NIOCORP DEVELOPMENTS LTD (NB): Entry into a Material Definitive Agreement

NIOCORP DEVELOPMENTS LTD (NB) filed an SEC Form 8-K — Results of Operations and Financial Condition. Exhibit 99.1 NioCorp Provides Preliminary Unaudited Financial Results for the Three-Month Period Ended September 30, 2026 CENTENNIAL, Colo. (October 16, 2026) – NioCorp Developments Ltd. (“NioCorp,” “our,” or the “Company”) (NASDAQ:NB) today provided its preliminary unaudited fin

NioCorp signed a 15-year offtake and marketing agreement with Traxys North America for 50% of its ferroniobium output, replacing a 2016 deal. The agreement covers Elk Creek products and includes exclusive marketing rights for scandium, titanium, and rare earth products. Pricing is tied to market indices with specified adjustments. The new deal starts at commercial production, with two 1-year renewal options.

NioCorp (NASDAQ:NB) announced that the Export-Import Bank of the United States (EXIM) reiterated its support for financing 65% of the Elk Creek Critical Minerals Project's upfront capital expenditures, estimated at $1.85 billion. EXIM expects to advance due diligence and present the transaction for review as soon as practicable. The project has broad support from federal and Nebraska leaders, citing its importance for U.S. critical minerals security and economic development.

NioCorp Developments (NB) advances its Elk Creek mine project, aiming to produce critical minerals like niobium, scandium, and titanium. U.S. officials highlight the strategic importance of domestic production for national security and economic stability. The project has received federal support and partnerships with major companies.

NioCorp (NASDAQ:NB) has secured commercial agreements for 100% of its planned production from the Elk Creek Critical Minerals Project. Traxys will purchase 50% of ferroniobium production, while ThyssenKrupp covers the remaining 50%. Traxys also gains exclusive rights to market NioCorp's scandium, titanium, and rare earth products. The agreements are expected to support NioCorp's debt financing efforts with the U.S. Export-Import Bank.

NioCorp updated its feasibility study for the Elk Creek mine, projecting gross revenue of more than $37 billion, up from $22 billion in 2022, helped by adding five rare-earth products including dysprosium and terbium oxides. Elk Creek is described as the largest known US niobium source. NioCorp also signed a nonbinding MoU with Lockheed Martin to potentially buy about 16.5 tons of scandium annually and plans an onsite natural-gas microgrid instead of grid power.