Silver Bow Mining Corp. Announces Commencement of Surface Drilling at Butte Project
BUTTE, MONTANA — May 4, 2026 — Silver Bow Mining Corp. (NYSE American: SBMT) (“Silver Bow Mining” or the “Company”) today announced that surface drilling has commenced at the Company’s Rainbow Block Project in the Butte Mining District of Montana, marking the launch of its 2026 exploration program.
The 2026 program is designed to advance the Company’s understanding of mineralization across the Rainbow Block and to support ongoing evaluation of priority silver, gold, zinc, and lead targets. The surface drill program is expected to include approximately 25,000 feet of drilling on Company private lands and test areas adjacent to the Company’s previously announced Inferred Mineral Resource Estimate of approximately 170 million silver equivalent ounces at 14.8 oz/ton (or 4.28 oz/ton Ag, 0.05 oz/ton Au, 1.25% Pb, and 4.59% Zn) as announced in the Company’s news release dated June 30, 2025.
In addition, the Company plans to collect multi-element assays to evaluate the presence of copper, manganese, indium, bismuth, antimony, gallium, germanium, and other Critical Minerals as defined by the United States government.
The Company’s exploration activities are regulated by the Montana Department of Environmental Quality and are being conducted pursuant to Exploration License #00857. The Company will provide updates as results become available in accordance with applicable securities laws.
Qualified Person
The scientific and technical information contained in this news release has been reviewed and approved by Phillip Nickerson, Ph.D., CPG, Vice President of Exploration of Silver Bow Mining Corp., who is a “qualified person” within the meaning of National Instrument 43-101 — Standards of Disclosure for Mineral Projects.
About Silver Bow Mining Corp.
Silver Bow Mining Corp. is a minerals exploration company advancing the Butte Mining District of Montana, targeting a broad suite of U.S.-designated Critical Minerals — including silver, copper, zinc, lead, manganese, germanium, gallium, antimony, bismuth, and indium — alongside gold. The Company holds approximately 4,193 acres of patented mineral claims and approximately 1,410 acres of surface lands across multiple claim blocks in this historically prolific district, including the flagship Rainbow Block.
Forward-Looking Statements
This news release contains forward-looking statements within the meaning of the U.S. Securities Act of 1933, as amended, the U.S. Securities Exchange Act of 1934, as amended, and forward-looking information within the meaning of applicable Canadian securities laws. All statements, other than statements of historical fact, that address activities, events or developments the Company expects or anticipates will or may occur in the future are forward-looking statements. Such statements involve known and unknown risks, uncertainties and other factors that may cause actual results to differ materially. Additional risk factors are discussed under the headings “Forward-Looking Statements” and “Risk Factors” in the Company’s Registration Statement on Form S-1, as amended, filed with the U.S. Securities and Exchange Commission on April 24, 2026, the Company’s Canadian prospectus dated April 29, 2026, filed on SEDAR+, and in other documents filed with securities regulators. Readers are cautioned not to place undue reliance on forward-looking statements, which speak only as of the date of the applicable release. Except as required by law, the Company undertakes no obligation to update forward-looking statements.