<img src="https://ml.globenewswire.com/Resource/Download/2ec99caf-32df-458e-9265-4f569055e0cd?size=2" nborder="0" align="left" hspace="5" vspace="5" title="logo Globe.png" alt="American Gold & Copper Inc."/>Coverage Initiation Report Reviews the Company’s Copper-Gold-Silver Portfolio, Staged Development Strategy and Principal Investment ConsiderationsSOUTHLAKE, Texas, Aug. 19, 2026 <a href="https://www.globenewswire.com" target="_blank">(GLOBE NEWSWIRE)</a> -- American Gold &amp; Copper Inc. (OTC: AGCI) (the “Company” or “AGCI”) announced the initiation of equity research coverage by Harbinger Research, LLC. The coverage initiation report was prepared by Brian R. Connell, CFA, Harbinger Research’s Managing Director and an equity research professional with more than 25 years of experience in the securities industry. The report, titled “Advancing a Historically Explored Copper-Gold System Toward Production,” provides an overview of AGCI’s business, mineral projects, management team, capital structure and development strategy. It focuses principally on the Company’s 42,175-hectare Ascensión de Guarayos copper-gold-silver project in Santa Cruz, Bolivia, and also discusses the proposed acquisition of the Rimrock copper-gold project in Lander County, Nevada. Among other matters, the report examines historical exploration and development work at Ascensión de Guarayos, the Company’s staged plan to advance shallow gold mineralization before pursuing copper-bearing zones, the technical and operating experience of AGCI’s leadership, and the financing, geological, metallurgical, regulatory and execution risks associated with the Company’s plans. The report also notes the speculative nature of an investment in a development-stage mining company and that the project’s current resource analysis is historical and does not meet NI 43-101 standards. The full Harbinger Research report is available here: <a href="https://www.globenewswire.com/Tracker?data=BzR9Yd4ST47X2CxxpgMd7-S4Zi2THjUSJEgWGGtZPYKBCXkdMzysS5TaruirjcerLp_5qaMzgmlaq-z0KGyI0jYqIGuyukC0jRJp54s5xkS20Mk9G7CKT_9y0fDc54Za8WWFirDUHUIGEAsjjyRSqvLWcr5X6lDaK3jkC2Eh40QFSWj1K30Pxz5GDw5e5IyyHJ4YJz6W5SZ-pU-gSU2DuA==" rel="nofollow" target="_blank" title="HARBINGER RESEARCH REPORT">HARBINGER RESEARCH REPORT</a> About Harbinger Research Harbinger Research describes itself as an independent research company providing in-depth equity research coverage to smaller U.S.-traded companies and the individuals and institutions that invest in them. Harbinger was founded in 2004 by Brian R. Connell, CFA, who serves as Managing Director. Mr. Connell’s background includes experience as an equity analyst and portfolio manager, founder and Chief Executive Officer of StreetFusion, and senior analytical roles with Neovest, Preferred Capital Markets and Marquis Capital Management. He holds degrees in Economics and Psychology from Duke University and is a CFA charterholder. Research Disclosure American Gold &amp; Copper paid Harbinger Research $7,500 for the preparation and distribution of the research report. As disclosed in the report, Harbinger states that it retains complete editorial control over its research. The report is provided for informational purposes and does not constitute a recommendation, solicitation to purchase or sell any security, or investment advice. Investors are encouraged to review the report in its entirety, including Harbinger’s analyst certification, disclosures and disclaimer. Corporate Development Update In connection with its ongoing corporate transition, the Company has engaged a PCAOB-registered public accounting firm to conduct audits of its financial statements for the two most recent fiscal years as part of its preparation to become a fully reporting company with the U.S. Securities and Exchange Commission (SEC). The Company has also selected and engaged a sponsoring broker to prepare and submit a Rule 15c2-11 application with FINRA. About American Gold &amp; Copper Inc. American Gold &amp; Copper Inc. (OTC: AGCI) is a U.S. mineral exploration and development company focused on the acquisition, exploration, evaluation, development, and advancement of copper, gold, silver, and other mineral resource opportunities. The Company’s initial operating focus is the continued technical evaluation and advancement of the Ascensión de Guarayos copper-gold-silver project in eastern Bolivia through its wholly owned subsidiaries American Copper &amp; Gold Inc., South American Copper Ltd., and Minerasac SA S.R.L. The Company has also entered into a memorandum of understanding relating to the proposed acquisition of the Rimrock copper-gold project in Lander County, Nevada. Through disciplined acquisitions, technical evaluation, and responsible resource development, the Company is building a portfolio of mineral projects located in established mining jurisdictions with the objective of creating long-term shareholder value. For additional background, South American Copper’s January 2026 Corporate Business Summary provided by the company, can be viewed here: <a href="https://www.globenewswire.com/Tracker?data=bHx4paLOC6rUgBLSoS_Hb0b0-3-VxPP4_U1Te9Olni1lYy5ss1q1hErgYUzXdn4Nh2qFc-afgQ_iGMBASBXfIdX-muiyquVozeprKH5uAjAsRoUjS4v-_IYzn6trWJBMS7u5EmLRjX7_7FQ-EnKMLFIDAc2CKkjoCHRB5mBYbemimHQ8BMPLWm9Yj1ps2bU2GRcmHu-Cc7eaJ3VdKxK0hg==" rel="nofollow" target="_blank" title="South American Copper Business Summary">South American Copper Business Summary</a> Forward-Looking Statements This press release contains forward-looking statements, including statements regarding the Company’s strategic plans for the continued evaluation and advancement of its Bolivian mining assets; the proposed acquisition and potential advancement of the Rimrock copper-gold project; anticipated additional technical review, exploration planning, development initiatives, financing activities, potential exchange listings, management expansion, and other statements that are not historical facts. Forward-looking statements are generally identified by words such as “expects,” “intends,” “plans,” “anticipates,” “believes,” “potential,” “may,” “could,” “will,” and similar expressions. These statements are subject to risks and uncertainties that could cause actual results to differ materially, including risks relating to capital availability, regulatory approvals, technical evaluation outcomes, commodity price volatility, political and operational risks in Bolivia, environmental and permitting matters, risks inherent in mineral exploration and development, the possibility that the proposed Rimrock acquisition may not be completed, and other risks associated with development-stage public companies. Certain technical and project information referenced in this release is derived from historical technical reports and supplementary technical materials. Such information has not been updated into a current technical report and should not be relied upon as a current compliant mineral resource or reserve estimate. Readers should not place undue reliance on forward-looking statements, which speak only as of the date of this release. The Company undertakes no obligation to update such statements except as required by law. This release does not constitute an offer to sell or solicitation of an offer to buy any securities. Investor Relations Contact: American Gold &amp; Copper Inc. Email: <a href="https://www.globenewswire.com/Tracker?data=Q7JPZfREZ_aIglgmeX6jEc-vJESMVAqMyapnRfBIkqkKoqkJAb8HJCETQ4vOyFL6fkxzv0GDn-_SHImA0r17aqpC_cwbURPtFix0B2ciTL6OAqofMGlpXVavOnRAn3ST" rel="nofollow" target="_blank" title="info@americangoldandcopper.com">info@americangoldandcopper.com</a> Web: <a href="https://www.globenewswire.com/Tracker?data=FCzsYMzD35QkdE4gqj3B-Znn00Oe3WWVGKd_P8ymcaqwpHj5wgMtdij5XMI3j32azk9YMpjKMRJxEUqonEEjBWCGGgE2dqCSiND-SkwoghjuIG3j6hEXZtQcM5mrkS6y" rel="nofollow" target="_blank" title="">https://americangoldandcopper.com</a> <img alt="" src='https://ml.globenewswire.com/media/YzU2ZjgxNGQtMTE4Yy00OTBjLWE0MmYtZWRmYzljNTA5NzZiLTUwMDE2NjczOC0yMDI2LTA4LTE5LWVu/tiny/American-Gold-Copper-Inc-.png' referrerpolicy='no-referrer-when-downgrade' />

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American Gold & Copper Inc. (OTC: AGCI) Announces Initiation of Research Coverage by Harbinger Research

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