On September 26, 2023, NioCorp Developments Ltd. announced that it anticipates a delay in filing its annual financial statements for the year ended June 30, 2023, the related management?s discussion and analysis, and the CEO and CFO certifications relating to the annual financial statements before the September 28, 2023 deadline (the ?Filing Deadline?).? NioCorp stated that ?the closing of the Company?s previously announced business combination (the ?Business Combination?) with GX Acquisition Corp. II (?GX?), and the ongoing complexities in integrating GX and accounting for the Business Combination has resulted in the anticipated delay in filing the Required Documents?.