AbraSilver Announces Filing of Technical Report for Updated Mineral Resource Estimate on the Diablillos Project

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AbraSilver (OTCQX: ABBRF) filed a National Instrument 43-101 compliant updated mineral resource estimate for its wholly owned Diablillos silver-gold project in Argentina.

The Report, dated June 19, 2026 with an effective date of May 6, 2026, shows no material differences from the May 6, 2026 disclosure and is available on SEDAR+ and the company website.

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Toronto, Ontario--(Newsfile Corp. - June 19, 2026) - AbraSilver Resource Corp. (TSX: ABRA) (OTCQX: ABBRF) ("AbraSilver" or the "Company") is pleased to announce that it has filed a National Instrument 43-101 - Standards of Disclosure for Mineral Projects compliant updated mineral resource estimate (the "Report") on its wholly-owned Diablillos project in Argentina.

The Report titled "NI 43-101 Mineral Resource Estimate, Diablillos Silver-Gold Project" is dated June 19, 2026 and has an effective date of May 6, 2026. There are no material differences in the Report from the results disclosed in the Company's May 6, 2026 news release. The Report can be found under the Company's profile on SEDAR+ (www.sedarplus.ca) and on the Company's website (www.abrasilver.com).

About AbraSilver

AbraSilver is an advanced-stage exploration company focused on rapidly advancing its 100%-owned Diablillos silver-gold project in the mining-friendly Salta and Catamarca provinces of Argentina. The current Measured and Indicated Mineral Resource estimate for Diablillos (tank leach-only) consists of 102.0 Mt grading 65 g/t Ag and 0.62 g/t Au, containing approximately 213Moz of silver and 2.0Moz of gold, with significant further upside potential based on recent exploration drilling. The Company is led by an experienced management team and has long-term supportive shareholders. In addition, the Company has an earn-in option and joint venture agreement with Teck on the La Coipita project, located in the San Juan province of Argentina. AbraSilver is listed on the Toronto Stock Exchange under the symbol "ABRA" and in the U.S. on the OTCQX under the symbol "ABBRF."

For further information, please visit the AbraSilver Resource website at www.abrasilver.com, our LinkedIn page at AbraSilver Resource Corp., and follow us on X at www.x.com/abrasilver

Alternatively, please contact:

John Miniotis, President and CEO
info@abrasilver.com
Tel: +1 416-306-8334

Cautionary Statements

This news release includes certain "forward-looking statements" under applicable Canadian securities legislation. Forward-looking statements are necessarily based upon a number of estimates and assumptions that, while considered reasonable, are subject to known and unknown risks, uncertainties, and other factors which may cause the actual results and future events to differ materially from those expressed or implied by such forward-looking statements. All statements that address future plans, activities, events or developments that the Company believes, expects or anticipates will or may occur are forward-looking information. There can be no assurance that such statements will prove to be accurate, as actual results and future events could differ materially from those anticipated in such statements. Accordingly, readers should not place undue reliance on forward-looking statements. When considering this forward-looking information, readers should keep in mind the risk factors and other cautionary statements in the Company's disclosure documents filed with the applicable Canadian securities regulatory authorities on SEDAR+ at www.sedarplus.ca. The risk factors and other factors noted in the disclosure documents could cause actual events or results to differ materially from those described in any forward-looking information. The Company disclaims any intention or obligation to update or revise any forward-looking statements, whether as a result of new information, future events or otherwise, except as required by law.

To view the source version of this press release, please visit https://www.newsfilecorp.com/release/302253

FAQ

What did AbraSilver (ABBRF) announce about the Diablillos project on June 19, 2026?

AbraSilver announced it filed an updated NI 43-101 mineral resource estimate for the Diablillos silver-gold project. According to AbraSilver, the report is compliant with NI 43-101 standards and confirms previously disclosed results from May 6, 2026.

What is the effective date of AbraSilver's updated NI 43-101 report for Diablillos (ABBRF)?

The effective date of AbraSilver's updated NI 43-101 mineral resource estimate for Diablillos is May 6, 2026. According to AbraSilver, the report itself is dated June 19, 2026 and reflects the same results as the May 6, 2026 news release.

Are there any material differences in AbraSilver’s new Diablillos mineral resource report (ABBRF)?

AbraSilver reports there are no material differences in the updated Diablillos NI 43-101 report versus its May 6, 2026 disclosure. According to AbraSilver, the filed report confirms the previously released mineral resource estimate results for the project.

Where can investors access AbraSilver’s updated NI 43-101 Diablillos report (ABBRF)?

Investors can access AbraSilver’s updated NI 43-101 Diablillos report on SEDAR+ and the company’s website. According to AbraSilver, the report is filed under its SEDAR+ profile and is also available directly at www.abrasilver.com for investor review.

What does the NI 43-101 filing mean for AbraSilver (ABBRF) Diablillos disclosure?

The NI 43-101 filing formalizes AbraSilver’s updated Diablillos mineral resource estimate under Canadian disclosure standards. According to AbraSilver, the compliant report supports the May 6, 2026 resource results and provides an official technical basis for ongoing project communications.