CENTENNIAL, Colo. (March 7, 2022) – NioCorp Developments Ltd. ("Nio-Corp" or the "Company") (TSX: NB; OTCQX: NI-OBF) is pleased to announce that it has now completed the deployment of a management system aligned with the latest version (“EP4”) of the Equator Principles Environmental, Social, and Governance (“ESG”) principles. This achievement is a key step in NioCorp’s efforts to formalize its ESG…