Baraka Petroleum Ltd - Commercial manager Dean Richardson has been appointed as interim company secretary. Galaxy Resources Ltd - Karen Brown has been appointed as joint company secretary. GB Energy Ltd - Gary Steinepreis has resigned as non-executive director. Intellect Holdings Ltd - Former ERG Ltd CEO Allan Sullivan has been appointed as non-executive director. Natural Fuel Ltd - Richard Selwood has resigned as managing director. Earl McConchie has been appointed acting CEO. PharmAust Ltd - Henry Gulev has been appointed as non-executive director. Stirling Products Ltd - Shane Patelakis has been appointed as executive director. Vulcan Resrouces Ltd - Melvin Campbell has been appointed joint company secretary and chief financial officer. Washington Resources Ltd - Dwyka Resources Ltd CEO, Melissa Sturgess, and Mark Burchnall have been appointed non-executive directors. Wolf Minerals Ltd - Dean Richardson has been appointed company secretary following the resignation of Suzie Foreman.