NioCorp Developments Ltd. (NASDAQ: NB) has announced the commencement of a proposed public offering of common shares, or pre-funded warrants in lieu of shares, in the United States. Maxim Group LLC is acting as the sole placement agent for the offering on a reasonable best-efforts basis. The size, pricing, and other terms of the offering have not yet been determined and remain subject to market conditions. NioCorp intends to use the net proceeds for working capital and general corporate purposes, including advancing the Elk Creek Project toward construction and commercial operation. A preliminary prospectus supplement and accompanying prospectus relating to the offering will be filed with the U.S. Securities and Exchange Commission and made available on the SEC's website.