Aug 17 (Reuters) - Mount Gibson Iron Ltd MGX.AX :
* Expects annual sales for 2016/17 financial year to be 2.8-3.1 mwmt of iron ore at an average all-in group cash cost of $48-52/wmt fob
* Expects all-in site cash costs at extension hill to remain in a range of $44-46/wmt for 2016/17 financial year
* Source text for Eikon ID:nASX1dmdtJ