Northisle Appoints Alexander Davidson to Board of Directors

Northisle Copper and Gold Inc. (TSX-V: NCX) ("Northisle" or the "Company") is pleased to announce the appointment of Alexander (Alex) Davidson to its Board of Directors (the "Board") effective April 6, 2025.

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Mr. Davidson stands as a globally acclaimed mining leader who brings more than four decades of mineral exploration and corporate development expertise to the Company. During his time at Barrick Gold Corporation as Executive Vice President of Exploration and Corporate Development, he transformed the company into the top gold producer worldwide through important discoveries and strategic acquisitions.

Mr. Davidson's professional career includes leadership and contribution to multiple landmark discoveries such as Lagunas Norte, Pascua-Lama, Pierina, and Veladero along with significant involvement in Barrick's acquisitions of Lac Minerals, Homestake Mining, and Placer Dome. Mr. Davidson received many industry honors for his achievements including the PDAC Prospector of the Year Award, CIM's A.O. Dufresne Award, along with the SME's Charles F. Rand Gold Medal. The Canadian Mining Hall of Fame welcomed him as an inductee in 2023 for his extraordinary contributions to mining worldwide. In addition, Mr. Davidson and his wife are responsible for creating the Alex & Gillian Davidson Family Endowment for Indigenous Students in Canada, which provides support for students pursuing a three-year technical program or four-year university degree program in the Mineral Extraction and Processing Industries (http://www.cimfoundation.ca/en/alex-gillian-davidson-family-endowment-indigenous-students-canada).

Mr. Davidson earned B.Sc. and M.Sc. degrees in Economic Geology from McGill University and presently holds board positions at South Pacific Metals Corp. and Capital Limited, and was previously a director of Pan American Silver, Yamana Gold (prior to its sale to Pan American), and Orca Gold (prior to its sale to Perseus Mining).

Dale Corman, Chairman of Northisle commented: "Northisle is thrilled to appoint Alex as a new member of our Board of Directors. Alex is legendary for his leadership in discovering, acquiring, and selling some of the world's largest mineral deposits, which will be invaluable in our pursuit of unlocking our 35 km porphyry district at the North Island Project."

Sam Lee, President and CEO added: "Alex's knowledge of assets around the world is unmatched and we are honoured to be able to leverage his vast experience and influence. His strong belief in indigenous engagement driving the future success of mining in Canada is entirely congruent with our core values and is represented by the Alex and Gillian Davidson Family Endowment for Indigenous students in Canada."

Mr. Davidson commented: "After a lifetime in this business, I've learned to pay attention when a project shows scale, grade, and real economic horsepower and Northisle's North Island Project has all three. The recent PEA confirms what the geology already hinted at: a long-life, low-cost copper-gold system with world-class upside. The 35-kilometre district hasn't been tapped yet, and that kind of prospectivity in a Tier 1 jurisdiction is increasingly rare. I'm excited to contribute to the next phase of value creation at Northisle."

Concurrently, the Company has announced a $172,500 private placement (the "Placement") with Mr. Davidson for the purchase of 250,000 common shares at a price of $0.69 per common share. The closing of the Placement is subject to entering into a customary subscription agreement and the receipt of approval of the TSX Venture Exchange. The shares issued pursuant to the Placement will be subject to a statutory hold period in accordance with applicable Canadian securities laws.

In addition, the Board of Directors has approved equity compensation for directors, executives and employees of the company. The equity compensation includes the issuance of 623,000 restricted share units (the "RSUs") pursuant to the Company's share unit plan (the "Share Unit Plan") and 1,533,000 options to purchase common shares (the "Options") pursuant to the Company's stock option plan (the "Stock Option Plan"). The RSUs will vest one third per year commencing April 4, 2026, while the options will be issued with a strike price of $0.69 and a term of 5 years and will vest one third per year commencing on April 4, 2025.

Further terms of the Options and RSUs can be found in the Stock Option Plan and Share Unit Plan as filed on SEDAR+.

About Northisle
Northisle Copper and Gold Inc. is a Vancouver-based company whose mission is to become Canada's leading sustainable mineral resource company for the future. Northisle, through its 100% 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, British Columbia on a more than 34,000-hectare block of mineral titles 100% owned by Northisle stretching 50 kilometers 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 accelerating the advancement of this compelling project while exploring within this highly prospective land package.

For more information on Northisle please visit the Company's website at www.northisle.ca.

On behalf of Northisle Copper and Gold Inc.

Cautionary Statements regarding Forward-Looking Information

Certain information in this news release constitutes forward-looking statements under applicable securities law. Any statements that are contained in this news release that are not statements of historical fact may be deemed to be forward-looking statements. Forward-looking statements are often identified by terms such as "may", "should", "anticipate", "expect", "intend" and similar expressions. Forward-looking statements in this news release include, but are not limited to plans and expectations regarding the 2025 exploration program; plans and expectations regarding future project development; growth potential and future financial or operating performance; timing of key catalysts; planned activities, including further drilling, at the North Island Project; and the Company's plans for advancement of the North Island Project. Forward-looking statements necessarily involve known and unknown risks, including, without limitation, Northisle's ability to implement its business strategies; risks associated with mineral exploration and production; risks associated with general economic conditions; adverse industry events; stakeholder engagement; marketing and transportation costs; loss of markets; volatility of commodity prices; inability to access sufficient capital from internal and external sources, and/or inability to access sufficient capital on favourable terms; industry and government regulation; changes in legislation, income tax and regulatory matters; competition; currency and interest rate fluctuations; and other risks. Readers are cautioned that the foregoing list is not exhaustive.

Readers are further cautioned not to place undue reliance on forward-looking statements as there can be no assurance that the plans, intentions, or expectations upon which they are placed will occur. Such information, although considered reasonable by management at the time of preparation, may prove to be incorrect and actual results may differ materially from those anticipated. Forward-looking statements contained in this news release are expressly qualified by this cautionary statement.

The forward-looking statements contained in this news release represent the expectations of management of Northisle as of the date of this news release, and, accordingly, are subject to change after such date. Northisle does not undertake any obligation to update or revise any forward-looking statements, whether as a result of new information, future events or otherwise, except as expressly required by applicable securities law.

Neither the TSX Venture Exchange nor its Regulation Services Provider (as that term is defined in the policies of the TSX Venture Exchange) accepts responsibility for the adequacy or accuracy of this news release.

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"Alex is legendary for his leadership in discovering, acquiring, and selling some of the world's largest mineral deposits, which will be invaluable in our pursuit of unlocking our 35 km porphyry district at the North Island Project."

Nicholas Van Dyk, CFA
Chief Financial Officer
Tel: (604) 638-2515
Email: info@northisle.ca
www.northisle.ca