File: '\\swfile\EmailIn\20260604 100018 Attachment News Release - Proposed PP (CZZ June 2026).doc'

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OR TO U.S. NEWS AGENCIES

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152 Chemin de la Mine Ecole

Val-d'Or, QC J9P 7B6

CLEGHORN MINERALS ANNOUNCES UP TO $400,000 PRIVATE PLACEMENT FINANCING

Val-d'Or, Quebec, June 4, 2026 - Cleghorn Minerals Ltd. (TSX-V:CZZ) ("Cleghorn" or the "Company") announces that it will conduct a non-brokered private placement offering pursuant to which it will issue up to 6,666,667 Units at a per Unit price of $0.06 for gross proceeds of up to $400,000. Each Unit will consist of one common share in the capital of the Company and one non-transferable share purchase warrant, each warrant entitling the purchase of one common share at a per share price of $0.10 for three years from the date of issuance of the securities.

The offering is subject to acceptance by the TSX Venture Exchange. Directors and/or officers of Cleghorn will participate in the offering.

The proceeds raised from this offering will be used by the Company for general corporate purposes. All securities issued will be subject to a hold period of four months and one day from the date of closing of the offering in accordance with applicable securities legislation and the policies of the TSX Venture Exchange.

About Cleghorn Minerals Ltd.

Cleghorn is a junior mineral exploration company with a 100% interest in the Meech Lake - Matachewan Prospect, a property located in northeastern Ontario, subject to an aggregate 3.5% NSR.

For additional information, please contact:

Glenn J. Mullan, President, Chief Executive Officer and Director

Telephone: (819) 824-2808 - Head Office

(514) 835-8384 - Cell

Forward Looking Statements:

This news release contains certain statements that may be deemed "forward-looking statements. Forward looking statements are statements that are not historical facts and are generally, but not always, identified by the words "expects", "plans", "anticipates", "believes", "intends", "estimates", "projects", "potential" and similar expressions, or that events or conditions "will", "would", "may", "could" or "should" occur. Although the Company 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 realities may differ materially from those in forward looking statements. Forward looking statements are based on the beliefs, estimates and opinions of the Company's management on the date the statements are made. Except as required by law, the Company undertakes no obligation to update these forward-looking statements in the event that management's beliefs, estimates or opinions, or other factors, should change.

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

THIS PRESS RELEASE, REQUIRED BY APPLICABLE CANADIAN LAWS, IS NOT FOR DISTRIBUTION TO U.S. NEWS SERVICES OR FOR DISSEMINATION IN THE UNITED STATES, AND DOES NOT CONSTITUTE AN OFFER TO SELL OR A SOLICITATION OF AN OFFER TO SELL ANY OF THE SECURITIES DESCRIBED HEREIN IN THE UNITED STATES. THESE SECURITIES HAVE NOT BEEN, AND WILL NOT BE, REGISTERED UNDER THE UNITED STATES SECURITIES ACT OF 1933, AS AMENDED, OR ANY STATE SECURITIES LAWS, AND MAY NOT BE OFFERED OR SOLD IN THE UNITED STATES OR TO U.S. PERSONS UNLESS REGISTERED OR EXEMPT THEREFROM.

File: Attachment News Release - Proposed PP (CZZ June 2026).pdf

THIS PRESS RELEASE IS NOT FOR DISTRIBUTION IN THE UNITED STATES OR TO U.S. NEWS AGENCIES

152 Chemin de la Mine Ecole Val-d'Or, QC J9P 7B6

CLEGHORN MINERALS ANNOUNCES UP TO $400,000 PRIVATE PLACEMENT FINANCING

Val-d'Or, Quebec, June 4, 2026 Cleghorn Minerals Ltd. (TSX-V:CZZ) ("Cleghorn" or the "Company") announces that it will conduct a non-brokered private placement offering pursuant to which it will issue up to 6,666,667 Units at a per Unit price of $0.06 for gross proceeds of up to $400,000. Each Unit will consist of one common share in the capital of the Company and one non-transferable share purchase warrant, each warrant entitling the purchase of one common share at a per share price of $0.10 for three years from the date of issuance of the securities.

The offering is subject to acceptance by the TSX Venture Exchange. Directors and/or officers of Cleghorn will participate in the offering.

The proceeds raised from this offering will be used by the Company for general corporate purposes. All securities issued will be subject to a hold period of four months and one day from the date of closing of the offering in accordance with applicable securities legislation and the policies of the TSX Venture Exchange.

About Cleghorn Minerals Ltd.

Cleghorn is a junior mineral exploration company with a 100% interest in the Meech Lake - Matachewan Prospect, a property located in northeastern Ontario, subject to an aggregate 3.5% NSR.

For additional information, please contact:

Glenn J. Mullan, President, Chief Executive Officer and Director Telephone: (819) 824-2808 Head Office

(514) 835-8384 Cell

Forward Looking Statements:

This news release contains certain statements that may be deemed "forward-looking statements. Forward looking statements are statements that are not historical facts and are generally, but not always, identified by the words "expects", "plans", "anticipates", "believes", "intends", "estimates", "projects", "potential" and similar expressions, or that events or conditions "will", "would", "may", "could" or "should" occur. Although the Company 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 realities may differ materially from those in forward looking statements. Forward looking statements are based on the beliefs, estimates and opinions of the Company's

1 THIS PRESS RELEASE IS NOT FOR DISTRIBUTION IN THE UNITED STATES OR TO U.S. NEWS AGENCIES

management on the date the statements are made. Except as required by law, the Company undertakes no obligation to update these forward-looking statements in the event that management's beliefs, estimates or opinions, or other factors, should change. Neither TSX Venture Exchange nor its Regulation Services Provider (as that term is defined in policies of the TSX Venture Exchange) accepts responsibility for the adequacy or accuracy of this news release. THIS PRESS RELEASE, REQUIRED BY APPLICABLE CANADIAN LAWS, IS NOT FOR DISTRIBUTION TO U.S. NEWS SERVICES OR FOR DISSEMINATION IN THE UNITED STATES, AND DOES NOT CONSTITUTE AN OFFER TO SELL OR A SOLICITATION OF AN OFFER TO SELL ANY OF THE SECURITIES DESCRIBED HEREIN IN THE UNITED STATES. THESE SECURITIES HAVE NOT BEEN, AND WILL NOT BE, REGISTERED UNDER THE UNITED STATES SECURITIES ACT OF 1933, AS AMENDED, OR ANY STATE SECURITIES LAWS, AND MAY NOT BE OFFERED OR SOLD IN THE UNITED STATES OR TO U.S. PERSONS UNLESS REGISTERED OR EXEMPT THEREFROM.

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