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

Rhea-AI Summary

AbraSilver Resource Corp. (OTCQX: ABBRF) has filed a National Instrument 43-101 compliant technical report for its updated mineral resource estimate on the Diablillos silver-gold project in Salta province, Argentina. The report, dated September 12, 2025, with an effective date of July 29, 2025, confirms the previously disclosed results from the July 29 news release without any material differences.

The technical report is now available on SEDAR+ and the company's website for public access.

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Toronto, Ontario--(Newsfile Corp. - September 12, 2025) - 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 Salta province, Argentina.

The Report titled "NI 43-101 Technical Report, Mineral Resource Estimate for the Diablillos Ag-Au Project" is dated September 12, 2025 and has an effective date of July 29, 2025. There are no material differences in the Report from the results disclosed in the Company's July 29, 2025 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 province of Argentina. The current Measured and Indicated Mineral Resource estimate for Diablillos (tank leach-only) consists of 73.1 Mt grading 79 g/t Ag and 0.66 g/t Au, containing approximately 186Moz silver and 1.6Moz 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.

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

To view the source version of this press release, please visit https://www.newsfilecorp.com/release/266296

FAQ

What is the effective date of AbraSilver's (ABBRF) new technical report for the Diablillos project?

The technical report has an effective date of July 29, 2025, while the report itself is dated September 12, 2025.

Where can investors find AbraSilver's (ABBRF) new Diablillos project technical report?

The technical report is available on SEDAR+ (www.sedarplus.ca) and on AbraSilver's website (www.abrasilver.com).

Are there any material differences between ABBRF's July 29 news release and the new technical report?

No, there are no material differences between the results disclosed in the July 29, 2025 news release and the new technical report.

What type of resource is covered in AbraSilver's new technical report?

The report covers an updated mineral resource estimate for the Diablillos silver-gold (Ag-Au) project located in Salta province, Argentina.