NioCorp SPAC Presentation Deck

Niobium ThyssenKrupp Metallurgical Products² 50% of NioCorp's planned ferroniobium production for first 10 yrs.¹ Pricing set at 3.75% discount to Argus Metals index pricing for ferroniobium NioCorp Critical Mineral Security Offtake Agreements for Products NioCorp Intends to Produce¹ 75% of NioCorp's planned Ferroniobium production already contracted for the first 10 years of operation CMC Cometals³ 25% of NioCorp's planned ferroniobium production for first 10 yrs. 1 Pricing set at 3.75% discount to Argus Metals index pricing for ferroniobium Scandium ~10% of NioCorp's planned production already contracted for the first 10 years of operation Traxys North America LLC4 Up to 12 tonnes per year of NioCorp's planned scandium production over 10 yrs.¹ Largest commercial sales agreement for Scandium known to have been executed. Rare Earths5 NioCorp is talking to multiple potential customers for separated and purified magnetic rare earth oxides.5 1 Subject to receipt of necessary project financing and commencement of operations at the Elk Creek Project. 2 Contract with Thyssen Metallurgical Products GmbH, dated November 10, 2014. 3 Contract with CMC Cometals, dated June 13, 2016, which was subsequently assigned to Traxys Cometals USA, LLC. 4 Contract with Traxys North America LLC, dated October 3, 2018. 5 NioCorp is currently conducting technical and economic analyses on the potential addition of magnetic rare earth oxides to its planned product suite. 19

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