Ann: Change of Director's Interest Notice, page-20

your table prompted some further thinking/research from me.I believe cash operating costs should fall well below the 70/wmt in future years. This is based on the initial feasibility study which showed a big reduction in the last few years. This has a big impact obviously on the bottom line. This is of course factoring in a level of cost inflation. (Refer 2018 October investor presentation)

For mine life extensions at Koolan refer to slide 17 March 22 presentation. You would think there is a decent chance on expanding the high grade, strike to the west appears extends over 500m from the current pit shell