Exhibit 99.1
Directors and Controlling Persons of Reporting Persons
Information with respect to the directors of VB (Rare Earths) Limited is below. VB (Rare Earths) Limited has no executive officers. All addresses are c/o VB (Rare Earths) Limited, 1 Royal Plaza, Royal Avenue, St Peter Port, Guernsey, GY1 2HL. VBRE is controlled by Vision Blue, which owns substantially all of the issued and outstanding capital stock of VBRE.
| Name | Title | Present Principal Occupation |
| Harry Rouillard | Director of VB (Rare Earths) Limited | Client Director, Apex Fund and Corporate Services (Guernsey) Limited |
| Andrew Trahar | Director of VB (Rare Earths) Limited | Investment Partner, Vision Blue Advisors UK LLP |
| Paul Keltie | Alternate Director of VB (Rare Earths) Limited | Client Director, Apex Fund and Corporate Services (Guernsey) Limited |
Information with respect to the directors of Vision Blue Resources Limited is below. Vision Blue Resources Limited has no executive officers. All addresses are c/o Vision Blue Resources Limited, 1 Royal Plaza, Royal Avenue, St Peter Port, Guernsey, GY1 2HL.
| Name | Title | Present Principal Occupation |
| Srinivasan Venkatakrishnan | Independent Director of Vision Blue Resources Limited | Non-Executive Chairman of Endeavour Mining plc |
| Sir Mick Davis | Director of Vision Blue Resources Limited | Managing Partner, Vision Blue Advisors UK LLP |
| Viswanathan Shankar | Director of Vision Blue Resources Limited | Co-Founder and Partner of Gateway Partners Group |
| Rahul Goswamy | Director of Vision Blue Resources Limited | Co-Founder and Partner of Gateway Partners Group |
| Andrew Trahar | Director of Vision Blue Resources Limited | Investment Partner, Vision Blue Advisors UK LLP |