Blackrock Silver Announces Filing of Tonopah West Updated Preliminary Economic Assessment Technical Report

Rhea-AI Summary

Blackrock Silver (OTCQX:BKRRF) filed an independent Updated Preliminary Economic Assessment Technical Report for its 100%-owned Tonopah West silver-gold project in Nevada. The report is effective March 25, 2026 and dated May 12, 2026.

Prepared under NI 43-101 and CIM standards, it supports the March 31, 2026 preliminary economic assessment disclosure. The full report is available on SEDAR+ and the company website.

News Market Reaction – BKRRF

-5.41%

-5.41% Session close to close

In the May 13 session, BKRRF declined 5.41%, reflecting a notable negative market reaction.

Data tracked by StockTitan Argus on the day of publication.

AI-generated analysis. How Rhea-AI works. Not financial advice.

See more from StockTitan in Google Search and AI answers. Adds StockTitan as a preferred source · opens Google

Add on Google Not now

Vancouver, British Columbia--(Newsfile Corp. - May 13, 2026) - Blackrock Silver Corp. (TSXV: BRC) (OTCQX: BKRRF) (FSE: AHZ0) (the "Company" or "Blackrock") is pleased to announce that it has filed on SEDAR+ an independent technical report titled "Updated Preliminary Economic Assessment of Mineral Resource Estimate - Tonopah West Silver-Gold Project, Nye and Esmeralda Counties, Nevada, USA" effective March 25, 2026 and dated May 12, 2026 (the "Technical Report") for the Company's 100%-owned Tonopah West silver-gold project ("Tonopah West"). The Technical Report was prepared in accordance with the Canadian Institute of Mining, Metallurgy and Petroleum Definition Standards for Mineral Resources and Mineral Reserves adopted May 19, 2014, and in accordance with National Instrument 43-101 – Standards of Disclosure for Mineral Projects ("NI 43-101") and supports the disclosure made by the Company in its March 31, 2026 news release announcing the results of a preliminary economic assessment for Tonopah West. There are no material differences in the Technical Report from the information disclosed in the March 31, 2026 news release.

The Technical Report is available under the Company's profile on SEDAR+ (www.sedarplus.ca). A copy of the Technical Report is also located on the Company's website.

About Blackrock Silver Corp.

Blackrock Silver Corp. is an American-focused emerging primary silver developer systematically advancing the high-grade Tonopah West Project, situated in the historic "Queen of the Silver Camps" in a jurisdiction consistently ranked as one of the top mining regions globally. The Company is backstopped by a veteran board and technical team with a proven track record of discovering, financing, and building major precious metal mines in Nevada and globally. Blackrock is committed to establishing a secure, high-margin, domestic supply of silver and gold.

Additional information on Blackrock Silver Corp. can be found on its website at www.blackrocksilver.com and by reviewing its profile on SEDAR+ at www.sedarplus.ca.

For further information, please contact:

Andrew Pollard, President & Chief Executive Officer
Blackrock Silver Corp.
Phone: 604 817-6044
Email: info@blackrocksilver.com

Sean Thompson, Head of Investor Relations
Blackrock Silver Corp.
Email: sean@blackrocksilver.com

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

To view the source version of this press release, please visit https://www.newsfilecorp.com/release/297264

FAQ

What did Blackrock Silver (BKRRF) file for the Tonopah West project on May 13, 2026?

Blackrock Silver filed an independent Updated Preliminary Economic Assessment Technical Report for its 100%-owned Tonopah West silver-gold project. According to Blackrock Silver, the report is effective March 25, 2026 and dated May 12, 2026, and is now publicly accessible.

How does the new Tonopah West Technical Report affect Blackrock Silver (BKRRF) investors?

The Technical Report formally documents the preliminary economic assessment results for Tonopah West under NI 43-101 standards. According to Blackrock Silver, it supports information previously disclosed on March 31, 2026, giving investors a compliant, detailed reference for the project’s mineral resource estimate.

Where can investors access Blackrock Silver’s Tonopah West Updated PEA Technical Report?

Investors can access the Updated Preliminary Economic Assessment Technical Report on SEDAR+ under Blackrock Silver’s profile. According to Blackrock Silver, a copy is also available on the company’s website, providing convenient access to the full Tonopah West project disclosure.

What reporting standards were used for Blackrock Silver’s Tonopah West Updated PEA?

The Tonopah West Updated Preliminary Economic Assessment was prepared under NI 43-101 and CIM Definition Standards. According to Blackrock Silver, these standards govern mineral resource and reserve reporting, helping ensure consistent, transparent technical disclosure for the project’s silver-gold mineral resource estimate.

Does the Tonopah West Updated Technical Report change Blackrock Silver’s March 31, 2026 PEA results?

Blackrock Silver indicates there are no material differences between the Technical Report and the March 31, 2026 preliminary economic assessment disclosure. According to Blackrock Silver, the report mainly provides formal, detailed support for the previously announced Tonopah West project results.