Mr. Nicholas Van Dyk reports

NORTHISLE ANNOUNCES TOTAL FINANCING OF $115 MILLION INCLUDING WHEATON PRECIOUS METALS PLACEMENT OF $5 MILLION AND UPDATE ON PUBLIC OFFERING

Concurrent to NorthIsle Copper and Gold Inc.'s best efforts offering announced on Feb. 26, 2026, the company will conduct a non-brokered private placement of 1,639,300 common shares of the company at a price of $3.05 per common share to raise $4,999,865 from Wheaton Precious Metals Corp.

In addition, the company is pleased to announce that, in connection with the brokered offering, Paradigm Capital Inc. as lead agent and sole bookrunner on behalf of a syndicate of agents has provided notice of exercise of the option granted to the agents to sell 2,229,700 additional common shares at the issue price for additional aggregate gross proceeds of $6,800,585. The brokered offering will comprise (i) up to 35,016,700 common shares (including the exercise of the agents' option) offered by way of the prospectus supplement (as defined below) for gross proceeds of up to $106,800,935; and (ii) up to 1.05 million common shares offered on a private placement basis for gross proceeds of up to $3,202,500.

In all other respects, the terms of the brokered offering, including the issue price, remains the same as previously disclosed in the company's news release dated Feb. 26, 2025. The aggregate number of common shares that may be issued pursuant to the offerings is up to 37,706,000 for gross proceeds of up to $115,003,300.

The net proceeds of the offerings will be used by the company for advancement of the company's projects and for general corporate and working capital purposes.

Closing is expected to occur on or about March 6, 2026, or such other date as the company and the agents may agree (the closing date). The offerings will be subject to the receipt of all necessary regulatory approvals, including the approval of the TSX Venture Exchange and other customary closing conditions.

The common shares offered pursuant to the brokered public offering will be offered in all the provinces and territories of Canada, other than Quebec, on a best efforts basis by way of the prospectus supplement dated March 2, 2026, to the company's short form base shelf prospectus dated Feb. 25, 2026. Access to the prospectus supplement, the corresponding base shelf prospectus and any amendment to the documents is provided in accordance with securities legislation relating to procedures for providing access to a shelf prospectus supplement, a base shelf prospectus and any amendment to the documents. The base shelf prospectus and the prospectus supplement are accessible through SEDAR+.

An electronic or paper copy of the shelf prospectus supplement, the corresponding base shelf prospectus and any amendment to the documents may be obtained, without charge, from Paradigm Capital Inc. by e-mail at ecm@paradigmcap.com by providing the contact with an e-mail address or address, as applicable.

The common shares offered pursuant to the non-brokered offering and the brokered private placement will be offered on a private placement basis pursuant to applicable exemptions from the prospectus requirements of Canadian securities laws under National Instrument 45-106 -- Prospectus Exemptions. The common shares offered pursuant to the brokered offering may also be sold outside of Canada and in the United States on a private placement basis pursuant to available exemptions in accordance with all applicable laws and provided that no prospectus or registration statement filing or comparable obligation arises.

No fees or compensation will be paid to the agents in connection with the non-brokered offering. The common shares sold pursuant to the non-brokered offering and the brokered private placement will be subject to a statutory hold period of four months plus one day from the date of issuance.

About NorthIsle Copper and Gold Inc.

NorthIsle Copper and Gold is a Vancouver-based company whose vision is to become Canada's leading sustainable mineral resource company for the future. Northisle, through its 100-per-cent-owned subsidiary North Island Mining Corp., owns the North Island project, which is one of the most promising copper and gold porphyry projects in Canada. The North Island project is located near Port Hardy, B.C., on a more than 34,000-hectare block of mineral titles 100 per cent owned by NorthIsle on a belt stretching 50 kilometres northwest from the now closed Island copper mine operated by BHP Billiton. Since 2021, the company has discovered two significant deposits, expanded resources, demonstrated the economic potential of the project and is now focused on the development of this compelling project while exploring within this highly prospective land package.

NorthIsle respectfully acknowledges that its North Island project is located within the territories of Quatsino First Nation, Kwakiutl First Nation and Tlatlasikwala First Nation. The company is committed to collaborating with first nations to build authentic, mutually beneficial relationships.

We seek Safe Harbor.