Looks like they are normally done in Feb - April 1st http://nvsos.gov/sosentitysearch/corpActions.aspx?lx8nvq=10mP7rLA0BfMFKZbxkoC%252bQ%253d%253d&CorpName=MAMMOTH+ENERGY+GROUP%2c+INC. Annual List 3/22/2011 Annual List 2/22/2010 Annual List 4/1/2009 Annual List 2/6/2008