Key Details

• Non‑Brokered Private Placement
• Shares: 1,639,300 common shares
• Issue price: $3.05 per share
• Gross proceeds: $4,999,865

• Investor: Wheaton Precious Metals Corp.

• Agents’ Option Exercise (Brokered Offering)

• Additional shares: 2,229,700 common shares
• Issue price: $3.05 per share (same as original offering)

• Gross proceeds from option: $6,800,585

• Brokered Public Offering (post‑option)

• Total shares offered: up to 35,016,700 common shares (including option)

• Potential gross proceeds: up to $106,800,935

• Brokered Private Placement

• Shares: up to 1,050,000 common shares

• Potential gross proceeds: up to $3,202,500

• Overall Offering Summary

• Maximum issuable shares: 37,706,000 common shares

• Maximum aggregate gross proceeds: $115,003,300

• Closing

• Expected closing date: on or about March 6, 2026 (or other mutually agreed date) subject to regulatory approvals and customary conditions.

• Use of Proceeds

• Advancement of Northisle’s mineral projects

• General corporate purposes and working capital

• Regulatory & Offering Mechanics

• Brokered offering conducted on a “best efforts” basis via prospectus supplement dated March 2, 2026 to the short‑form base shelf prospectus (dated February 25, 2026).
• Non‑brokered placement and brokered private placement rely on exemptions under NI 45‑106.
• No fees or compensation will be paid to agents for the non‑brokered portion.
• Shares sold in the non‑brokered and brokered private placements subject to a statutory hold period of four months plus one day.

Notable Quotes

No direct executive quotes were included in this release.