Alinta Ltd - John Poynton has resigned as a director. Yasmin Broughton has been appointed as acting company secretary and Ian Wells as acting chief financial officer. Imagine Un Ltd - Mark Scott has resigned as a director. Indo Mines Ltd - Philip Welten has been appointed as managing director. Moly Mines Ltd - Peter Thomas has been appointed as non-executive director. Optima Corporation Ltd - Freedomotor managing director Charles Chen has been appointed as a director. Precious Metals Australia Ltd - Wolf Martinick has been appointed as non-executive director. Refresh Group Ltd - Mary Ang has been appointed as company secretary and chief financial officer. Sandfire Resources NL - Robert Lewis has resigned as joint company secretary. Stratatel Ltd - James Cullen has resigned as non-executive director. St Barbara Ltd - Phillip Lockyer has been appointed as non-executive director. Stirling Products Ltd - Murray Ward has resigned as executive director. Sundance Resources Ltd - Jack Toby has resigned as company secretary. Alec Pismiris has taken on this role. Swick Mining Services Ltd - Mark McAuliffe and David Nixon have been appointed as non-executive directors. Sydney Gas Ltd - Non-executive director John Saunders has been appointed as non-executive chairman. Tiger Resources Ltd - Patrick Flint and Bradley Marwood have been appointed as directors. Michael Scivolo has resigned as non-executive director. Wavenet International Ltd - David Prendiville has been appointed as a director. Yilgarn Gold Ltd - Chris Swarbrick has been appointed as non-executive chairman following the resignation of Peter Vassileff. Rae Jefferies has been appointed as non-executive director replacing Graeme Clatworthy. Zylotech Ltd - Mark Marshall has resigned as company secretary and executive director. Clarification: In last week’s edition of WA Business News, we reported that Andrew Forrest had been appointed non-executive chairman of Arafura Resources Ltd, whereas he has in fact been appointed non-executive chairman of Arafura Pearls Holdings Ltd.