Slide 1: Red Cloud Pre-PDAC 2026
Red Cloud Pre-PDAC 2026 TSXV: NBY | OTCQB: NBYCF
Slide 2: Forward-looking statements and disclaimer
Forward-looking statements and disclaimer FORWARD-LOOKING STATEMENTS The reader is advised that the information summarized in this presentation is preliminary in nature and is intended to provide an initial, high-level review of the project’s economic potential and design options. The PEA mine plan
Slide 3: Who are we?
Who are we? NIOBAY IS: • A Canadian critical minerals explorer • Advancing niobium-focused assets in Québec & Ontario • Multiple NI 43-101 resources with positive PEAs • Exposure to steel, EV, and advanced technology markets • Collaborating with universities to advance end- products and niobium rese
Slide 4: Board of Directors
Board of Directors Jean-Sebastien David, P. Geo Serge Savard Josianne Beaudry President, CEO, and Director Chairman of the Board Director Arianne Phosphate, Osisko, Iamgold, NHL veteran, Business Executive, Partner at Lavery, de Billy LLP Cambior Real Estate Developer TSXV Quebec Advisory Committee
Slide 5: Technical Advisory Committee
Technical Advisory Committee Jonathan Launière, Eng Caroline Olsen, Metallurgist Dawn Madahbee Leach Advisor for Aboriginal Affairs, Advisor for metallurgy and strategy Aboriginal Affairs Advisor, Ontario and Quebec and Mashteuiatsh Metallurgist and R&D director at SGS Canada Coordinator of Pekuakam
Slide 6: The Importance of Niobium
The Importance of Niobium ↓5% ↑15kt Nb + $25M savings↓ A small amount of niobium makes the entire system stronger, lighter, faster, and greener 1. Strengthens steel → lighter cars, stronger bridges, lower CO₂. 2. Improves batteries → ultra-fast charging, safer, longer life. 3. Critical for aerospace
Slide 7: Crevier Overview
Crevier Overview 2 Core Assets in Tier 1 Jurisdictions: 1. James Bay, Ontario JAMES BAY NIOBIUM Niobium Oxide CREVIER 1. Crevier, Québec Niobium oxide & Tantalum TSXV: NBY | OTCQB: NBYCF | Our future is green 7
Slide 8: James Bay Niobium Overview
James Bay Niobium Overview • Exploration resumed in 2026 with federal and Ontario support, backed by a three-year exploration permit valid through 2028. • Tier-one jurisdiction: Ontario, 42 km south of Moosonee in the James Bay Lowlands • Excellent infrastructure enabling efficient development and l
Slide 9: Advancing James Bay Niobium
Advancing James Bay Niobium 2025 Exploration Permit • New 3-year Ontario exploration permit valid through 2028 • Provides a clear runway to advance systematic drilling campaign and technical work • Up to 10,000 m of drilling planned to support resource growth and depth expansion • Technical team mob
Slide 10: Crevier Overview
Crevier Overview • Located 50 km north of Girardville, in Québec’s tier-one mining jurisdiction • Excellent infrastructure in a well-established industrial region • Proximity to an operating niobium mine supports future development optionality • High-value resource with an NSR of US$100/t • M&I: 25.
Slide 11: Priorities for 2026
Priorities for 2026 Corporate Structure (February, 2026) • JAMES BAY C$0.135 Three-year exploration permit obtained; preparatory Stock price fieldwork underway alongside infrastructure updates and 187.3M Shares outstanding geological model refinement. 266.1M Fully diluted C$25.3M • CREVIER Market Ca
Slide 12: Contact Us
CONTACT US Jean-Sebastien David, P. Geo, MPM President, CEO, and Director jsdavid@niobaymetals.com Sign up to receive our news at www.niobaymetals.com TSXV: NBY | OTCQB: NBYCF z
Slide 13: Appendix
Appendix • Slide 15-16: James Bay Deposit • Slide 17: James Bay PEA Summary • Slide 18: Crevier Deposit • Slide 19: Crevier Resource TSXV: NBY | OTCQB: NBYCF | Our future is green 13
Slide 14: James Bay Deposit
James Bay Deposit Legend White: The historical holes Blue: planned holes Red: Main pyrochlore zone Pink: East pyrochlore zone Yellow: internal waste TSXV: NBY | OTCQB: NBYCF | Our future is green 14
Slide 15: James Bay Deposit
James Bay Deposit Legend White: The historical holes Blue: planned holes Red: Main pyrochlore zone Pink: East pyrochlore zone Yellow: internal waste TSXV: NBY | OTCQB: NBYCF | Our future is green 15
Slide 16: James Bay PEA Summary
James Bay PEA Summary Underground ECONOMIC IMPACT Pre-tax internal rate of return 26.0% • $500 million Construction Pre-tax net present value (NPV) 8% $1,104M Pre-tax payback (years) 3.8 years • $3.8 billion in OPEX After-tax internal rate of return 21.6% After-tax NPV 8% $733M • $300-$400 million s
Slide 17: Crevier Deposit
Crevier Deposit TSXV: NBY | OTCQB: NBYCF | Our future is green 17
Slide 18: Crevier Resource
Crevier Resource Tonnage Nb₂O₅ Ta₂O₅ Category (t) (%) (ppm) Measured 16,257,098 0.17 201 Indicated 4,475,931 0.17 208 Measured and indicated 20,733,030 0.17 202 Inferred 12,766,595 0.12 131 TSXV: NBY | OTCQB: NBYCF | Our future is green 18