Northern Star Resources : FY25 CDP Submission

Northern Star Resources

2025 CDP Corporate Questionnaire 2025

Word version

Important: this export excludes unanswered questions

This document is an export of your organization's CDP questionnaire response. It contains all data points for questions that are answered or in progress. There may be questions or data points that you have been requested to provide, which are missing from this document because they are currently unanswered. Please note that it is your responsibility to verify that your questionnaire response is complete prior to submission. CDP will not be liable for any failure to do so.

Read full terms of disclosure

.

09/15/2025, 02:51 am

Contents

C1. Introduction 8

(1.1) In which language are you submitting your response? 8

(1.2) Select the currency used for all financial information disclosed throughout your response. 8

(1.3) Provide an overview and introduction to your organization. 8

(1.4) State the end date of the year for which you are reporting data. For emissions data, indicate whether you will be providing emissions data for past reporting years. 9

(1.4.1) What is your organization's annual revenue for the reporting period? 10

(1.5) Provide details on your reporting boundary. 10

(1.6) Does your organization have an ISIN code or another unique identifier (e.g., Ticker, CUSIP, etc.)? 10

(1.7) Select the countries/areas in which you operate 13

(1.17) In which part of the metals and mining value chain does your organization operate? 13

(1.18) Provide details on the mining projects covered by this disclosure, by specifying your project(s) type, location and mining method(s) used. 13

(1.24) Has your organization mapped its value chain? 26

(1.24.1) Have you mapped where in your direct operations or elsewhere in your value chain plastics are produced, commercialized, used, and/or disposed of? 27

C2. Identification, assessment, and management of dependencies, impacts, risks, and opportunities 28

(2.1) How does your organization define short-, medium-, and long-term time horizons in relation to the identification, assessment, and management of your environmental dependencies, impacts, risks, and opportunities? 28

(2.2) Does your organization have a process for identifying, assessing, and managing environmental dependencies and/or impacts? 29

(2.2.1) Does your organization have a process for identifying, assessing, and managing environmental risks and/or opportunities? 30

(2.2.2) Provide details of your organization's process for identifying, assessing, and managing environmental dependencies, impacts, risks, and/or opportunities 30

(2.2.3) Provide mining-specific details of your organization's process for identifying, assessing, and managing biodiversity impacts. 44

(2.2.7) Are the interconnections between environmental dependencies, impacts, risks and/or opportunities assessed? 56

(2.3) Have you identified priority locations across your value chain? 56

(2.4) How does your organization define substantive effects on your organization? 58

(2.5) Does your organization identify and classify potential water pollutants associated with its activities that could have a detrimental impact on water ecosystems or human health? 60

(2.5.1) Describe how your organization minimizes the adverse impacts of potential water pollutants on water ecosystems or human health associated with your activities.

. 60

(2.6) By river basin, what number of active and inactive tailings dams are within your control? 65

(2.6.1) Do you evaluate and classify the tailings dams under your control according to the consequences of their failure to human health and ecosystems? 67

(2.6.3) To manage the potential impacts to human health or water ecosystems associated with the tailings dams in your control, what procedures are in place for all of your dams? 68

C3. Disclosure of risks and opportunities 72

(3.1) Have you identified any environmental risks which have had a substantive effect on your organization in the reporting year, or are anticipated to have a substantive effect on your organization in the future? 72

(3.1.1) Provide details of the environmental risks identified which have had a substantive effect on your organization in the reporting year, or are anticipated to have a substantive effect on your organization in the future. 73

(3.2) Within each river basin, how many facilities are exposed to substantive effects of water-related risks, and what percentage of your total number of facilities does this represent? 86

(3.3) In the reporting year, was your organization subject to any fines, enforcement orders, and/or other penalties for water-related regulatory violations? 89

(3.4) In the reporting year, was your organization subject to any fines, enforcement orders, and/or other penalties for violation of biodiversity-related regulation? 90

(3.5) Are any of your operations or activities regulated by a carbon pricing system (i.e. ETS, Cap & Trade or Carbon Tax)? 90

(3.6) Have you identified any environmental opportunities which have had a substantive effect on your organization in the reporting year, or are anticipated to have a substantive effect on your organization in the future? 90

(3.6.1) Provide details of the environmental opportunities identified which have had a substantive effect on your organization in the reporting year, or are anticipated to have a substantive effect on your organization in the future. 91

C4. Governance 98

(4.1) Does your organization have a board of directors or an equivalent governing body? 98

(4.1.1) Is there board-level oversight of environmental issues within your organization? 98

(4.1.2) Identify the positions (do not include any names) of the individuals or committees on the board with accountability for environmental issues and provide details of

the board's oversight of environmental issues. 99

(4.2) Does your organization's board have competency on environmental issues? 103

(4.3) Is there management-level responsibility for environmental issues within your organization? 104

(4.3.1) Provide the highest senior management-level positions or committees with responsibility for environmental issues (do not include the names of individuals). 105

(4.5) Do you provide monetary incentives for the management of environmental issues, including the attainment of targets? 114

(4.5.1) Provide further details on the monetary incentives provided for the management of environmental issues (do not include the names of individuals). 116

(4.6) Does your organization have an environmental policy that addresses environmental issues? 125

(4.6.1) Provide details of your environmental policies. 126

(4.10) Are you a signatory or member of any environmental collaborative frameworks or initiatives? 129

(4.12) Have you published information about your organization's response to environmental issues for this reporting year in places other than your CDP response? 129

(4.12.1) Provide details on the information published about your organization's response to environmental issues for this reporting year in places other than your CDP response. Please attach the publication. 129

C5. Business strategy 143

(5.1) Does your organization use scenario analysis to identify environmental outcomes? 143

(5.1.1) Provide details of the scenarios used in your organization's scenario analysis. 143

(5.1.2) Provide details of the outcomes of your organization's scenario analysis. 152

(5.2) Does your organization's strategy include a climate transition plan? 153

(5.3) Have environmental risks and opportunities affected your strategy and/or financial planning? 154

(5.4) In your organization's financial accounting, do you identify spending/revenue that is aligned with your organization's climate transition? 155

(5.5) Does your organization invest in research and development (R&D) of low-carbon products or services related to your sector activities? 155

(5.5.4) Provide details of your organization's investments in low-carbon R&D for metals and mining production activities over the last three years. 156

(5.10) Does your organization use an internal price on environmental externalities? 158

(5.11) Do you engage with your value chain on environmental issues? 159

(5.11.1) Does your organization assess and classify suppliers according to their dependencies and/or impacts on the environment? 159

(5.11.2) Does your organization prioritize which suppliers to engage with on environmental issues? 160

(5.11.5) Do your suppliers have to meet environmental requirements as part of your organization's purchasing process? 161

(5.11.7) Provide further details of your organization's supplier engagement on environmental issues. 162

C6. Environmental Performance - Consolidation Approach 164

(6.1) Provide details on your chosen consolidation approach for the calculation of environmental performance data. 164

C7. Environmental performance - Climate Change 166

(7.1) Is this your first year of reporting emissions data to CDP? 166

(7.1.1) Has your organization undergone any structural changes in the reporting year, or are any previous structural changes being accounted for in this disclosure of emissions data? 166

(7.1.2) Has your emissions accounting methodology, boundary, and/or reporting year definition changed in the reporting year? 166

(7.1.3) Have your organization's base year emissions and past years' emissions been recalculated as a result of any changes or errors reported in 7.1.1 and/or 7.1.2? 167

(7.2) Select the name of the standard, protocol, or methodology you have used to collect activity data and calculate emissions. 168

(7.3) Describe your organization's approach to reporting Scope 2 emissions. 168

(7.4) Are there any sources (e.g. facilities, specific GHGs, activities, geographies, etc.) of Scope 1, Scope 2 or Scope 3 emissions that are within your selected reporting boundary which are not included in your disclosure? 168

(7.5) Provide your base year and base year emissions. 169

(7.6) What were your organization's gross global Scope 1 emissions in metric tons CO2e? 171

(7.7) What were your organization's gross global Scope 2 emissions in metric tons CO2e? 171

(7.8) Account for your organization's gross global Scope 3 emissions, disclosing and explaining any exclusions 172

(7.8.1) Disclose or restate your Scope 3 emissions data for previous years. 178

(7.9) Indicate the verification/assurance status that applies to your reported emissions. 180

(7.9.1) Provide further details of the verification/assurance undertaken for your Scope 1 emissions, and attach the relevant statements. 181

(7.9.2) Provide further details of the verification/assurance undertaken for your Scope 2 emissions and attach the relevant statements. 182

(7.9.3) Provide further details of the verification/assurance undertaken for your Scope 3 emissions and attach the relevant statements. 183

(7.10) How do your gross global emissions (Scope 1 and 2 combined) for the reporting year compare to those of the previous reporting year? 191

(7.10.1) Identify the reasons for any change in your gross global emissions (Scope 1 and 2 combined), and for each of them specify how your emissions compare to the previous year 191

(7.12) Are carbon dioxide emissions from biogenic carbon relevant to your organization? 193

(7.15) Does your organization break down its Scope 1 emissions by greenhouse gas type? 193

(7.15.1) Break down your total gross global Scope 1 emissions by greenhouse gas type and provide the source of each used global warming potential (GWP). 194

(7.16) Break down your total gross global Scope 1 and 2 emissions by country/area. 196

(7.17) Indicate which gross global Scope 1 emissions breakdowns you are able to provide. 196

(7.17.2) Break down your total gross global Scope 1 emissions by business facility. 196

(7.19) Break down your organization's total gross global Scope 1 emissions by sector production activity in metric tons CO2e 203

(7.20) Indicate which gross global Scope 2 emissions breakdowns you are able to provide. 203

(7.20.2) Break down your total gross global Scope 2 emissions by business facility. 203

(7.21) Break down your organization's total gross global Scope 2 emissions by sector production activity in metric tons CO2e 205

(7.22) Break down your gross Scope 1 and Scope 2 emissions between your consolidated accounting group and other entities included in your response. 206

(7.23) Is your organization able to break down your emissions data for any of the subsidiaries included in your CDP response? 206

(7.30) Select which energy-related activities your organization has undertaken. 206

(7.30.1) Report your organization's energy consumption totals (excluding feedstocks) in MWh 207