Granite Creek Provides Corporate Update

Vancouver, British Columbia--(Newsfile Corp. - June 17, 2025) - Granite Creek Copper Ltd. (TSXV: GCX) (OTC Pink: GCXXF) ("Granite Creek" or the "Company") announces that, in accordance with the policies of the TSX Venture Exchange (the "TSXV"), Cascadia Minerals Ltd. ("Cascadia") and Granite Creek have agreed to amend the terms of the non-interest-bearing bridge loan (the "Bridge Loan") to be provided by Cascadia. Under the terms of the amended agreement, the Bridge Loan will have a term of one year and will be repayable on demand by Cascadia in cash or, at Cascadia's option, may be converted into up to 7,500,000 common shares of Granite Creek at a conversion price of $0.05 per share. The issuance of the Bridge Loan remains subject to TSXV approval.

In addition, the Company is pleased to announce the closing of the sale of its wholly owned subsidiary, Element One Hydrogen, to Buscando Resources Inc., as previously disclosed in the Company's news release dated April 29, 2025.

About Granite Creek Copper

Granite Creek Copper, a member of the Metallic Group of Companies, is a focused on the exploration and development of critical minerals projects in North America. The Company's projects consist of its flagship 177 square kilometer Carmacks project in the Minto copper district of Canada's Yukon Territory on trend with the formerly operating, high-grade Minto copper-gold mine and the advanced stage LS molybdenum project and the Star copper-nickel-PGM project, both located in central British Columbia. More information about Granite Creek Copper can be viewed on the Company's website at www.gcxcopper.com.

Forward-Looking Statements

Forward-Looking Statements: This news release includes certain statements that may be deemed "forward-looking statements" or "forward-looking information". All statements in this release, other than statements of historical facts including, without limitation, statements regarding expected use of proceeds from the private placement and future plans and objectives of the company are forward-looking statements that involve various risks and uncertainties. Although Granite Creek Copper believes the expectations expressed in such forward-looking statements are based on reasonable assumptions, such statements are not guarantees of future performance and actual results or developments may differ materially from those in the forward-looking statements. Forward-looking statements are based on a number of material factors and assumptions. Factors that could cause actual results to differ materially from those in forward-looking statements include failure to obtain necessary approvals, unsuccessful exploration results, changes in project parameters as plans continue to be refined, results of future resource estimates, future metal prices, availability of capital and financing on acceptable terms, general economic, market or business conditions, risks associated with regulatory changes, defects in title, availability of personnel, materials and equipment on a timely basis, accidents or equipment breakdowns, uninsured risks, delays in receiving government approvals, unanticipated environmental impacts on operations and costs to remedy same, and other exploration or other risks detailed herein and from time to time in the filings made by the companies with securities regulators. Readers are cautioned that mineral resources that are not mineral reserves do not have demonstrated economic viability. Mineral exploration and development of mines is an inherently risky business. Accordingly, the actual events may differ materially from those projected in the forward-looking statements. For more information on Granite Creek Copper and the risks and challenges of their businesses, investors should review their annual filings that are available at www.sedarplus.ca.

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 release.

Not for dissemination in the United States of America or through U.S. newswire services.

To view the source version of this press release, please visit https://www.newsfilecorp.com/release/255784