Slide 1: June 2026
June 2026
Slide 2: Legal Disclaimers
Legal Disclaimers Silver Bow Mining Corp. (“Silver Bow Mining”, “SBM” or the “Company") has filed a registration statement on Form S-1 (including a preliminary base PREP prospectus) (the “Registration Statement”) with the Securities and Exchange Commission (the “SEC”) for the offering to which this
Slide 3: Mineral Resource Estimate Disclaimer
Mineral Resource Estimate Disclaimer Mineral Resource Estimate The inferred Mineral Resource estimate contained in this presentation was prepared in accordance with the requirements of SEC Regulation S-K 1300 (S-K 1300) and National Instrument 43-101 (NI 43-101). Mineral resources are not mineral re
Slide 4: Management
Management Chairman and CEO: Travis Naugle Travis Naugle brings more than 25 years of mining experience, driving the domestic development of copper, zinc, silver, gold, and other metals vital to U.S. industry and technology. A seasoned leader with deep roots in critical minerals, he began his career
Slide 5: Management
Management Vice President of Regulatory and External Affairs: Doug Stiles Doug Stiles has extensive experience in U.S. mining permitting, regulatory compliance, and government relations, with particular expertise in Montana. He has worked closely with federal and state regulators, including the U.S.
Slide 6: Board of Directors
Board of Directors Director: Dr. Quinton Hennigh Quinton Hennigh is an economic geologist with more than 25 years of experience at companies including Homestake Mining Company, Newcrest Mining Ltd., and Newmont Corp. His discoveries include the 5-million-oz Springpole gold deposit. He is currently c
Slide 7: Investment Highlights
Investment Highlights Located in a Historically Prolific Mining Project Permitting and Planned Development Significant Upside Remaining District in the U.S. • Located on private lands in Butte, Montana • Land package: approx. 4,193 acres of mineral rights • Current reported resource only reflects an
Slide 8: Silver – Critical Mineral at a Critical Moment
Silver – Critical Mineral at a Critical Moment Silver demand is structurally rising, driven by industrial use ❑ An industrial metal, not just a monetary one, with accelerating demand from electrification, power infrastructure, electronics, and solar ❑ Unlike gold, silver demand is tied directly to p
Slide 9: Company Overview
Company Overview Underground silver-zinc-gold-lead vein system in a historically prolific U.S. mining district • Silver Bow Mining Corp. is advancing exploration in the historic Butte Mining District, Montana, targeting high-grade silver, zinc, gold, and lead, plus associated metals including mangan
Slide 10: Butte, Montana
Butte, Montana historically known as “The Richest Hill On Earth” • By 1906 Butte mines were producing approximately 20% of the world's copper supply1 • During World War I, Butte's mines produced nearly one-third of all U.S. copper2 • 98% of all manganese required for steel production in both World W
Slide 11: Butte District Production & Unmined Metal
Butte District Production & Unmined Metal Pro duce d a nd Rem ain ing Metals in Ma jor US Copp er Di stricts A District Rich in 90 Metals 80 70 Copper (billion lbs) According to a 1998 USGS 60 compilation of past production and 50 remaining resources “Butte, 40 Montana, is the largest deposit 30 of
Slide 12: Butte Property and District: Claim Blocks
Butte Property and District Claim Blocks Claim Blocks Marget Ann • Patented mineral claims controlling approximately 4,193 acres of mineral Goldsmith rights and approximately 1,410 acres of Rainbow surface rights1 Great Republic • Mineral claim blocks • Rainbow Block (subject of MRE) Berkeley Pit Co
Slide 13: Butte Property and District: Rainbow Block
Butte Property and District Rainbow Block Rainbow Block • Past production by Anaconda and New Butte Mining from silver-zinc-gold-lead veins, and copper veins at depth1 • Location of the Company’s Mineral Resource Estimate1 • Over 100 years of high-quality Rainbow Block exploration, mining and assay
Slide 14: Rainbow Block Vein Solids
Rainbow Block Vein Solids Above Water on Rainbow Block Vein Solids Vein Solids Above Modeled Water Table Outline of Rainbow Block • The 2025 Mineral Resource Estimate includes over 40 polymetallic veins within the Rainbow Block • SBM’s geologic model includes over 80 veins1 and historic data which c
Slide 15: Rainbow Block Legacy Workings
Rainbow Block Legacy Workings on Rainbow Block Badger Modeled Vein Solids Underground Shaft Workings • Rainbow Block workings reach over 4,000 feet below surface1 • Badger shaft bottom at approximately 4,167 feet of depth1 Empire State Building (1,250 ft for scale) • Over 10,000 miles of underground
Slide 16: Rainbow Block Drilling & Underground Channel Samples
Rainbow Block Drilling & Underground Channel Samples Drilling & Channel AgEq opt Vein Solids Above Modeled Water Table Samples • Over 15,000 Anaconda channel samples have been incorporated into the assay database, overseen by independent QPs1 Outline of Rainbow Block • Company’s drill hole database
Slide 17: Rainbow Block Drilling Highlights
Rainbow Block Drilling Highlights1 Vein Intercept Hole ID Dip Azimuth From (ft) To (ft) Interval (ft)* AgEq (opt) Au (opt) Ag (opt) Pb (%) Zn (%) Mn (%)** Cu (%)** Rainbow-Alice BJS21-03 -60 160 410.5 454.0 43.5 0.014 3.60 1.7 2.6 3.8 0.1 Drilling Results 8.9 including 445.5 446.9 1.4 38.8 0.045 13.
Slide 18: Rainbow Block Inferred Mineral Resource Estimate
Rainbow Block Inferred Mineral Resource Estimate (See Mineral Resource Estimate Disclaimer) Average Grade and Contained Metal in the AgEq Inferred Mineral Resource (Imperial Units) Mineral Resource Vein Material Silver (Ag) Gold (Au) Lead (Pb) Zinc (Zn) Estimate Tons (M) 11.48 Ounces 49,155,194 op
Slide 19: Stakeholder & Environmental Relations
Stakeholder & Environmental Relations Active Stakeholder Engagement • Butte–Silver Bow Administration • Atlantic Richfield (AR) • Montana Technological University • U.S. Environmental Protection Agency (EPA) • Other relevant U.S. Government agencies Managed Environmental System • Federally regulated
Slide 20: Future Exploration Plans: Rainbow Block Surface Drilling
Future Exploration Plans Rainbow Block Surface Drilling Modeled Vein Solids Surface Drilling Inferred MRE Planned Drillholes • Ongoing 25,000 ft surface drill program on the Rainbow Block • First results expected to be released Q2 2026 • Targeting expansion of the existing inferred Mineral Resource
Slide 21: Future Exploration Plans: Rainbow Block Surface Drilling
Future Exploration Plans Rainbow Block Surface Drilling Surface Drilling • High-conviction targets adjacent to 2025 Mineral Resource Estimate • Significant exploration potential along strike, down dip, and in under-explored veins • Drill targets include the following veins: o Auraria o Chief Joseph
Slide 22: Future Exploration Plans: Underground Exploration
Future Exploration Plans Rainbow Block Underground Exploration UNDERGROUND EXPLORATION WORK Underground 6 MONTHS Exploration • Underground drilling planned to commence in Q4 2026 Chief Joseph Decline • Rehabilitation of the Chief Joseph Decline began May 2026 which will provide drill stations and el
Slide 23: Future Exploration Plans: Underground Exploration
Future Exploration Plans Rainbow Block Underground Exploration UNDERGROUND EXPLORATION WORK Underground MONTHS Goldsmith Exploration Decline • Access to Rainbow Block veins is planned through existing historic workings, requiring minimal rehabilitation for assessment Rainbow Decline • Planned underg
Slide 24: Goldsmith and Great Republic Exploration
Future Exploration Plans Goldsmith and Great Republic Exploration Other Exploration None-Such Vein System Blocks • The Company has recently secured the Goldsmith Block and Great Republic Block with no royalty Moody-Sankey Vein System • Goldsmith Block Agnostic-Black-Seymour-Standby Vein System • App
Slide 25: Butte Property and District: Northwest Project
Butte Property and District Northwest Project Northwest Project • In the 1940s and 1950s, Anaconda formulated the Northwest Project, a strategic plan to construct the Ryan Shaft on the Goldsmith Block with a planned hoisting capacity of up to 14,000 tons per day1 • The Ryan Shaft was designed to a d
Slide 26: Key Takeaways
Key Takeaways 1. Large, high-grade silver-dominant resource with 6. Significant exploration upside, current resource ~170M oz AgEq at attractive underground grades, constrained above the water table with multiple providing strong leverage to silver prices untested vein extensions and adjacent claim
Slide 27: Potential Catalysts for Value Creation
Silver Bow Mining Corp. Potential Catalysts for Value Creation ✓ Critical Minerals: Targeted evaluation and potential recovery of high-value U.S. Critical Minerals (e.g., manganese, copper, germanium, gallium, indium) to diversify the resource base and align with growing domestic demand ✓ Technology