Environmental & Social Responsiblity Approach

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# Environmental & Social Responsiblity Approach

Source: https://www.nsrltd.com/media/hlfofztg/fy26-northern-star-esr-01-approach-design-v6.pdf
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## Content

# Environmental & Social Responsiblity Approach
Our Approach   3
Our Stakeholders   3
Boundary & Scope  4
Our Value Chain  5
Our FY26 ESR Journey  6
Governance & Compliance   7
Economic Contribution & Value Sharing   8
Materiality & Disclosure   9
Risk Management   10
Voluntary Alignments & Commitments   11
Australian Sustainability Reporting Standards   12
Third Party Ratings   12
Industry Body Participation   12
ESR Focus Areas  13
ESR Performance Metrics   14
Appendix A: GRI14 Minesite Disclosure Table   15
About This Disclosure   17
Environment & Social Responsibility Glossary
Contact Information
18
20
Approach at Northern Star FY26
Environment & Social Figure 1-1 Our Integrated ESR Approach
Responsibility Approach Operations
• Creating long term enduring value for all stakeholders
• Continued development and maintenance of a quality portfolio of assets
• Demonstrating innovation, adaptation, and resilience
Nature Community Workforce
• Respect the natural •  Trust and credibility •  Committed to a safe
environment through respectful and healthy work
•  Minimise and mitigate engagement environment
long term liabilities •  Positive contribution to •  Respectful, fair, and
10,062 1.9
social and economic
Our Approach
•  Design for long-term
outcomes
development in our
honest interactions 1
regions •  Build and promote a
•  Contribute to diverse and inclusive
Northern Star’s approach is to create sustainable and profitable value for our shareholders •  Employer of choice workforce
environmental resilience and respected
and other stakeholders through ongoing review and improvement of our Environmental, business partner •  Workforce engaged
Our Global Workforce Social & Governance (ESG) performance. We aim to achieve this by identifying, managing, and committed to a
sustainable future
Workforce Serious Injury
at 30 June 2026 and mitigating risks and impacts from our Operations while delivering superior outcomes Frequency Rate (SIFR)
for our shareholders, our people, our communities, and our natural environment.
Our approach to environment and social responsibility (ESR) is underpinned by our STARR
Core Values and framed by our governance structures and systems. Our STARR Core Governance
• Responsible and ethical business culture and practices
Values, together with our Code of Conduct and our Group policies, are fundamental to • Demonstrating integrity in decision making and compliance with laws
the sustainability of our Operations. They are our decision compass and integral to the • Transparency and honesty in disclosures
5,165 $
8.65B
working lives of all our employees and Operations, and they define what it means to work
at Northern Star. They are at the heart of our culture and the way we do business.
Integrating ESR into our business strategy involves a Companywide approach that respects Boundary & Scope
Employees nature, supports and engages our community, and values our workforce (Figure 1-1).
The Northern Star FY26 Annual Report (Report) and the additional disclosures in our Total Economic Value
at 30 June 2026 • We aim to minimise our environmental impact through practices and technological voluntary ESR Disclosure Suite provide information on Northern Star’s sustainability Add in FY26
improvements, including renewable energy sources and efficient resource performance across its Operations during the period from 1 July 2025 to 30 June 2026.
management. We are committed to responsible land management and minimising and
The Report and our ESR disclosures should be read in conjunction with our public
mitigating long-term liabilities.
disclosures on our Company website www.nsrltd.com/sustainability. Northern Star’s
• Engaging actively with local communities is central to our approach, building assets included in our FY26 voluntary ESR Disclosure Suite are listed in Figure 1-2 below.
relationships based on trust and shared prosperity. We uphold fair labour standards
4,897 8.89M
and are committed to the safety and well-being of our workforce, and fostering a
culture of fairness, honesty, and respect.
Figure 1-2 Organisational Boundaries
$
Our commitment to improving our performance is clearly demonstrated through our
business-wide targets. By monitoring and tracking local to global ESG developments Corporate Office - Perth, Western Australia
Contractors and priorities, we ensure that we remain informed and able to proactively respond to our Group Community
at 30 June 2026 stakeholders and the ESG issues important to them. Investment Commitments
Kalgoorlie Yandal Pilbara Pogo Exploration
Production Production Operations Production in FY26 (A$)
We do this using a range of approaches including sector, industry and peer benchmarking, Centre2 Centre Centre
and stakeholder engagements including surveys. We benchmark our ESG performance
and levels of assurance against that of our peers to provide guidance for improving our
ESG disclosures. We are committed to transparently reporting our ESG performance and Carosue Dam Bronzewing Pogo Central Tanami
Hemi Project
3 937M
to act on areas identified for improvement. Operations Operations Operations Project3
Kanowna Belle Jundee Regional Tanami $
Our Stakeholders Operations Operations Exploration Regional3
Northern Star is committed to ongoing positive stakeholder collaboration and Thunderbox
Production Centres engagement. Our corporate governance framework adopted by the Board of Directors
KCGM Operations
Operations Total Local Supply
(and the Hemi Project in our includes key policy documents which set out Northern Star’s standards for stakeholder Spend in FY26
South Kalgoorlie
Pilbara Operations) engagement. Information on our key stakeholder groups and how we continued to engage Operations
during FY26 is available on our Company website at Sustainability - Reports & Disclosures.
1
12 month moving average per million exposure hours at 30 June 2026 in accordance with the Western Australian
Work Health & Safety Act 2020.
2
Excludes the Parkeston Power Station, which is not under Northern Star Resources Ltd operational control.
3
Northern Star divested all its interests in the Northern Territory on 5 February 2026. Refer to Mount Gibson Iron
Limited ASX Announcement ‘MGX completes its acquisition of 50% of the Central Tanami Gold Project Joint
Please note that total numbers in charts and tables within the ESR Disclosure Suite may differ due to rounding Venture’ of 6 February 2026 (cross-released to Northern Star) available on www.asx.com.au/markets/company/
NST for further information.
3 4
1 | Environment & Social Responsibility Approach
Our Value Chain Processing the ore requires specialised equipment for Our FY26 ESR Journey • Strengthening of core elements of our Environmental
crushing, grinding, and chemical separation, along with Management System (EMS) and Mine Health
The value chain of a gold mine involves several key stages: Northern Star has continued to embrace and progress
consumables like reagents. Gold doré bars produced onsite Safety Management System (MHSMS) arising from
exploration, mining, processing, refining, and distribution. ESR during FY26 with ongoing focus and commitment to
are sold to refineries for further processing and on selling. audits, inspections and internal review process. We
Also recognised in this value chain is the rehabilitation of the maintaining responsible and sustainable exploration and
commenced a comprehensive review of our Critical
land from which the gold-bearing ore was initially extracted. The refineries use specialised equipment and chemicals to mining practices. Throughout the FY26 ESR Disclosure Suite
Risk controls, implementation of an advanced health
produce refined gold ready for marketing and distribution modules are highlights and key performance metrics for our
During exploration, geologists and surveyors identify & hygiene management system, detailed audits of our
both domestically and internationally. material topics.
potential gold deposits using advanced techniques Operations against our Environmental Global Standards,
and equipment, supported by consumables like drilling Key items of note in FY26 included: and strengthened our land management processes.
We sell most of our physical gold to the Perth Mint.
materials. In the mining phase, heavy machinery and • Release of our inaugural Climate Report in line with • Maintaining our priority to our local and regional
equipment are used to excavate and transport ore, with Ultimately end users purchase this refined gold for use communities and stakeholders through ongoing
mandatory Australian Accounting Standards Board
consumables such as explosives and fuel being crucial. in various areas including investment, jewellery, medical investment, and enhanced engagement.
(AASB) S2 requirements within our FY26 Annual Report.
equipment, technology, and electronics. • Strengthening the core elements of our Heritage
• Progress of our climate related projects with
decarbonisation studies, emissions reduction trials and Management System (HMS) through the establishment
operation of our renewables projects. of new procedures, tools and processes.
Figure 1-3 Northern Star’s Value Chain
Exploration Development Mining Mineral Processing Outputs Rehabilitation
• Technical services & consultants • Technical services & consultants • Technical services & consultants • Technical services & consultants • Gold Doré • Technical services & consultants
• Drilling services & equipment • Engineering & construction services • Mining & geotechnical services • Fixed & mobile assets & maintenance • Gold Concentrate • Environmental services
• Fuels, lubricants & consumables • Fixed & mobile assets & maintenance • Fixed & mobile assets & maintenance • Instrumentation • Rehabilitation equipment & materials
• Fuels, lubricants & consumables • Fuels, lubricants & consumables • Fuels, lubricants & consumables • Fuels, lubricants & consumables
• Logistics & freight
• Haulage, logistics & freight • Haulage, logistics & freight • Haulage, logistics & freight • Haulage, logistics & freight
• Workforce transport & logistics
• Workforce transport & logistics • Workforce transport & logistics • Workforce transport & logistics • Workforce transport & logistics
• Support services4
• Support services4 • Support services4 • Support services 4 • Monitoring equipment & resources
• Waste management services
• Waste management services • Waste management services • Waste management services • Support services4
End Users Gold Traders Customers (Refineries)
• Investment • Technical services & consultants • Technical services & consultants
Economic Contribution
• Jewellery & aesthetic uses • Logistics & transport (by customer)
Taxes & royalties • Electronic equipment
• Electrical devices
Local & regional employment • Healthcare treatment
• Medical equipment
• Aeronautics & aerospace
Community investment
Local & regional goods & services
Native Title compensation & royalties’ payments
4
Support services including but not limited to: environment, land management, heritage, community, occupational health and safety, finance, human resources,
legal, and technical.
5 FY26 Voluntary Environment & Social Responsibility Disclosure Suite Northern Star Resources Ltd FY26 6
1 | Environment & Social Responsibility Approach
69+17139
Governance & Compliance All inductions completed by our workers cover these Economic Contribution & Value Sharing Figure 1-4 FY26 Economic Contribution
key documents. Northern Star’s policy commitments for
As an Australian Securities Exchange (ASX) listed gold mining Northern Star continues to be a positive contributor to
responsible business conduct applies to all the Company’s
company, we are su

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