Graeme J Clatworthy has resigned as non-executive director of Rift Valley Resources, but will remain as a consultant on the Angolan operations and administration.
Magnum Mining has announced the appointment of Howard Dawson as non-executive director, and the resignation of Roy Spencer from the board.
Nicholas Sage has been appointed non-executive director of Cauldron Energy. Mark Gwynne has resigned as non-executive director.