http://www.newcrest.com.au/media/annual_reports/PNG_Mining_Conference_Dec12_-_MMJV_Hidden_Valley.pdf
So unless the Mining life has been extended, Harmony will need a new place to mine to keep their shareholders happy by 2024.
50/50 partnership with Harmony, with Harmony funding all operations would be a fair deal imo.
Im not saying this is what’s happening I’m just sharing my thoughts.