Arizona Sonoran Announces Filing of Final Short Form Prospectus in Connection With C$45,000,000 Bought Deal Financing

Arizona Sonoran Copper Company Inc. (TSX:ASCU | OTCQX:ASCUF) (“ASCU” or the “Company”), is pleased to announce that it has filed and been receipted for a final short form prospectus (the “Prospectus”) in connection with its bought deal offering of 22,500,000 common shares in the capital of the Company (the “Common Shares”) at a price of C$2.00 per Common Share (the “Issue Price”) for gross proceeds to the Company of C$45,000,000 (the “Offering”), as further described in the press release of the Company dated June 2, 2025. Pursuant to the Offering, the Company also granted the underwriters an over-allotment option to purchase at the Issue Price up to an additional 15% of the Common Shares issued in connection with the Offering, which option is exercisable, in whole or in part, by the underwriters at any time up to and including 30 days after the closing of the Offering. The underwriters have exercised the over-allotment option in full.

In connection with the Offering, the Company has entered into an underwriting agreement with Scotia Capital Inc., as sole bookrunner, on behalf of a syndicate of underwriters including Canaccord Genuity Corp., Paradigm Capital Inc., Raymond James Ltd., Haywood Securities Inc., RBC Dominion Securities Inc., and Stifel Nicolaus Canada Inc.

Delivery of the Prospectus and any amendment will be satisfied in accordance with the “access equals delivery” provisions of applicable securities legislation. The Prospectus is accessible on SEDAR+ (www.sedarplus.ca) under the Company’s issuer profile.

An electronic or paper copy of the Prospectus and any amendment may be obtained, without charge, from Scotia Capital Inc. by email at [e-mail] by providing Scotia Capital Inc. with an email address or address, as applicable. The Prospectus contains important, detailed information about the Company and the Offering. Prospective investors should read the Prospectus before making an investment decision.

The Offering is subject to certain conditions including, but not limited to, the approval of the Toronto Stock Exchange.

The securities offered in the Offering have not been, and will not be, registered under the U.S. Securities Act or any U.S. state securities laws, and may not be offered or sold in the United States or to, or for the account or benefit of, United States persons absent registration or any applicable exemption from the registration requirements of the U.S. Securities Act and applicable U.S. state securities laws. This press release shall not constitute an offer to sell or the solicitation of an offer to buy securities in the United States, nor shall there be any sale of these securities in any jurisdiction in which such offer, solicitation or sale would be unlawful.