Tertiary Minerals plc announced that managing director Patrick Cullen has resigned from the company, effective 20 June 2022.
The company said it was looking to recruit a replacement during which time other members of the board would assume his responsibilities.
Mr Cullen joined the company in September 2021.
Executive chairman Patrick Cheetham added that the change would have no material effect on Tertiary Minerals’ strategy and work in Zambia or Nevada.