With the permission of senior management of the Ok Tedi mining company, a World Bank consultant was included in the final 5-week long mine life extension (MLE) negotiations as an observer. This report documents the unique and pioneering experience in PNG of women and their roles in negotiating mining operations' benefit streams for local communities. The lessons it draws for development policy-making, planning, and program implementations are relevant both for PNG and for other countries in their attempts to make policy decisions about translating mineral wealth into inclusive and sustainable development for local communities.