Investor Presentaiton

Early adopters of ESG and our assets are in Tier-1 areas Our Sustainability Vision "Delivering responsible environmental and social business practice that lead to both the creation of strong economic returns for our Shareholders, and shared value for our Stakeholders." Sustainability Summary Peer group leader (2017) - first sustainability reporting disclosures Peer group leader (2018) - support United Nations Sustainable Development Goals Peer group leader (2018) - first disclosures of climate change risks Peer group leader (2019) align with Taskforce on Climate Related Financial Disclosure recommendations Multi-year sector leading safety results - LTIFR and TRIFR consistently below peer group Record A$1.44B economic value add in CY19 Sustainability Initiatives Snapshot NORTHERN STAR SESOURCES LIMITED Progressed our Mental Health Strategy, targeting 20% of NST employees accredited as mental health first aiders, knowing that healthy workers go home to healthy homes, which create healthy communities Local procurement spend of A$246M across Goldfields and Fairbanks/Delta Regions for CY19 Completed climate change risk assessments across our business - limited material exposure to our business model Community investment up 74% in CY19 to A$1.49M Established A$10M COVID-19 Community Fund in the Mar-20 quarter Alignment of business, Shareholder and Stakeholder Environmental Scorecard Zero significant environmental incidents or regulator infringements since acquisition of current portfolio of operating assets Introduction of a progressive rehabilitation strategy in 2019 to further enhance biodiversity of pre-NST legacy areas aspirations Introduction of our Board-level Environment, Social and Safety sub- committee in 2018, chaired by a Non-Executive Director 4

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