Presentations FY2019 interim results November 2018, 2.71 MB FY2018 year-end results May 2018, 3.26 MB Barclays Credit Conference December 2017, 1.97 MB FY2018 interim results November 2017, 2.23 MB Zinc Day 2017 August 2017, 5.16 MB Oil and Gas Day 2017 July 2017, 3.98 MB