Slide 1: Strengthening American Supply Chains for Defense-Critical Minerals
Strengthening American Supply Chains for Defense-Critical Minerals JUNE 2026
Slide 2: Disclaimers & Technical Disclosures
Disclaimers & Technical Disclosures Forward-Looking Statements This Presentation of NioCorp Developments Ltd. (“NioCorp”) contains forward-looking statements within the meaning of the United States federal securities laws and forward-looking information within the meaning of applicable Canadian secu
Slide 3: Disclaimers & Technical Disclosures
Disclaimers & Technical Disclosures Financial Information Certain financial information and data included in this Presentation is unaudited and may not conform to Regulation S-X. This Presentation may contain financial forecasts and projections (collectively, “prospective financial information”) of
Slide 4: NioCorp: At-a-Glance
NioCorp: At-a-Glance Product Offtake & Strategic Alignment Elk Creek Critical Minerals Project Funding & Performance Technical De-risking with the U.S. Government Highest-Grade Niobium Development in the U.S. $500M+ 100% Capital Raises & Funding in 2025/26 of Planned Production Under Fully Permitted
Slide 5: Strong Equity Financing Success Relative to Project Capital Requirements
Strong Equity Financing Success Relative to Project Capital Requirements Anticipated Upfront CAPEX/Financing3,4 2025/2026 Capital Raises & Funding: $500M+ $1,200 $29.6M in Proceeds from $50M Equity Offering, SEPA/Warrant Exercises5 Gross Proceeds Jan. 1 – Oct. 10, 2025 Sept. 2025 $1,000 65% $5M Equi
Slide 6: NioCorp Launches Construction of Mine Portal
NioCorp Launches Construction of Mine Portal • Establishes primary underground mine entrances • Highest-Grade Niobium Provides access for the planned Railveyor material handling system • Scope includes excavation, twin ramp development, and supporting Development inanthe infrastructure, with U.S. co
Slide 7: NioCorp Launches Construction of Mine Portal
NioCorp Launches Construction of Mine Portal County Road 721 Highway 62 Elk Creek Project Land Ownership Highway 50 Location of Proposed Mine Portal & Railveyor Ramps Illustrative Purposes Only NASDAQ: NB | 7
Slide 8: 100% of Planned Production Under Commercial Agreements for the First 10 Years
100% of Planned Production Under Commercial Agreements for the First 10 Years 1, 2 Niobium Scandium Titanium Rare Earths4 2 2 2 2 2 50% of NioCorp’s planned 25% of NioCorp’s planned Up to 12 tonnes per year of NioCorp’s 100% of planned Titanium 100% of planned Rare Earth Ferroniobium production for
Slide 9: Growing Tailwinds as National and State Leadership Underscore Elk Creek's Importance
Growing Tailwinds as National and State Leadership Underscore Elk Creek’s Importance Senior U.S. elected officials and leaders shared their remarks during NioCorp’s largest-ever Town Hall, attended by more than 600 community members, business leaders and investors in Dec. 2025. “ThisPillen Jim is on
Slide 10: How We Stand Out from the Rest
How We Stand Out from the Rest One of the most advanced and de-risked critical minerals development projects in the United States Strong State/Local Proven Metallurgy Feasibility Study Mineral Reserve Support Demonstration plant SK-1300 /NI 43-101 Established Near-ubiquitous support proved out abili
Slide 11: Critical Minerals in the Elk Creek Resource
Critical Minerals in the Elk Creek Resource 1 Critical Minerals Magnetic Rare Earths Scandium Neodymium- Dysprosium Terbium TiO2/Titanium Ferroniobium Praseodymium Oxide Tetrachloride2 Oxide3 Oxide3 Oxide3 Planned production Planned production Planned production Resource Resource Resource 7,450 tonn
Slide 12: Project Advancements Underway in 2025/2026
Project Advancements Underway in 2025/2026 With NioCorp’s fundraising success in 2025, the Elk Creek Project is being rapidly advanced to prepare for the start of construction once project financing is obtained. Complete Complete Ongoing Near Completion Land Purchases Mineral Reserve Uplift Drilling
Slide 13: Pentagon Partnership and Funding
Pentagon Partnership and Funding Pentagon Title III program awards up to $10M to NioCorp’s operating unit Elk Creek Development Corp. Planned Objectives with DoW Funding Uplift Current Process Engineering For Scandium Metal New Scandium-Based Mineral Reserves Additional Products Demonstration Defens
Slide 14: Lockheed SkunkWorks / NioCorp Partnership Advances Scandium Defense Applications
Lockheed SkunkWorks® / NioCorp Partnership Advances Scandium Defense Applications Pentagon funding also helping NioCorp and Lockheed harness the power of scandium • Developing prototype aluminum-scandium alloy components for next-generation fighter aircraft • Technology will reduce weight, increase
Slide 15: Building America's First-Ever Integrated Scandium-to-Warfighter Supply Chain
Building America’s First-Ever Integrated Scandium-to-Warfighter Supply Chain NioCorp now positioned to operate a vertically integrated domestic scandium mine-to-markets supply chain Possible Downstream Integration NioCorp is examining the feasibility of integrating down to the production of final al
Slide 16: US Export-Import Bank Now Processing Debt Financing Application of $780M for NioCorp
US Export-Import Bank Now Processing Debt Financing Application of $780M for NioCorp 1 • NioCorp’s application has cleared EXIM’s first formal review (TRC-1) • EXIM has provided a Preliminary Project Letter (the “PPL”) and preliminary indicative term sheet to NioCorp • Ongoing work in respect of add
Slide 17: Additional Export Credit Agency Interest
Additional Export Credit Agency Interest British UK Export Finance (UKEF) German United Loan Program (UFK) • UKEF issued an Expression of Interest to NioCorp for • NioCorp deemed eligible to receive loan guarantee potential debt guarantee of up to $200M.1 from the German government’s UFK agency for
Slide 18: Elk Creek Feasibility Study Highlights
Elk Creek Feasibility Study Highlights 1 (does not include rare earth production, metallurgical advancements, and mine plan improvements) $2.8B 29.2% $2.35B 27.6% $403M Pre-Tax NPV Pre-Tax IRR After-Tax NPV After-Tax IRR Averaged Annual EBITDA2 over Run of Mine3 68% $21.9B $10.9B $1.14B 38 Yrs. Aver
Slide 19: Management Team
Management Team A management team with decades of combined experience in mineral production. Mark A. Smith, P.E. Scott Honan, MSc, SME- Neal Shah, BSME, MBA Jim Sims Ernest Cleave RM Executive Chairman, President & Chief Operating Officer, NioCorp Chief Financial Officer & Corporate Senior Vice Pres
Slide 20: Contact
Contact Alex Guthrie Director of Investor Relations aguthrie@niocorp.com +1 (647) 999-0527 Jim Sims Chief Communications Officer jim.sims@niocorp.com +1 (720) 334-7066 World with solid fill LinkedIn App White Icon SVG Vector PNG Free Download | UXWing