Ann: Chairman's Address to Shareholders, page-2

Key takeaways for me were:

“... [the south dune extension] will be incorporated into an updated Ore Reserve when the requisite extension to the Special Mining Lease is granted, which is expected in the near future.
The focus of drilling activity has now shifted to the north east sector of the Kwale operations, on the North Dune and Kwale East zones with encouraging indications to date. We are optimistic that further mine life extension will result.”

An extra few years of production could really light a match under the Base share price ...