Mr. Paul Reid reports

CORE NICKEL ANNOUNCES BOARD CHANGES

Core Nickel Corp. has appointed David Smith and Tim Dalton as independent directors of the company effective Sept. 8, 2025.

David Smith

Mr. Smith has been in the minerals exploration business for over 40 years. His experience spans the exploration industry and includes work in the United States, Canada, Mexico, Chile and China on a wide range of ore deposits with particular emphasis on gold and precious metals.

Mr. Smith is currently the vice-president of exploration for Arizona Metals Corp., a Toronto Stock Exchange-listed company (TSX: AMC), that is advancing the Kay Mine VMS project located in Yavapai county, Arizona. Mr. Smith holds a BA from Carleton College, 1986; a MS from the University of Oregon, 1995; and a MBA from Bainbridge Graduate Institute, 2007. He is a certified professional geologist with the American Institute of Professional Geologists.

Tim Dalton

Mr. Dalton has over 25 years of capital markets experience with a focus on equity sales and trading. Over this time frame, Mr. Dalton has worked with numerous small and mid market companies, helping raise development capital in the mining sector and beyond. Mr. Dalton is currently the managing director of an exempt market dealer, registered with the Ontario Securities Commission.

Chis Tate, president and chief executive officer of Core Nickel, commented: "It is with great enthusiasm that we welcome David and Tim to the board of Core Nickel. David brings decades of geologic expertise that will be invaluable as we continue to advance our nickel properties and look for additional strategic opportunities. Tim brings extensive experience in the capital markets industry, spanning over 20 years. His strong relationships and respected reputation will significantly contribute to elevating Core's presence with both new and existing shareholders."

The company also announces that Cory Belyk has resigned as a director of the company effective Sept. 8, 2025.

About Core Nickel Corp.

Core Nickel is a junior nickel exploration company that controls 100 per cent of five projects in the Thompson nickel belt (TNB), a prolific nickel district located in Northern Manitoba, Canada.

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