EPML00841513 · QUEENSLAND POWER (AUSTRALIA) PTY LTD

This environmental authority authorises environmental harm referred to in the conditions. Where there is no condition or this environmental authority is silent on a matter, the lack of a condition or silence does not authorise environmental harm.

Maintenance and measures The environmental authority holder must: (a) install all measures, plant and equipment necessary to ensure compliance with the conditions of this environmental authority; (b) maintain such measures, plant and equipment in a proper and efficient condition; (c) operate such measures, plant and equipment in a proper and efficient manner; and (d) ensure all instruments and devices used for the measurement or monitoring of any parameter under any condition of this environmental authority are properly calibrated.

Monitoring Except where specified otherwise in another condition of this environmental authority, all monitoring records or reports required by this environmental authority must be kept for a period of not less than five (5) years.

Upon request from the administering authority, copies of monitoring records and reports must be made available and provided to the administering authority's nominated office within ten (10) business days or an alternative timeframe agreed between the administering authority and the environmental authority holder. Any management or monitoring plans, systems or programs required to be developed and implemented by a condition of this environmental authority, should be reviewed for effectiveness in minimising the likelihood of environmental harm on an annual basis, and amended promptly if required, unless a particular review date and amendment program is specified in the plan, system or program.

Risk Management System The environmental authority holder must develop, implement and maintain a risk management system for mining activities which mirrors the content requirement of the latest version of the Standard for Risk Management (ISO31000), or the latest edition of an Australian standard for risk management, to the extent relevant to environmental management.

Notification of Emergencies, Incidents and Exceptions The environmental authority holder must notify the administering authority by written notification within twenty-four (24) hours, after becoming aware of any emergency or incident which results in the release of contaminants not in accordance, or reasonably expected to be not in accordance with, the conditions of this environmental authority. Permit Environmental Authority EPML00841513 Commodore Coal Mine

Within ten (10) business days following the initial notification of an emergency, incident or exceedance, or receipt of monitoring results, whichever is the latter, further written advice must be provided to the administering authority, including the following: (a) results and interpretation of any samples taken and analysed; (b) outcomes of actions taken at the time to prevent or minimise unlawful environmental harm; and (c) proposed actions to prevent a recurrence of the emergency, incident or exceedance.

Complaints The environmental authority holder must record all environmental complaints received about the mining activities including: (a) name, address and contact number for of the complainant; (b) time and date of complaint; (c) reasons for the complaint; (d) investigations undertaken; (e) conclusions formed; (f) actions taken to resolve the complaint; (g) any abatement measures implemented; and (h) person responsible for resolving the complaint.

The holder of this environmental authority must, when requested by the administering authority, undertake relevant specified monitoring within a reasonable timeframe nominated or agreed to by the administering authority to investigate any complaint of environmental harm. The results of the investigation (including an analysis and interpretation of the monitoring results) and abatement measures, where implemented, must be provided to the administering authority within ten (10) business days of completion of the investigation, or no later than ten (10) business days after the end of the timeframe nominated by the administering authority to undertake the investigation.

Emergency Response / Contingency Plan The environmental authority holder must develop, implement and maintain an Emergency Response / Contingency Plan to manage the environmental impacts of uncontrolled release of contaminants to the environment. Permit Environmental Authority EPML00841513 Commodore Coal Mine

The Emergency Response / Contingency Plan must address at least the following matters: (a) Response procedures to be implemented to reduce the likelihood of any release of contaminants to the environment; (b) Response procedures to prevent any further release or if such is not practicable, minimise the extent and duration of any release to the greatest practicable extent; (c) The practices and procedures to be employed to restore the environment, or if such is not practicable, mitigate any environmental impacts of the release; (d) A description of the resources to be used in response to a release; (e) The training of staff that will be called upon to respond to a release; (f) Procedures to investigate the cause of any release, and where necessary, implement remedial actions to reduce the likelihood of recurrence of a similar event; (g) The provision and availability of documented procedures to staff attending any release to enable them to effectively respond; and (h) Timely and accurate reporting of the circumstance and nature of release events to the administering authority.

A copy of the Emergency Response / Contingency Plan required by condition A10 must be kept at the place to which this environmentally relevant activity relates and be available for examination by Emergency Services Personnel or an authorised person on request.

The mining activity authorised by this environmental authority may only occur within the authorised disturbance area shown on Appendix 5 - Authorised disturbance area. Permit Environmental Authority EPML00841513 Commodore Coal Mine Schedule B: Air Condition Condition number

Dust Nuisance Subject to conditions B2 and B3 the release of dust or particulate matter or both resulting from the mining activity must not cause an environmental nuisance, at any sensitive place.

When requested by the administering authority, dust and particulate monitoring must be undertaken within a reasonable and practicable timeframe nominated by the administering authority to investigate any complaint (which is neither frivolous nor vexatious nor based on mistaken belief in the opinion of the authorised officer) of environmental nuisance at any sensitive place, and the results must be notified within fourteen (14) days to the administering authority following completion of monitoring.

The environmental authority holder must take all reasonable and feasible avoidance and mitigation measures so that the dust and particulate matter emissions generated by mining activities do not cause exceedances of the following levels when measured at any sensitive or commercial place: (a) Dust deposition of 120 milligrams per square metre per day, averaged over one month, when monitored in accordance with the most recent version of Australia Standard AS3580.10.1 Methods for sampling and analysis of ambient air - Determination of particulate matter - Deposited matter - Gravimetric method; and (b) A concentration of particulate matter with an aerodynamic diameter of less than 10 micrometre (-m) (PM10) suspended in the atmosphere of 50 micrograms per cubic metre over a 24 hour averaging time, at a sensitive place downwind of the operational land, when monitored in accordance with: (i) Particulate matter - Determination of suspended particulate PM10 high-volume sampler with size selective inlet - Gravimetric method, when monitored in accordance with the most recent version of Australian Standard AS3580.9.6 Methods for sampling and analysis of ambient air - Determination of suspended particulate matter - PM10 high volume sampler with size-selective inlet - Gravimetric method; or (ii) Australian Standard AS3580.9.9 Methods for sampling and analysis of ambient air - Determination of suspended particulate matter - PM10 low volume sampler - Gravimetric method.

If monitoring indicates exceedance of the relevant limits in condition B3, then the environmental authority holder must: (a) address the complaint including the use of appropriate dispute resolution if required; and (b) as soon as practicable or at the request of the administering authority, implement dust abatement measures so that emissions of dust from the activity do not result in further environmental nuisance. Permit Environmental Authority EPML00841513 Commodore Coal Mine Schedule C: Water Condition Condition number

Release to Waters Contaminants that will, or have, the potential to cause environmental harm must not be released directly or indirectly to any waters as a result of the authorised mining activities, except as permitted under the conditions of this environmental authority.

Receiving waters must be monitored at the locations and frequencies defined in Table C1 - Receiving water monitoring points and Appendix 2 - Location of release points, receiving water monitoring points and water storages for the parameters defined in Table C1 - Receiving water monitoring points.

The environmental authority holder must take all reasonable and practicable measures to collect at least one grab sample at MP1 (as shown in - Appendix 1 - "High Flow" (RL 422.531 mAHD) and "Low Flow" (RL 421.445 mAHD) visual indicators in Back Creek at MP1) during each flow event when flow in Back Creek at MP1 is in falling stage or base flow. The grab sample must be analysed for both total suspended solids and turbidity. The following information is to be recorded at the time of sampling: (a) ambient weather conditions; (b) time, date and flow rate (m3/s); and (c) photo of sampling location showing level of flow in Back Creek. Note: For the purposes of Table C1 - Receiving water monitoring points and condition C2, grab samples must be taken in a representative manner and if in-stream flow conditions do not permit grab sampling the reason and environmental conditions must be recorded accordingly.

All water storages listed in Table C2 - Water storage monitoring must be monitored in accordance with Table C2 - Water storage monitoring.

Mine affected water must be monitored at the locations and frequencies defined in Table C2 - Water storage monitoring and Appendix 2 - Location of release points, receiving water monitoring points and water storages.

Water contaminated by mining activities must only be released from the locations and release points defined in Tables C2 - Water storage monitoring and C3 - Release point monitoring and water storages shown on Appendix 2 - Location of release points, receiving water monitoring points and water storages.

Contaminants must not be released from the mine to any waters or the bed and banks of any waters other than treated/settled stormwater from those release points nominated in Table C3 - Release point monitoring that is in accordance with the contaminant release limits in Tables C4 - Contaminant release limits and Table C5 - Mine affected water release during flow events - Contaminant release limits for total suspended solids. Permit Environmental Authority EPML00841513 Commodore Coal Mine Table C1 - Receiving water monitoring points Monitoring Description Latitude Longitude Monitoring Monitoring point (MP) (GDA 2020)* (GDA2020)* frequency parameters MP1 Back Creek -27.958308 151.267815 Continuous pH, Total

Upstream 1 suspended solids

(mg/L), electrical Back Creek -27.949399 151.274238 No more than conductivity

Downstream 2 -27.928220 151.266550 24 hours prior (S/cm) and -27.912631 151.269823 to release, at turbidity (NTU)

Back Creek -27.888736 151.275160 Downstream 3 -27.908738 151.265621 least once

every 24 hour Back Creek period during Downstream 1 the release and no more than Back Creek 24 hours after Downstream 4 cessation of a release event. Schwarten Gully

Back Creek -27.910377 151.273498 Downstream 6 * - GDA 2020 (Lat and Long) Geocentric Datum of Australia 2020 which uses GRS80 (an earth centered ellipsoid) and ITRF2014 @ 1 Jan 2020. The difference in the origin of the ANS and GRS80 ellipsoids is approximately 216m at Commodore Mine. The difference between ITRF1992 and ITRF2014 (International Terrestrial Reference Frame) is approximately 1.6m at Commodore Mine. Latitude and Longitude measured in degrees to 6 decimal places approximately equals 0.111m. Table C2 - Water storage monitoring Water storage Latitude Longitude Monitoring Monitoring Parameters1 description (GDA2020) (GDA2020) Frequency Environmental Dam 1 -27.9514199 151.276725 Sedimentation Dam 1 -27.9477622 151.267913 Monthly in storage. pH, Sedimentation Dam 2 -27.9535661 151.2658277 Prior to release. total suspended solids Swan Lake -27.9416116 151.2729409 (mg/L), F Pit - F1B Dam -27.9133821 151.2777204 electrical conductivity (-S/cm) total oil and petroleum hydrocarbons at Environmental Dam 1

Pit - North Dam -27.9122066 151.2664516 1 Monitoring against receiving environment limits is for interpretation only to ensure adequate management of water storages to prevent environmental harm. Permit Environmental Authority EPML00841513 Commodore Coal Mine Table C3 - Release point monitoring Release Description Latitude Longitude Monitoring Monitoring Receiving Point (GDA2020)2 (GDA2020)2 Frequency Parameters waters (RP)1 pH, total Back

Notwithstanding condition C7 the holder of this environmental authority is only authorised to release mine affected water in accordance with Table C5 - Mine affected water release during flow events - Contaminant release limits for Total suspended solids. The release must occur in such a manner that it does not cause environmental harm to the waters of Back Creek.

During each flow event flow in Back Creek should be determined in m3/sec located at Monitoring Point 1 (MP1) using the upstream flow meter.

The low flow mark and high flow mark referred to in Table C5 - Mine affected water release during flow events - Contaminant release limits for Total suspended solids must be reviewed by 1 May each year to ensure that the dimensions of the flow channel have not significantly changed such that the level of flow at this point in Back Creek had changed. If the flow channel has been subject to change the holder of the environmental authority must ensure the marks are re-surveyed.

The holder of this environmental authority must take all reasonable and practicable measures to ensure that the location of Rising Stage Sampler (RSS) and upstream flow meter(s) must be free from immediate disturbance such as grazing and stock watering. Permit Environmental Authority EPML00841513 Commodore Coal Mine

The following must be documented when surface water monitoring is conducted in accordance with conditions of this environmental authority: (a) Flow rate (m3/s) upstream of the release; (b) Date and time; (c) Name of person undertaking sampling; (d) Ambient weather conditions including, temperature, rainfall etc.; (e) Water temperature; and (f) Turbidity (NTU), Total suspended solids (TSS) mg/L levels must be reported against upstream turbidity levels, time and rainfall for the duration of each release to waters.

The daily quantity of mine affected water released from each release point must be recorded.

Releases to waters must be undertaken so as not to cause erosion of the bed and banks of the receiving waters or cause a material build-up of sediment in such waters.

The environmental authority holder must notify the administering authority via WaTERS as soon as practicable and no later than twenty-four (24 hours) after commencing to release mine affected water to the receiving environment. Notification must include the submission of written advice to the administering authority of the following information: (a) release commencement date and time; (b) details regarding the compliance of the release with the conditions of this environmental authority (that is, contaminant limits, natural flow, discharge volume); (c) release point(s); (d) release rate; (e) release salinity; and (f) receiving water(s) including the natural flow rate.

The environmental authority holder must notify the administering authority via WaTERS as soon as practicable and nominally no later than twenty-four (24) hours after cessation of a release event under condition C15 and within twenty-eight (28) days provide the following information in writing: (a) release cessation date and time; (b) natural flow rate in receiving water; (c) volume of water released; (d) details regarding the compliance of the release with the conditions of this environmental authority (i.e. contaminant limits, natural flow, discharge volume); (e) all in-situ water quality monitoring results; and (f) any other matters pertinent to the water release event. Note: Successive or intermittent releases occurring within twenty-four (24) hours of the cessation of any individual release can be considered part of a single release event and do not require individual notification for the purpose of compliance with conditions C15 and C16, provided the relevant details of the release are included within the notification provided in accordance with conditions C15 and C16. Permit Environmental Authority EPML00841513 Commodore Coal Mine

Notification of Release Event Exceedance If the release limits defined in Tables C4 - Contaminant release limits and Table C5 - Mine affected water release during flow events - Contaminant release limits for total suspended solids are exceeded, the holder of the environmental authority must notify the administering authority via WaTERS within twenty-four (24) hours of receiving the results.

The environmental authority holder must, within twenty-eight (28) days of a release that is not compliant with the conditions of this environmental authority, provide a report to the administering authority via WaTERS detailing: (a) the reason for the release; (b) the location of the release; (c) the total volume of the release and which (if any) part of this volume was non-compliant; (d) the total duration of the release and which (if any) part of this period was non-compliant; (e) all water quality monitoring results (including all laboratory analyses); (f) identification of any environmental harm as a result of the non-compliance; (g) all calculations; and (h) any other matters pertinent to the water release event.

Receiving Environment Monitoring Program (REMP) The environmental authority holder must develop and implement a REMP to monitor, identify and describe any adverse impacts to surface water environmental values, quality and flows due to the authorised mining activity. This must include monitoring the effects of the mine on the receiving environment periodically (under natural flow conditions) and while mine affected water is being discharged from the site. Permit Environmental Authority EPML00841513 Commodore Coal Mine

The REMP must include (in reference to Table C4 - Contaminant release): (a) assess the condition or state of receiving waters, including upstream conditions, spatially within the REMP area, considering background water quality characteristics based on accurate and reliable monitoring data that takes into consideration temporal variation (e.g. seasonality); (b) be designed to facilitate assessment against water quality objectives for the relevant environmental values that need to be protected; (c) include monitoring from background reference sites (e.g. upstream or background) and downstream sites from the release (as a minimum, the locations specified in Table C1 - Receiving water monitoring points); (d) specify the frequency and timing of sampling required in order to reliably assess ambient conditions and to provide sufficient data to derive site specific background reference values in accordance with the Monitoring and Sampling Manual Environmental Protection (Water) Policy 2009 (2018 or a later version). This should include monitoring during periods of natural flow irrespective of mine or other discharges; (e) include monitoring and assessment of dissolved oxygen saturation, temperature and all water quality parameters listed in Table C4 - Contaminant release limits; (f) include, where appropriate, monitoring of metals and metalloids in sediments (in accordance with Australian and New Zealand Guidelines for Fresh and Marine Water Quality (ANZG 2018 or later version), any relevant parts of ANZECC and ARMCANZ 2000; Batley and/or most recent version of AS5667.1: Guidance on Sampling Bottom Sediments); (g) include, where appropriate, monitoring of macroinvertebrates in accordance with the latest version of macroinvertebrates Bioassessment by AUSRIVAS using AUSRIVAS Macroinvertebrate Predictive Modelling; (h) for water quality objectives, environmental values, physio-chemical, biological and habitat indictors apply procedures and/or guidelines including latest version of ANZECC and AMRCANZ 2000, ANZG 2018 guideline and other relevant guideline documents such as Environmental Protection (Water and Wetland Biodiversity) Policy 2019 with scheduled environmental values and water quality objectives and Queensland Water Quality Guidelines; and (i) describe sampling and analysis methods and quality assurance and control; and incorporate stream flow and hydrological information in the interpretations of water quality.

Water Management Plan A Water Management Plan must be developed by an appropriately qualified person and implemented for all stages of the authorised mining activities. The water management plan must be submitted to the administering authority for review and within twelve (12) months of the diversion of Back Creek and installation of the levee. Permit Environmental Authority EPML00841513 Commodore Coal Mine

The Water Management Plan required by condition C21 must: (a) provide for effective management of actual and potential environmental impacts resulting from water management associated with the mining activity carried out under the environmental authority; (b) a study for the source of contaminants; (c) a water balance model for the site; (d) a water management system for the site; (e) Erosion and sediment control measures to be implemented; (f) measure to management and prevent saline drainage; (g) measures to manage and prevent acid and metalliferous drainage; (h) contingency procedures for emergency events; and (i) a program for monitoring and review of the effectiveness of the water management plan.

A record of and an analysis of the results of the surface water monitoring conducted in accordance with the Water Management Plan, including background water quality monitoring must be kept and forwarded to the administering authority on request.

Sediment and erosion control All reasonable and practicable erosion and sediment control measures must be provided and maintained to effectively minimise any likelihood of erosion and release of sediments from the mine (e.g. diversion banks, sediment collection dams and progressive revegetation of disturbed areas). The erosion and sediment control measures must be maintained during mining operations, decommissioning and post mining.

An Erosion and Sediment Control Plan must be developed by an appropriately qualified person and implemented for all stages of the mining activities on the site to minimise erosion and the release of sediment to receiving waters and contamination of stormwater.

Temporary interference with waterways Destroying native vegetation, excavating, or placing fill in a watercourse, lake or spring necessary for and associated with mining operations must be undertaken in accordance with a `Riverine Protection Permit' or `Riverine Protection permit exemption requirements (WSS/2013/726, Version 2.01) (or a later version or any successor). Department of Natural Resources and Mines (or its successor) Guideline - Activities in a Watercourse, Lake or Spring associated with Mining Activities.

Groundwater Groundwater affected by the mining activities must be monitored for standing water levels and flow rates (if applicable) prior to sampling for water quality parameters at the locations and frequencies defined in Table C6 - Groundwater monitoring locations and frequency and Appendix 3 - Location of groundwater monitoring bores for the parameters defined in Table

- Groundwater contaminant trigger levels for bores marked * in Table C6 for bores marked *. Note: GW7, GW12, GW13, and GW14 shall be monitored until made in-operable by mining activities. Permit Environmental Authority EPML00841513 Commodore Coal Mine Table C6 - Groundwater monitoring locations and frequency Monitoring Latitude Longitude Aquifer Location Monitoring point (GDA2020)** (GDA2020)** frequency CMW101* -27.916689 151.314275 Marburg Sandstone Up-gradient Quarterly - Standing water levels and quality CMW102* -27.938703 151.313700 Marburg Sandstone Up-gradient Quarterly - Standing water levels and quality CMW103A -27.928500 151.33345 Marburg Sandstone Up-gradient Quarterly - Standing water levels CMW103B -27.927600 151.333583 Marburg Sandstone Up-gradient Quarterly - Standing water levels CMW104* -27.916878 151.263542 Marburg Sandstone Down gradient Quarterly - Standing water levels CMW105A -27.922056 151.320825 Marburg Sandstone Up-gradient Quarterly - Standing water levels CMW105B -27.922506 151.320758 Marburg Sandstone Up-gradient Quarterly - Standing water levels GW7* -27.929039 151.284517 Commodore Coal Seam Up-gradient Quarterly - Standing water levels and quality

-27.923908 151.247772 Commodore Coal Seam Down gradient Quarterly - Standing water levels GW11* -27.923936 151.247792 Marburg Sandstone Down gradient Quarterly - Standing water levels GW12* -27.923448 151.2718202 Marburg Sandstone Down gradient Quarterly - Standing water levels GW13* -27.923436 151.271819 Commodore Coal Seam Down gradient Quarterly - Standing water levels and quality GW14* -27.923392 151.271811 Back Creek Alluvium Down gradient Quarterly - Standing water levels GW17* -27.871700 151.314867 Marburg Sandstone Down gradient Quarterly - Standing water levels and quality GW18* -27.871683 151.314983 Walloon Coal Measure Down gradient Quarterly - Standing water levels and quality GW19* -27.905983 151.349883 Marburg Sandstone Up-gradient Quarterly - Standing water levels and quality GW20* -27.906000 151.349717 Walloon Coal Measure Down gradient Quarterly - Standing water levels and quality

-27.888633 151.380800 Marburg Sandstone Up-gradient Quarterly - Standing water levels

-27.957217 151.340200 Marburg Sandstone Up-gradient Quarterly - Standing water levels GW23* -27.907840 151.245878 Commodore Coal Seam Up gradient Quarterly - Standing water levels and quality

-27.962478 151.284933 Marburg Sandstone Up gradient Quarterly - Standing water levels and quality

-27.962476 151.285046 Walloon Coal Measure Up gradient Quarterly - Standing water levels and quality GW26* -27.912853 151.271025 Back Creek Alluvium Down gradient Quarterly - Standing water levels and quality

-27.918363 151.234850 Commodore Coal Seam Up gradient Quarterly - Standing water levels

-27.944008 151.227720 Commodore Coal Seam Up gradient Quarterly - Standing water levels GW29* -27.918271 151.234779 Walloon Coal Measures Down gradient Quarterly - Standing water levels and quality GW30* -27.951207 151.275468 Back Creek Alluvium Down gradient Quarterly - Standing water levels and quality * See below in Table C7. ** GDA 2020 (Lat and Long) Geocentric Datum of Australia 2020 which uses GRS80 (an earth centered ellipsoid) and ITRF2014 @ 1 Jan 2020. The difference in the origin of the ANS and GRS80 ellipsoids is approximately 216m at Commodore Mine. The difference between ITRF1992 and ITRF2014 (International Terrestrial Reference Frame) is approximately 1.6m at Commodore Mine. Latitude and Longitude measured in degrees to 6 decimal places approximately equals 0.111m. Permit Environmental Authority EPML00841513 Commodore Coal Mine

If the groundwater contaminant trigger levels defined in Table C7 - Groundwater contaminant trigger levels for bores in Table C6 marked * are exceeded then the environmental authority holder must complete an investigation into the potential for environmental harm and notify the administering authority via WaTERS within three (3) months of receiving the analysis results. For condition C28, an exceedance is when a limit for any quality characteristic specified in Table

- Groundwater contaminant trigger levels for bores in Table C6 marked * for bores in Table C6 - Groundwater monitoring locations and frequency marked with an * is exceeded by Limit A: five consecutive exceedances and Limit B: three consecutive exceedances.

For those groundwater bores marked with an * in Table C6 - Groundwater monitoring locations and frequency, groundwater levels must be monitored and groundwater draw down fluctuations in excess of 2m per year, not resulting from the pumping of licensed bores, must be notified within fourteen (14) days to the administering authority via WaTERS following completion of monitoring.

The method of water sampling required by this environmental authority must comply with that set Manual. Permit Environmental Authority EPML00841513 Commodore Coal Mine Table C7 - Groundwater contaminant trigger levels for bores in Table C6 marked * Analyte pH1 EC1 Boron Cadmium Molybdenum Iron (dissolved)1 Nitrate as Selenium Sulphate Major Ions Unit pH scale -S/cm (dissolved)2 (dissolved)1 (dissolved)2 N2 (dissolved)2 (dissolved)1 Total Cyanide1 mg/L mg/L mg/L mg/L mg/L mg/L mg/L mg/L Limit3 Limit A Limit B Limit A Limit B Limit B Limit A Limit B Limit B Limit A Limit B Limit B Limit A Limit B Limit A Limit B Limit A Limit B

7.2 - 8.6 6.9 - 8.8 1384 1542 0.94 0.0030 0.0043 0.034 0.47 0.87 2.4 NA 0.005 21.1 24.6 0.0025 0.0025 For 0.0091 0.0381 181.8 186.9 0.0025 interpretation purposes 6.7 - 7.4 6.5 - 7.5 17140 17252 0.94 0.0178 0.0267 0.0025 only

7.4 - 8.3 7.3 - 8.4 1142 1173 0.94 0.0074 0.0082 0.034 0.36 0.66 2.4 NA 0.005 0.5 1.5 0.0025 0.0041

7.8 - 9.1 7.3 - 9.3 3020 3654 0.94 0.0005 0.0011 0.034 0.72 3.36 2.4 NA 0.005 0.5 9.2 0.0020 0.0040

7.1 - 7.3 6.9 - 7.7 5360 5680 0.94 0.0007 0.0026 0.034 10.27 28.52 2.4 NA 0.005 18.0 19.9 0.0025 0.0060

6.8 - 7.6 6.6 - 7.9 7252 7266 0.94 0.0046 0.0057 0.034 4.30 5.88 2.4 NA 0.005 208.0 214.2 0.0025 0.0025 CMW1045 7.1 - 7.4 7.0 - 7.6 5068 5092 0.94 0.0044 0.0064 0.034 0.07 0.22 2.4 NA 0.005 95.8 99.7 0.0025 0.0031

7.1 - 7.4 7.0 - 7.6 5068 5092 0.94 0.0044 0.0064 0.034 0.07 0.22 2.4 NA 0.005 95.8 99.7 0.0025 0.0031

7.4 - 7.7 7.3 - 7.9 341 348 0.94 0.0046 0.0055 0.034 0.04 0.20 2.4 NA 0.005 2.8 3.5 0.0023 0.0025 1 Site specific derived trigger. 2 Aquatic Ecosystem Protection criteria unless specified 3 Limit A: Five Consecutive exceedances. Limit B: Three consecutive exceedances 4 NA = Not applicable; Aquatic Ecosystem Protection criteria applied as Limit B only. 5 Interim values pending additional data collection. Permit Environmental Authority EPML00841513 Commodore Coal Mine

Back Creek Diversion Monitoring Program Within twelve (12) months of receiving approval from DNRM&W for the Back Creek low flow channel the environmental authority holder must develop a program to monitor the diversion of Back Creek. The draft monitoring program must be consistent with the DNRM&W license and be submitted to the administering authority for comment at least six (6) weeks prior to commencement of the program. The holder of this environmental authority must have due regard for the comments of the administering authority in finalising the details of the monitoring program. The Back Creek Diversion Monitoring Program must satisfy the following: (a) Developed and carried out by a person possessing appropriate qualifications and experience in aquatic ecological and water quality monitoring, and to be able to competently make recommendations about these matters; (b) Establish and document monitoring points at locations that are consistent with the conditions of the license issued by DRDMW for the low flow channel and are suitable for the monitoring program reviewed by the administering authority. (c) Monitoring in accordance with the accepted Monitoring Program must commence at least five years prior to Back Creek being diverted; (d) In addition to regular condition and trend surveillance monitoring, the monitoring program results should also enable assessment of the establishment of the aquatic and riparian zones in the diverted section of Back Creek; (e) After Back Creek has been diverted and in the event that monitoring results indicate a significant decline in the pre-determined values or ecological condition of Back Creek, or indicates any other significant ecological impact, the monitoring program must include provisions for action to address the actual or potential harm to Back Creek and downstream reaches.

Regulated Structures (dams and levees) The consequence category of any structure must be assessed by a suitably qualified and experienced person in accordance with the Manual for assessing consequence categories and (a) prior to the design and construction of the structure; or (b) prior to any change in its purpose or the nature of its stored contents.

The consequence assessment report and certification must be prepared for each structure assessed and the report may include a consequence assessment for more than one structure.

Certification must be provided by the suitably qualified and experienced person who undertook the assessment, in the form set out in the Manual for assessing consequence categories and hydraulic

Assessing Design and Construction of a Regulated Structure All regulated structures must be designed by, and constructed under the supervision of, a suitably qualified and experienced person in accordance with the requirements of the Manual for assessing Permit Environmental Authority EPML00841513 Commodore Coal Mine

Construction of a regulated structure is prohibited unless: (a) the holder has submitted a consequence category assessment report and certification to the administering authority; and (b) certification for the design, design plan and the associated operating procedures has been certified by a suitably qualified and experienced person in compliance with the relevant condition of this authority.

Certification must be provided by the suitably qualified and experienced person who oversees the preparation of the design plan in the form set out in the Manual for assessing consequence Register of Regulated Structures.

Regulated structures must: (a) be designed and constructed in compliance with the Manual for assessing consequence (b) be designed and constructed with due consideration given to ensuring that the design integrity would not be compromised on account of: (i) floodwaters from entering the regulated dam from any watercourse or drainage line; and (ii) wall failure due to erosion by floodwaters arising from any watercourse or drainage line. (iii) for regulated dams that are dams associated with a failure to contain - seepage: have the floor and sides of the dam designed and constructed to prevent or minimise the passage of the wetting front and any entrained contaminants through either the floor or sides of the dam during the operational life of the dam and for any period of decommissioning and rehabilitation of the dam.

Certification by the suitably qualified and experienced person who supervises the construction must be submitted to the administering authority on the completion of construction of the regulated structure, and state that: (a) the 'as constructed' drawings and specifications meet the original intent of the design plan for that regulated structure; and (b) construction of the regulated structure is in accordance with the design plan.

Notification of Affected Persons All affected persons must be provided with a copy of the emergency action plan in place for each regulated structure (a) for existing structures that are regulated structures, within ten (10) business days of this condition taking effect; (b) prior to the operation of the new regulated structure; and (c) if the emergency action plan is amended, within five (5) business days of it being amended. Permit Environmental Authority EPML00841513 Commodore Coal Mine

Operation of a Regulated Structure Operation of a regulated structure is prohibited unless the holder has submitted to the administering authority: (a) one paper copy and one electronic copy of the design plan and certification of the `design plan' in accordance with condition C34; (b) a set of `as constructed' drawings and specifications; (c) certification of those `as constructed drawings and specifications' in accordance with condition C39; (d) where the regulated structure is to be managed as part of an integrated containment system for the purpose of sharing the DSA volume across the system, a copy of the certified system design plan; (e) written confirmation that the requirements of this authority relating to the construction of the regulated structure have been met; (f) written confirmation that the holder has entered the details required under this authority, into a Register of Regulated Dams; and (g) there is a current operational plan for the regulated structures.

Each regulated structure must be maintained and operated, for the duration of its operational life until decommissioned and rehabilitated, in compliance with the current operational plan and, if applicable, the current design plan and associated certified `as constructed' drawings.

Mandatory Reporting Level Conditions C44 to C47 inclusive only apply to Regulated Structures which have not been certified as low consequence category for `failure to contain - overtopping'.

The Mandatory Reporting Level (MRL) must be marked on a regulated dam in such a way that during routine inspections of that dam, it is clearly observable.

The holder of this environmental authority must, as soon as practicable and within forty-eight (48) hours of becoming aware, notify the administering authority when the level of the contents of a regulated dam reaches the MRL.

The holder must, immediately on becoming aware that the MRL has been reached, act to prevent the occurrence of any unauthorised discharge from the regulated dam.

The holder must record any changes to the MRL in the Register of Regulated Structures.

Design Storage Allowance The holder must assess the performance of each regulated dam or linked containment system over the preceding November to May period based on actual observations of the available storage in each regulated dam or linked containment system taken prior to 1 July of each year.

By 1 November of each year, storage capacity must be available in each regulated dam (or network of linked containment systems with a shared DSA volume), to meet the Design Storage Allowance (DSA) volume for the dam (or network of linked containment systems).

The holder must, as soon as practicable but within forty-eight (48) hours of becoming aware that the regulated dam (or network of linked containment systems) will not have the available storage to meet the DSA volume on 1 November of any year, notify the administering authority. Permit Environmental Authority EPML00841513 Commodore Coal Mine

The holder must, immediately on becoming aware that a regulated dam (or network of linked containment systems) will not have the available storage to meet the DSA volume on 1 November of any year, act to prevent the occurrence of any unauthorised discharge from the regulated dam or linked containment systems.

Annual Inspection Report Each regulated structure must be inspected each calendar year by a suitably qualified and experienced person.

At each annual inspection, the condition and adequacy of all components of the regulated structure must be assessed and a suitably qualified and experienced person must prepare an annual inspection report containing details of the assessment and include a recommendations section, with any recommended actions to ensure the integrity of the regulated structure or a positive statement that no recommendations are required.

The suitably qualified and experienced person who prepared the annual inspection report must certify the report in accordance with the Manual for assessing consequence categories and

The holder must within twenty (20) business days of receipt of the annual inspection report, provide to the administering authority: (a) The recommendations section of the annual inspection report; and (b) If applicable, any actions being taken in response to those recommendations; and (c) If, following receipt of the recommendations and (if applicable) recommended actions, the administering authority requests a copy of the annual inspection report from the holder, provide this to the administering authority within ten (10) business days of receipt of the request.

Transfer Arrangements The holder must provide a copy of any reports, documentation and certifications prepared under this authority, including but not limited to any Register of Regulated Structures, consequence assessment, design plan and other supporting documentation, to a new holder on transfer of this authority.

Decommissioning and Rehabilitation Regulated structures must not be abandoned but be decommissioned and rehabilitated to achieve compliance with approved PRCP schedule.

Register of Regulated Structures A Register of Regulated Structures must be established and maintained by the holder for each regulated dam.

The holder of this environmental authority must provisionally enter the required information in the Register of Regulated Dams when a design plan for a regulated dam is submitted to the administering authority.

The holder of this environmental authority must make a final entry of the required information in the Register of Regulated Dams once compliance with condition C41 has been achieved.

The holder of this environmental authority must ensure that the information contained in the Register of Regulated Dams is current and complete on any given day. Permit Environmental Authority EPML00841513 Commodore Coal Mine

All entries in the Register of Regulated Dams must be approved by the chief executive officer for the holder of this authority, or their delegate, as being accurate and correct.

The holder of this environmental authority must, at the same time as providing the annual return, supply to the administering authority a copy of the records contained in the Register of Regulated Dams, in the electronic format required by the administering authority.

Transitional Arrangements All existing structures that have not been assessed in accordance with either the Manual or the former Manual for Assessing Hazard Categories and Hydraulic Performance of Dams must be assessed and certified in accordance with the Manual within six (6) months of amendment of the authority adopting this schedule.

All existing structures must subsequently comply with the timetable for any further assessments in accordance with the Manual specified in Table C8 - Transitional hydraulic performance requirements for existing structures, depending on the consequence category for each existing structure assessed in the most recent previous certification for that structure.

Table C8 - Transitional hydraulic performance requirements for existing structures ceases to apply for a structure once any of the following events has occurred: (a) it has been brought into compliance with the hydraulic performance criteria applicable to the structure under the Manual; or (b) it has been decommissioned; or (c) it has been certified as no longer being assessed as a regulated structure.

Certification of the transitional assessment required by conditions C64 and C65 (as applicable) must be provided to the administering authority within six (6) months of amendment of the authority adopting this schedule. Permit Environmental Authority EPML00841513 Commodore Coal Mine Table C8 - Transitional hydraulic performance requirements for existing structures Transition period required for existing structures to achieve the requirements of the Manual for Assessing Consequence Categories and Hydraulic Performance of Dams Compliance with High consequence Significant Low consequence criteria consequence No transitional conditions >90% and a history of No transition required No transition required apply. Review good compliance consequence assessment performance in last 5 years every 7 years. >70%-90% Within 7 years, unless Within 10 years, unless No transitional conditions otherwise agreed with the otherwise agreed with the apply. Review administering authority, administering authority, consequence assessment based on no history of based on no history of every 7 years. unauthorised releases. unauthorised releases. 50-70% Within 5 years unless Within 7 years unless Review consequence otherwise agreed with the otherwise agreed with the assessment every 7 administering authority, administering authority, years. based on no history of based on no history of unauthorised releases. unauthorised releases. 50% Within 5 years or as per Within 5 years or as per Review consequence compliance requirements compliance requirements assessment every 5 (e.g. TEP timing). (e.g. TEP timing). years. Regulated levee designed Within 5 years unless otherwise agreed with the administering authority. to prevent the ingress of clean flood water <100% compliant* * Levees designed for the diversion of contaminated waters or protection of the structural integrity of a dam are not to be considered as part of this provision. These levees are considered a key design element of the relevant dam and transitional periods should as such align to that relevant compliance criteria and consequence category.

Recycled Water The use of recycled water on the mine will be in accordance with the `The Australian Guidelines for Water Recycling: Managing Health and Environmental Risks' (Phase 1) (2006), any guidelines that supersede it, or relevant guidelines to the activity and use. Where the recycled water is to be used for irrigation refer to `Disposal of effluent using irrigation, Technical Guideline' by Environment and Science, Queensland Government (2020).

A Recycled Water Risk Management Plan is to be prepared and approved by the administering authority prior to using recycled water on site. Environmental Values are to be addressed for each site-specific use of the recycled water in line with the Technical Guidelines for the requirements of activities with impacts to Environmental Values. Permit Environmental Authority EPML00841513 Commodore Coal Mine Schedule D: Noise and Vibration Condition Condition number

Subject to conditions D2 and D3 noise from mining activities must not cause an environmental nuisance at any sensitive place or commercial place.

When requested by the administering authority, noise monitoring must be undertaken within a reasonable and practicable timeframe nominated by the administering authority to investigate any complaint (which is neither frivolous nor vexatious nor based on mistaken belief in the opinion of the authorised officer) of environmental nuisance at any sensitive place or commercial place, and the results must be notified within fourteen (14) days to the administering authority following completion of monitoring.

If the environmental authority holder can provide evidence through monitoring that the limits defined in Table D1 - Noise limits for ML50151are not being exceeded, then the holder is not in breach of condition D1. Monitoring and analysis must provide: (a) Determination of LAr, 1hr for noise from mining activities at the sensitive place or commercial place by: (i) Manned monitoring at a noise sensitive place or commercial place by an appropriately qualified person and all noises noted in a log; (ii) Simultaneously with (i), measuring noise from activities at ML50151 at a site between ML50151 and a sensitive or commercial place considered appropriate by the administering authority to determine the `signature' of noise from activities on ML50151; (iii) Narrow band analysis of (i) and (ii) to identify the noise `signature' of the power station and other noise sources; (iv) Removal of the identified noise `signature' of the power station and other noises identified by (i) and (ii) as not emanating from ML50151 from the noise level measured at the sensitive place or commercial place; (b) The level and frequency of occurrence of impulsive or tonal noise; (c) Atmospheric conditions including temperature, wind speed and direction; and (d) Location, date and time of recording.

If monitoring indicates exceedance of the limits in Table D1 - Noise limits for ML50151 due to the contribution from ML50151, then the environmental authority holder must: (a) resolve the complaint with the use of appropriate dispute resolution techniques tothe satisfaction of the administering authority; and (b) Implement noise abatement measures so that emissions of noise from the activity do not result in exceedance of the limits in Table D1 - Noise limits for ML50151.

The method of measurement and reporting of noise levels must comply with the latest edition of Permit Environmental Authority EPML00841513 Commodore Coal Mine Table D1 - Noise limits for ML50151 Noise level dB Sensitive place Sundays and public holidays (A) Monday to Saturday measured as: 7am - 6pm 6pm - 10pm 10pm - 7am 7am - 6pm 6pm - 10pm 10pm - 7am LAr,1hr 45 40 35 40 40 35 Noise level dB Commercial place (A) measured as: Monday to Saturday Sundays and public holidays 7am - 6pm 6pm - 10pm 10pm - 7am 7am - 6pm 6pm - 10pm 10pm - 7am LAr,1hr 50 45 40 50 45 40 Note: The method of measurement and reporting of noise levels must comply with the latest editions of the Department of Environment and Science Noise Measurement Manual. Table D2 - Airblast overpressure level - 'Sensitive place or Commercial place' Noise parameter Monday to Friday 9am - 4pm Saturday Sundays and public 9am - 3pm holidays Air blast overpressure level (dB linear peak) 115dB (80th percentile) No blasting permitted Air blast overpressure level (dB linear 120dB (maximum) peak)

Vibration Nuisance Subject to conditions D7 and D8 vibration from the mining activity must not cause an environmental nuisance, at any sensitive or commercial place.

When requested by the administering authority, vibration monitoring must be undertaken within a reasonable and practicable timeframe nominated by the administering authority to investigate any complaint (which is neither frivolous nor vexatious nor based on mistaken belief in the opinion of the authorised officer) of environmental nuisance at any sensitive or commercial place, and the results must be notified within fourteen (14) days to the administering authority following completion of monitoring.

Blasting must be undertaken in accordance with Table D3 - Vibration limits - 'Sensitive place or Commercial place'. Table D3 - Vibration limits - 'Sensitive place or Commercial place' Vibration parameter Monday to Friday 9am - 4pm Sundays and public Saturday 9am - 3 pm holidays Houses and low rise residential buildings and commercial buildings not included 10mm/s No blasting permitted peak particle velocity below Commercial and industrial buildings or 25mm/s structures of reinforced concrete or steel peak particle velocity construction Permit Environmental Authority EPML00841513 Commodore Coal Mine

If the environmental authority holder can provide evidence through monitoring that the limits defined in Table D2 - Airblast overpressure level - 'Sensitive place or Commercial place' and Table D3 - Vibration limits - 'Sensitive place or Commercial place' are not being exceeded then the holder is not in breach of condition D6. Monitoring must include: (a) Location of the blast/s within the mining area (including which bench level); (b) Atmospheric conditions including temperature, % cloud cover, relative humidity and wind speed and direction; (c) Location, date and time of recording; (d) Airblast overpressure levels dB (linear) peaks; and (e) Peak particle velocity (mm/s).

If monitoring indicates exceedance of the relevant limits in Table D2 - Airblast overpressure level - 'Sensitive place or Commercial place' or Table D3 - Vibration limits - 'Sensitive place or Commercial place', then the environmental authority holder must: (a) address the complaint including the use of appropriate dispute resolution if required; and (b) immediately implement vibration abatement measures so that vibration from the activity does not result in further environmental nuisance. Permit Environmental Authority EPML00841513 Commodore Coal Mine Schedule E: Waste Condition Condition number

Waste Management Plan A Waste Management Plan must be developed, implemented and reviewed, by an appropriately qualified person(s), for all stages of mining activities and provided to the administering authority for review and comment by 31 May 2020, and at intervals not exceeding three (3) years thereafter.

The Waste Management Plan required by condition E1 must include: (a) a description of the mining activities that may generate waste; (b) waste management control strategies such as: (i) the types and amounts of wastes generated by the mining activities. (ii) segregation of the wastes. (iii) storage of the wastes. (iv) disposal of the wastes. (v) transport of the wastes. (vi) monitoring and reporting matters concerning the wastes. (c) the hazardous characteristics of the wastes generated including disposal for hazardous wastes; (d) a program for reusing, recycling or disposing of all wastes; (e) how the waste will be dealt with in accordance with the waste management hierarchy, including a description of the types and amounts of waste that will be dealt with under each of the waste management practices in the waste management hierarchy (that is, avoidance, reuse, recycling, energy recovery and disposal); (f) procedures for identifying and implementing opportunities to minimise the amount of waste generated, promote efficiency in the use of resources and improve the waste management practices employed; (g) procedures for dealing with accidents, spills and other incidents; (h) details of any accredited management system employed, or planned to be employed, to deal with waste; (i) how often the performance of the waste management plan will be assessed; (j) the indicators or other criteria on which the performance of the waste management plan will be assessed; and (k) staff training and induction to the waste management plan.

Within twenty (20) business days of receiving comments from the administering authority as per condition E1, the Waste Management Plan must be updated to address the comments, amended to adopt any recommendations and submitted to the administering authority.

Mine waste material must be managed in accordance with the Waste Management Plan required by condition E1. Permit Environmental Authority EPML00841513 Commodore Coal Mine

Monitoring of lysimeters/piezometers The following lysimeter or piezometer must be installed within the buried ash. A minimum of four lysimeters or piezometers must be installed at separate locations where ash is buried in-pit. The first in-pit lysimeter or piezometer will be installed during mining years 0 - 7, the second in-pit lysimeter or piezometer will be installed during mining years 7 - 14, the third in-pit lysimeter or piezometer will be installed during mining years 14 - 21, and the fourth in-pit lysimeter or piezometer will be installed during mining years 21 - 30.

Should water be identified in the monitoring bores, where the presence is not attributed to bore failure, monitoring should be undertaken in order to monitor leachate on, at least, six monthly intervals. Monitoring shall include basic water content and the water quality parameters of Boron, Molybdenum and Selenium (as mg/L).

Coal Combustion Products Storage and Management The holder of this environmental authority may store coal combustion products generated by the burning of coal at the Millmerran Power Station in the ash disposal areas defined in Table E1 - Authorised coal combustion product storage locations and Appendix 4 - Ash disposal areas.

Coal combustion products stored in the ash disposal areas defined in Table E1 - Authorised coal combustion product storage locations and Appendix 4 - Ash disposal areas must comply with contaminant limits defined in Table E2 - Maximum Allowable Leaching Contaminant (TCLP) Levels.

In addition to meeting the criteria in Table E2 - Maximum Allowable Leaching Contaminant (TCLP) Levels, the coal combustion products must not have any properties or contain any other contaminants at concentrations which may cause environmental harm.

Ash transfer Ash deposited and stored in the ash disposal areas identified in Table E1 - Authorised coal combustion product storage locations and Appendix 4 - Ash disposal areas, must be conditioned to approximately 20 per cent moisture content prior to being transferred from the power station site to the Commodore Coal Mine in order to minimise the release of dust emissions. Table E1 - Authorised coal combustion product storage locations Void identification Location All mine voids Refer to Appendix 4 - Ash disposal areas Permit Environmental Authority EPML00841513 Commodore Coal Mine Table E2 - Maximum Allowable Leaching Contaminant (TCLP) Levels Contaminant Maximum TCLP Value (mg/L) Silver 0.5 Arsenic 0.5 Barium 10 Cadmium 0.05 Chromium 0.5 Copper 10 Nickel 0.5 Lead 0.5 Antimony 0.5 Thallium 0.1 Zinc 50 Selenium 0.1 Mercury 0.01 Permit Environmental Authority EPML00841513 Commodore Coal Mine Schedule F: Land Condition Condition number

Contaminant release Contaminants must not be released to land, except as permitted under the conditions of this environmental authority.

Progressive Rehabilitation and Closure Plan Land disturbed by mining must be rehabilitated in accordance with the approved Progressive Rehabilitation and Closure Plan (PRCP) schedule for this environmental authority.

The holder of this environmental authority must prevent the spread of restricted invasive plants by developing a weed control program and by ensuring that all vehicles and machinery are adequately cleaned before taking the vehicles and machinery out of an area with restricted invasive plants. The weed control program must list all identified weeds and weed control methods.

Topsoil must be managed at site according to the following: (a) Prior to any disturbance, strip the topsoil to a minimum depth of 300mm; (b) Place topsoil directly onto areas requiring rehabilitation wherever possible; (c) Topsoil stockpiles are to be established and managed so they do not become sterile, including at least: (i) deep ripping; (ii) ensure successful vegetation cover to manage weeds and erosion for stockpiles >28 days old; (iii) ensure all stockpiles have stable slopes that limits erosion; (iv) all stockpiles must be less than 3m high; (d) Topsoil stockpiles are to be built outside of floodplains; and (e) Stripping, placing of topsoil and topsoil stockpiles are to be managed in accordance with the Erosion and Sediment Control Plan. Permit Environmental Authority EPML00841513 Commodore Coal Mine Definitions Key terms and/or phrases used in this document are defined in this section. Where a term is not defined, the definition in the Environmental Protection Act 1994, its regulations or environmental protection policies must be used. If a word remains undefined it has its ordinary meaning. "administering authority" is the agency or department that administers the environmental authority provisions under the Environmental Protection Act 1994. "affected person" is someone whose drinking water can potentially be impacted as a result of discharges from a dam or their life or property can be put at risk due to dwellings or workplaces being in the path of a dam break flood. "airblast overpressure" means energy transmitted from the blast site within the atmosphere in the form of pressure waves. The maximum excess pressure in this wave, above ambient pressure is the peak air blast overpressure measured in decibels linear (dB). "annual exceedance probability or AEP" the probability that at least one event in excess of a particular magnitude will occur in any given year. "Annual inspection report" means an assessment prepared by a suitably qualified and experienced person containing details of the assessment against the most recent consequence assessment report and design plan (or system design plan); (a) against recommendations contained in previous annual inspections reports; (b) against recognised dam safety deficiency indicators; (c) for changes in circumstances potentially leading to a change in consequence category; (d) for conformance with the conditions of this authority; (e) for conformance with the `as constructed' drawings; (f) for the adequacy of the available storage in each regulated dam, based on an actual observation or observations taken after 31 May each year but prior to 1 November of that year, of accumulated sediment, state of the containment barrier and the level of liquids in the dam (or network of linked containment systems); (g) for evidence of conformance with the current operational plan. "appropriately qualified person" means a person who has professional qualifications, training, skills or experience relevant to the nominated subject matter and can give authoritative assessment, advice and analysis on performance relating to the subject matter using the relevant protocols, standards, methods or literature. "Assessed or assessment" by a suitably qualified and experienced person in relation to a consequence assessment of a dam, means that a statutory declaration has been made by that person and, when taken together with any attached or appended documents referenced in that declaration, all of the following aspects

Permit Environmental Protection Act 1994 Environmental Authority This environmental authority is issued by the administering authority under Chapter 5 of the Environmental Protection Act 1994. Environmental authority number: EPML00841513 Registered address Environmental authority takes effect on 16 June 2026 Level 31, Central Plaza, 345 Queen Street Brisbane QLD 4000 Environmental authority holder(s) Name(s) Millmerran Investment Company II Pty Ltd Millmerran Investment Company III Pty Ltd QUEENSLAND POWER (AUSTRALIA) PTY LTD Millmerran Investment Company IV Pty Ltd Millmerran Investment Company VI Pte Ltd Millmerran Investment Company V Pte Ltd Millmerran Investment Company I Pty Ltd Queensland Power Company Pty Ltd Environmentally relevant activity and location details Environmentally relevant activity/activities Location(s) Schedule 3 13: Mining black coal ML50151 Ancillary 08 - Chemical Storage 1: Storing a total of 50t or more of chemicals of dangerous goods class 1 or class 2, division 2.3 under subsection (1)(a) Ancillary 60 - Waste disposal 1: Operating a facility for disposing of, in a year, the following quantity of waste mentioned in subsection (1)(a) (d) more than 200,000t Ancillary 62 - Resource recovery and transfer facility operation 1: Operating a facility for receiving and sorting, dismantling, baling or temporarily storing- (d) category 1 regulated waste

Permit Environmental Authority EPML00841513 Commodore Coal Mine Additional information for applicants Environmentally relevant activities The description of any environmentally relevant activity (ERA) for which an environmental authority (EA) is issued is a restatement of the ERA as defined by legislation at the time the EA is issued. Where there is any inconsistency between that description of an ERA and the conditions stated by an EA as to the scale, intensity or manner of carrying out an ERA, the conditions prevail to the extent of the inconsistency. An EA authorises the carrying out of an ERA and does not authorise any environmental harm unless a condition stated by the EA specifically authorises environmental harm. A person carrying out an ERA must also be a registered suitable operator under the Environmental Protection Act 1994 (EP Act). Mobile and temporary activities If you operate a mobile and temporary ERA, other than regulated waste transport, you are required to maintain a work diary. You must: - keep the work diary records for 2 years after the last entry; - inform the administering authority within 7 days of the work diary being lost or stolen; - record the information required in the work diary for each location within 1 day of leaving the location. Contaminated land It is a requirement of the EP Act that an owner or occupier of land give written notice to the administering authority if they become aware of the following: - the presence of, or happening of an event involving, a hazardous contaminant on the land that is causing, or is reasonably likely to cause, serious or material environmental harm (notice must be given within 24 hours); or - if the land is contaminated land - a change in the condition of the land that is causing, or is reasonably likely to cause, serious or material environmental harm (notice must be given within 24 hours); or - a notifiable activity (as defined in Schedule 3) having been carried out, or is being carried out, on the land (notice must be given within 20 business days). For further information, including the form for giving written notice, refer to the Queensland Government website www.qld.gov.au, using the search term `duty to notify'. Take effect Please note that, in accordance with section 200(1) of the EP Act, an EA has effect: (a) if the authority is for a prescribed ERA and it states that it takes effect on the day nominated by the holder of the authority in a written notice given to the administering authority--on the nominated day; or (b) if the authority states a day or an event for it to take effect--on the stated day or when the stated event happens; or (c) otherwise--on the day the authority is issued. However, in accordance with section 200(2) of the EP Act, the day that the EA takes effect may not be before: (a) if the authority is for a resource activity--the day the relevant tenure is granted to the applicant; or (b) if a development permit for a material change of use of premises under the Planning Act 2016 is necessary for carrying out an activity that related to the authority--the day the development permit takes effect; or (c) if an SDA Approval under the State Development and Public Works Organisation Act 1971 is necessary for carrying out an activity that relates to the authority--the day the approval takes effect.

Permit Environmental Authority EPML00841513 Commodore Coal Mine If this EA takes effect when the additional authorisation takes effect, you must provide the administering authority written notice within 5 business days of receiving notification of the related additional authorisation taking effect. If you have incorrectly claimed that an additional authorisation is not required, carrying out the ERA without the additional authorisation is not legal and could result in your prosecution for providing false or misleading information or operating without a valid EA. 16 June 2026 Signature Date Ben Byrd Enquiries: Delegate of the administering authority PO Box 3028, Emerald QLD 4720 Environmental Protection Act 1994 Phone: (07) 49879320 Email: CRMining@detsi.qld.gov.au

Permit Environmental Authority EPML00841513 Commodore Coal Mine Obligations under the Environmental Protection Act 1994 In addition to the requirements found in the conditions of this EA, the holder must also meet their obligations under the EP Act, and the regulations made under the EP Act. For example, the holder must comply with the following provisions of the Act: - general environmental duty (section 319) - duty to restore the environment (section 319C) - duty to notify environmental harm (section 320-320G) - offence of causing serious or material environmental harm (sections 437-439) - offence of causing environmental nuisance (section 440) - offence of depositing prescribed water contaminants in waters and related matters (section 440ZG) - offence to place contaminant where environmental harm or nuisance may be caused (section 443). Other permits required This permit only provides an approval under the EP Act. In order to lawfully operate you may also require permits / approvals from your local government authority, other business units within the department, and other State and Federal Government agencies prior to commencing any activity at the site. For example, this may include permits or approvals with your local Council (for planning approval), the Department of Transport and Main Roads (to access State controlled roads), the Department of Natural Resources and Mines, Manufacturing, and Regional and Rural Development (to clear vegetation), and the Department of Primary Industries (to clear marine plants or to obtain a quarry material allocation). Obligations under the Environment Protection and Biodiversity Conservation Act 1999 (EPBC Act) Matters of national environmental significance (MNES) are regulated under the Commonwealth EPBC Act rather than under state legislation. You may need to submit a referral if your project potentially impacts any matters protected under the EPBC Act. For more information on self-assessments, and referral and assessment processes, please visit the Australian Government Department of Climate Change, Energy, the Environment and Water's website at www.dcceew.gov.au/environment/epbc/advice. Obligations under the Aboriginal Cultural Heritage Act 2003 and Torres Strait Islander Cultural Heritage Act 2003 (the Cultural Heritage Acts) The Cultural Heritage Acts require anyone who carries out a land-use activity to exercise a duty of care. This `duty of care' means land users must take all reasonable and practicable measures to ensure their activity does not harm Aboriginal or Torres Strait Islander cultural heritage and applies to any activity where Aboriginal or Torres Strait Islander cultural heritage is located. For more information on your obligations under this legislation, please visit the Department of Women, Aboriginal and Torres Strait Islander Partnerships and Multiculturalism webpage at, www.dwatsipm.qld.gov.au.

Permit Environmental Authority EPML00841513 Commodore Coal Mine Schedules of conditions Schedule A: General Schedule B: Air Schedule C: Water Schedule D: Noise and Vibration Schedule E: Waste Schedule F: Land Definitions Attachments Appendix 1 - "High Flow" (RL 422.531 mAHD) and "Low Flow" (RL 421.445 mAHD) visual indicators in Back Creek at MP1 Appendix 2 - Location of release points, receiving water monitoring points and water storages Appendix 3 - Location of groundwater monitoring bores (refer to Table C6 to determine the aquifer each bore has been completed in) Appendix 4 - Ash disposal areas Appendix 5 - Authorised disturbance area

Permit Environmental Authority EPML00841513 Commodore Coal Mine Conditions of environmental authority Schedule A: General Condition Condition number A1 This environmental authority authorises environmental harm referred to in the conditions. Where there is no condition or this environmental authority is silent on a matter, the lack of a condition or silence does not authorise environmental harm. A2 Maintenance and measures The environmental authority holder must: (a) install all measures, plant and equipment necessary to ensure compliance with the conditions of this environmental authority; (b) maintain such measures, plant and equipment in a proper and efficient condition; (c) operate such measures, plant and equipment in a proper and efficient manner; and (d) ensure all instruments and devices used for the measurement or monitoring of any parameter under any condition of this environmental authority are properly calibrated. A3 Monitoring Except where specified otherwise in another condition of this environmental authority, all monitoring records or reports required by this environmental authority must be kept for a period of not less than five (5) years. A4 Upon request from the administering authority, copies of monitoring records and reports must be made available and provided to the administering authority's nominated office within ten (10) business days or an alternative timeframe agreed between the administering authority and the environmental authority holder. Any management or monitoring plans, systems or programs required to be developed and implemented by a condition of this environmental authority, should be reviewed for effectiveness in minimising the likelihood of environmental harm on an annual basis, and amended promptly if required, unless a particular review date and amendment program is specified in the plan, system or program. A5 Risk Management System The environmental authority holder must develop, implement and maintain a risk management system for mining activities which mirrors the content requirement of the latest version of the Standard for Risk Management (ISO31000), or the latest edition of an Australian standard for risk management, to the extent relevant to environmental management. A6 Notification of Emergencies, Incidents and Exceptions The environmental authority holder must notify the administering authority by written notification within twenty-four (24) hours, after becoming aware of any emergency or incident which results in the release of contaminants not in accordance, or reasonably expected to be not in accordance with, the conditions of this environmental authority.

Permit Environmental Authority EPML00841513 Commodore Coal Mine A7 Within ten (10) business days following the initial notification of an emergency, incident or exceedance, or receipt of monitoring results, whichever is the latter, further written advice must be provided to the administering authority, including the following: (a) results and interpretation of any samples taken and analysed; (b) outcomes of actions taken at the time to prevent or minimise unlawful environmental harm; and (c) proposed actions to prevent a recurrence of the emergency, incident or exceedance. A8 Complaints The environmental authority holder must record all environmental complaints received about the mining activities including: (a) name, address and contact number for of the complainant; (b) time and date of complaint; (c) reasons for the complaint; (d) investigations undertaken; (e) conclusions formed; (f) actions taken to resolve the complaint; (g) any abatement measures implemented; and (h) person responsible for resolving the complaint. A9 The holder of this environmental authority must, when requested by the administering authority, undertake relevant specified monitoring within a reasonable timeframe nominated or agreed to by the administering authority to investigate any complaint of environmental harm. The results of the investigation (including an analysis and interpretation of the monitoring results) and abatement measures, where implemented, must be provided to the administering authority within ten (10) business days of completion of the investigation, or no later than ten (10) business days after the end of the timeframe nominated by the administering authority to undertake the investigation. A10 Emergency Response / Contingency Plan The environmental authority holder must develop, implement and maintain an Emergency Response / Contingency Plan to manage the environmental impacts of uncontrolled release of contaminants to the environment.

Permit Environmental Authority EPML00841513 Commodore Coal Mine A11 The Emergency Response / Contingency Plan must address at least the following matters: (a) Response procedures to be implemented to reduce the likelihood of any release of contaminants to the environment; (b) Response procedures to prevent any further release or if such is not practicable, minimise the extent and duration of any release to the greatest practicable extent; (c) The practices and procedures to be employed to restore the environment, or if such is not practicable, mitigate any environmental impacts of the release; (d) A description of the resources to be used in response to a release; (e) The training of staff that will be called upon to respond to a release; (f) Procedures to investigate the cause of any release, and where necessary, implement remedial actions to reduce the likelihood of recurrence of a similar event; (g) The provision and availability of documented procedures to staff attending any release to enable them to effectively respond; and (h) Timely and accurate reporting of the circumstance and nature of release events to the administering authority. A12 A copy of the Emergency Response / Contingency Plan required by condition A10 must be kept at the place to which this environmentally relevant activity relates and be available for examination by Emergency Services Personnel or an authorised person on request. A13 The mining activity authorised by this environmental authority may only occur within the authorised disturbance area shown on Appendix 5 - Authorised disturbance area.

Permit Environmental Authority EPML00841513 Commodore Coal Mine Schedule B: Air Condition Condition number B1 Dust Nuisance Subject to conditions B2 and B3 the release of dust or particulate matter or both resulting from the mining activity must not cause an environmental nuisance, at any sensitive place. B2 When requested by the administering authority, dust and particulate monitoring must be undertaken within a reasonable and practicable timeframe nominated by the administering authority to investigate any complaint (which is neither frivolous nor vexatious nor based on mistaken belief in the opinion of the authorised officer) of environmental nuisance at any sensitive place, and the results must be notified within fourteen (14) days to the administering authority following completion of monitoring. B3 The environmental authority holder must take all reasonable and feasible avoidance and mitigation measures so that the dust and particulate matter emissions generated by mining activities do not cause exceedances of the following levels when measured at any sensitive or commercial place: (a) Dust deposition of 120 milligrams per square metre per day, averaged over one month, when monitored in accordance with the most recent version of Australia Standard AS3580.10.1 Methods for sampling and analysis of ambient air - Determination of particulate matter - Deposited matter - Gravimetric method; and (b) A concentration of particulate matter with an aerodynamic diameter of less than 10 micrometre (-m) (PM10) suspended in the atmosphere of 50 micrograms per cubic metre over a 24 hour averaging time, at a sensitive place downwind of the operational land, when monitored in accordance with: (i) Particulate matter - Determination of suspended particulate PM10 high-volume sampler with size selective inlet - Gravimetric method, when monitored in accordance with the most recent version of Australian Standard AS3580.9.6 Methods for sampling and analysis of ambient air - Determination of suspended particulate matter - PM10 high volume sampler with size-selective inlet - Gravimetric method; or (ii) Australian Standard AS3580.9.9 Methods for sampling and analysis of ambient air - Determination of suspended particulate matter - PM10 low volume sampler - Gravimetric method. B4 If monitoring indicates exceedance of the relevant limits in condition B3, then the environmental authority holder must: (a) address the complaint including the use of appropriate dispute resolution if required; and (b) as soon as practicable or at the request of the administering authority, implement dust abatement measures so that emissions of dust from the activity do not result in further environmental nuisance.

Permit Environmental Authority EPML00841513 Commodore Coal Mine Schedule C: Water Condition Condition number C1 Release to Waters Contaminants that will, or have, the potential to cause environmental harm must not be released directly or indirectly to any waters as a result of the authorised mining activities, except as permitted under the conditions of this environmental authority. C2 Receiving waters must be monitored at the locations and frequencies defined in Table C1 - Receiving water monitoring points and Appendix 2 - Location of release points, receiving water monitoring points and water storages for the parameters defined in Table C1 - Receiving water monitoring points. C3 The environmental authority holder must take all reasonable and practicable measures to collect at least one grab sample at MP1 (as shown in - Appendix 1 - "High Flow" (RL 422.531 mAHD) and "Low Flow" (RL 421.445 mAHD) visual indicators in Back Creek at MP1) during each flow event when flow in Back Creek at MP1 is in falling stage or base flow. The grab sample must be analysed for both total suspended solids and turbidity. The following information is to be recorded at the time of sampling: (a) ambient weather conditions; (b) time, date and flow rate (m3/s); and (c) photo of sampling location showing level of flow in Back Creek. Note: For the purposes of Table C1 - Receiving water monitoring points and condition C2, grab samples must be taken in a representative manner and if in-stream flow conditions do not permit grab sampling the reason and environmental conditions must be recorded accordingly. C4 All water storages listed in Table C2 - Water storage monitoring must be monitored in accordance with Table C2 - Water storage monitoring. C5 Mine affected water must be monitored at the locations and frequencies defined in Table C2 - Water storage monitoring and Appendix 2 - Location of release points, receiving water monitoring points and water storages. C6 Water contaminated by mining activities must only be released from the locations and release points defined in Tables C2 - Water storage monitoring and C3 - Release point monitoring and water storages shown on Appendix 2 - Location of release points, receiving water monitoring points and water storages. C7 Contaminants must not be released from the mine to any waters or the bed and banks of any waters other than treated/settled stormwater from those release points nominated in Table C3 - Release point monitoring that is in accordance with the contaminant release limits in Tables C4 - Contaminant release limits and Table C5 - Mine affected water release during flow events - Contaminant release limits for total suspended solids.

Permit Environmental Authority EPML00841513 Commodore Coal Mine Table C1 - Receiving water monitoring points Monitoring Description Latitude Longitude Monitoring Monitoring point (MP) (GDA 2020)* (GDA2020)* frequency parameters MP1 Back Creek -27.958308 151.267815 Continuous pH, Total MP2 Upstream 1 suspended solids MP3 (mg/L), electrical Back Creek -27.949399 151.274238 No more than conductivity MP4 Downstream 2 -27.928220 151.266550 24 hours prior (S/cm) and -27.912631 151.269823 to release, at turbidity (NTU) MP5 Back Creek -27.888736 151.275160 Downstream 3 -27.908738 151.265621 least once MP6 every 24 hour Back Creek period during Downstream 1 the release and no more than Back Creek 24 hours after Downstream 4 cessation of a release event. Schwarten Gully MP7 Back Creek -27.910377 151.273498 Downstream 6 * - GDA 2020 (Lat and Long) Geocentric Datum of Australia 2020 which uses GRS80 (an earth centered ellipsoid) and ITRF2014 @ 1 Jan 2020. The difference in the origin of the ANS and GRS80 ellipsoids is approximately 216m at Commodore Mine. The difference between ITRF1992 and ITRF2014 (International Terrestrial Reference Frame) is approximately 1.6m at Commodore Mine. Latitude and Longitude measured in degrees to 6 decimal places approximately equals 0.111m. Table C2 - Water storage monitoring Water storage Latitude Longitude Monitoring Monitoring Parameters1 description (GDA2020) (GDA2020) Frequency Environmental Dam 1 -27.9514199 151.276725 Sedimentation Dam 1 -27.9477622 151.267913 Monthly in storage. pH, Sedimentation Dam 2 -27.9535661 151.2658277 Prior to release. total suspended solids Swan Lake -27.9416116 151.2729409 (mg/L), F Pit - F1B Dam -27.9133821 151.2777204 electrical conductivity (-S/cm) total oil and petroleum hydrocarbons at Environmental Dam 1 A1 Pit - North Dam -27.9122066 151.2664516 1 Monitoring against receiving environment limits is for interpretation only to ensure adequate management of water storages to prevent environmental harm.

Permit Environmental Authority EPML00841513 Commodore Coal Mine Table C3 - Release point monitoring Release Description Latitude Longitude Monitoring Monitoring Receiving Point (GDA2020)2 (GDA2020)2 Frequency Parameters waters (RP)1 pH, total Back RP1 Environmental Dam 1 -27.9517333 151.2760502 suspended Creek solids RP2 Sedimentation Dam 1 -27.9491279 151.27412 (mg/L), electrical RP3 Sedimentation Dam 2 -27.9540426 151.2666223 conductivity (-S/cm) for RP4 Pit A East Daily during a all release release event points and Sediment Trap, Swan -27.9437598 151.2713801 and upon also total oil Lake3 -27.9404325 151.2737704 cessation of and release. petroleum RP5 Pit A North Sediment hydrocarbon s at RP1 Trap, Swan Lake3 RP7 F1B Dam -27.9124825 151.2773646 RP10 North Dam -27.911631 151.269367 1 - Location of release points, receiving water monitoring points and water storages as per Appendix 2 - Location of release points, receiving water monitoring points and water storages. 2 - GDA 2020 (Lat and Long) Geocentric Datum of Australia 2020 which uses GRS80 (an earth-centered ellipsoid) and ITRF2014 @ 1 Jan 2020. The difference in the origin of the ANS and GRS80 ellipsoids is approximately 216m at Commodore Mine. The difference between ITRF1992 and ITRF2014(International Terrestrial Reference Frame) is approximately 1.6m at Commodore Mine. Latitude and Longitude measured in degrees to 6 decimal places approximately equals 0.111m. 3 - Monitoring will cease upon decommissioning of release points due to mining activities. The EA holder must notify the administering authority before release points are decommissioned. The administering authority may approve an amendment by authority to reflect these changes. Table C4 - Contaminant release limits Parameter Units Minimum Maximum 9.0 pH pH units 6.0 1500 10 Electrical Conductivity -S/cm - Oils and petroleum hydrocarbons mg/L -

Permit Environmental Authority EPML00841513 Commodore Coal Mine Table C5 - Mine affected water release during flow events - Contaminant release limits for total suspended solids Receiving Release Gauging Gauging Gauging Receiving Receiving water flow Total Waters/ Points Station criteria for discharge Suspended Stream station station water flow Solids RP1 "High Flow" Release Back Creek RP2 and "Low Latitude Longitude recording Limits RP3 Flow" visual RP4 indicators in (GDA2020)2 (GDA2020)2 frequency 240mg/L1 RP5 Back Creek RP7 at MP1 -27.958308 151.267815 Continuous Low Flow mark - flow RP10 (minimum must be above mark daily3) (m3/s) shown in - Appendix 1 as RL421.445 mAHD in Back Creek High Flow mark - flow 750mg/L must be above base of Rising Stage Sampler shown in- Appendix 1 RL422.531m AHD in Back Creek 1 - Limit applies until 1 May 2016 pending the collection and analysis of Total suspended solids levels from grab samples (a minimum of 18 data-points collected over a period of 12 to 24 months) during low-medium flow. 2 - GDA 2020 (Lat and Long) Geocentric Datum of Australia 2020 which uses GRS80 (an earth-centred ellipsoid) and ITRF2014 @ 1 Jan 2020. The difference in the origin of the ANS and GRS80 ellipsoids is approximately 216m at Commodore Mine. The difference between ITRF1992 and ITRF2014(International Terrestrial Reference Frame) is approximately 1.6m at Commodore Mine. Latitude and Longitude measured in degrees to 6 decimal places approximately equals 0.111m. 3 - If the continuous record is unavailable then at least do a daily record. mAHD - meters above Australian Height Datum C8 Notwithstanding condition C7 the holder of this environmental authority is only authorised to release mine affected water in accordance with Table C5 - Mine affected water release during flow events - Contaminant release limits for Total suspended solids. The release must occur in such a manner that it does not cause environmental harm to the waters of Back Creek. C9 During each flow event flow in Back Creek should be determined in m3/sec located at Monitoring Point 1 (MP1) using the upstream flow meter. C10 The low flow mark and high flow mark referred to in Table C5 - Mine affected water release during flow events - Contaminant release limits for Total suspended solids must be reviewed by 1 May each year to ensure that the dimensions of the flow channel have not significantly changed such that the level of flow at this point in Back Creek had changed. If the flow channel has been subject to change the holder of the environmental authority must ensure the marks are re-surveyed. C11 The holder of this environmental authority must take all reasonable and practicable measures to ensure that the location of Rising Stage Sampler (RSS) and upstream flow meter(s) must be free from immediate disturbance such as grazing and stock watering.

Permit Environmental Authority EPML00841513 Commodore Coal Mine C12 The following must be documented when surface water monitoring is conducted in accordance with conditions of this environmental authority: (a) Flow rate (m3/s) upstream of the release; (b) Date and time; (c) Name of person undertaking sampling; (d) Ambient weather conditions including, temperature, rainfall etc.; (e) Water temperature; and (f) Turbidity (NTU), Total suspended solids (TSS) mg/L levels must be reported against upstream turbidity levels, time and rainfall for the duration of each release to waters. C13 The daily quantity of mine affected water released from each release point must be recorded. C14 Releases to waters must be undertaken so as not to cause erosion of the bed and banks of the receiving waters or cause a material build-up of sediment in such waters. C15 The environmental authority holder must notify the administering authority via WaTERS as soon as practicable and no later than twenty-four (24 hours) after commencing to release mine affected water to the receiving environment. Notification must include the submission of written advice to the administering authority of the following information: (a) release commencement date and time; (b) details regarding the compliance of the release with the conditions of this environmental authority (that is, contaminant limits, natural flow, discharge volume); (c) release point(s); (d) release rate; (e) release salinity; and (f) receiving water(s) including the natural flow rate. C16 The environmental authority holder must notify the administering authority via WaTERS as soon as practicable and nominally no later than twenty-four (24) hours after cessation of a release event under condition C15 and within twenty-eight (28) days provide the following information in writing: (a) release cessation date and time; (b) natural flow rate in receiving water; (c) volume of water released; (d) details regarding the compliance of the release with the conditions of this environmental authority (i.e. contaminant limits, natural flow, discharge volume); (e) all in-situ water quality monitoring results; and (f) any other matters pertinent to the water release event. Note: Successive or intermittent releases occurring within twenty-four (24) hours of the cessation of any individual release can be considered part of a single release event and do not require individual notification for the purpose of compliance with conditions C15 and C16, provided the relevant details of the release are included within the notification provided in accordance with conditions C15 and C16.

Permit Environmental Authority EPML00841513 Commodore Coal Mine C17 Notification of Release Event Exceedance If the release limits defined in Tables C4 - Contaminant release limits and Table C5 - Mine affected water release during flow events - Contaminant release limits for total suspended solids are exceeded, the holder of the environmental authority must notify the administering authority via WaTERS within twenty-four (24) hours of receiving the results. C18 The environmental authority holder must, within twenty-eight (28) days of a release that is not compliant with the conditions of this environmental authority, provide a report to the administering authority via WaTERS detailing: (a) the reason for the release; (b) the location of the release; (c) the total volume of the release and which (if any) part of this volume was non-compliant; (d) the total duration of the release and which (if any) part of this period was non-compliant; (e) all water quality monitoring results (including all laboratory analyses); (f) identification of any environmental harm as a result of the non-compliance; (g) all calculations; and (h) any other matters pertinent to the water release event. C19 Receiving Environment Monitoring Program (REMP) The environmental authority holder must develop and implement a REMP to monitor, identify and describe any adverse impacts to surface water environmental values, quality and flows due to the authorised mining activity. This must include monitoring the effects of the mine on the receiving environment periodically (under natural flow conditions) and while mine affected water is being discharged from the site.

Permit Environmental Authority EPML00841513 Commodore Coal Mine C20 The REMP must include (in reference to Table C4 - Contaminant release): (a) assess the condition or state of receiving waters, including upstream conditions, spatially within the REMP area, considering background water quality characteristics based on accurate and reliable monitoring data that takes into consideration temporal variation (e.g. seasonality); (b) be designed to facilitate assessment against water quality objectives for the relevant environmental values that need to be protected; (c) include monitoring from background reference sites (e.g. upstream or background) and downstream sites from the release (as a minimum, the locations specified in Table C1 - Receiving water monitoring points); (d) specify the frequency and timing of sampling required in order to reliably assess ambient conditions and to provide sufficient data to derive site specific background reference values in accordance with the Monitoring and Sampling Manual Environmental Protection (Water) Policy 2009 (2018 or a later version). This should include monitoring during periods of natural flow irrespective of mine or other discharges; (e) include monitoring and assessment of dissolved oxygen saturation, temperature and all water quality parameters listed in Table C4 - Contaminant release limits; (f) include, where appropriate, monitoring of metals and metalloids in sediments (in accordance with Australian and New Zealand Guidelines for Fresh and Marine Water Quality (ANZG 2018 or later version), any relevant parts of ANZECC and ARMCANZ 2000; Batley and/or most recent version of AS5667.1: Guidance on Sampling Bottom Sediments); (g) include, where appropriate, monitoring of macroinvertebrates in accordance with the latest version of macroinvertebrates Bioassessment by AUSRIVAS using AUSRIVAS Macroinvertebrate Predictive Modelling; (h) for water quality objectives, environmental values, physio-chemical, biological and habitat indictors apply procedures and/or guidelines including latest version of ANZECC and AMRCANZ 2000, ANZG 2018 guideline and other relevant guideline documents such as Environmental Protection (Water and Wetland Biodiversity) Policy 2019 with scheduled environmental values and water quality objectives and Queensland Water Quality Guidelines; and (i) describe sampling and analysis methods and quality assurance and control; and incorporate stream flow and hydrological information in the interpretations of water quality. C21 Water Management Plan A Water Management Plan must be developed by an appropriately qualified person and implemented for all stages of the authorised mining activities. The water management plan must be submitted to the administering authority for review and within twelve (12) months of the diversion of Back Creek and installation of the levee.

Permit Environmental Authority EPML00841513 Commodore Coal Mine C22 The Water Management Plan required by condition C21 must: (a) provide for effective management of actual and potential environmental impacts resulting from water management associated with the mining activity carried out under the environmental authority; (b) a study for the source of contaminants; (c) a water balance model for the site; (d) a water management system for the site; (e) Erosion and sediment control measures to be implemented; (f) measure to management and prevent saline drainage; (g) measures to manage and prevent acid and metalliferous drainage; (h) contingency procedures for emergency events; and (i) a program for monitoring and review of the effectiveness of the water management plan. C23 A record of and an analysis of the results of the surface water monitoring conducted in accordance with the Water Management Plan, including background water quality monitoring must be kept and forwarded to the administering authority on request. C24 Sediment and erosion control All reasonable and practicable erosion and sediment control measures must be provided and maintained to effectively minimise any likelihood of erosion and release of sediments from the mine (e.g. diversion banks, sediment collection dams and progressive revegetation of disturbed areas). The erosion and sediment control measures must be maintained during mining operations, decommissioning and post mining. C25 An Erosion and Sediment Control Plan must be developed by an appropriately qualified person and implemented for all stages of the mining activities on the site to minimise erosion and the release of sediment to receiving waters and contamination of stormwater. C26 Temporary interference with waterways Destroying native vegetation, excavating, or placing fill in a watercourse, lake or spring necessary for and associated with mining operations must be undertaken in accordance with a `Riverine Protection Permit' or `Riverine Protection permit exemption requirements (WSS/2013/726, Version 2.01) (or a later version or any successor). Department of Natural Resources and Mines (or its successor) Guideline - Activities in a Watercourse, Lake or Spring associated with Mining Activities. C27 Groundwater Groundwater affected by the mining activities must be monitored for standing water levels and flow rates (if applicable) prior to sampling for water quality parameters at the locations and frequencies defined in Table C6 - Groundwater monitoring locations and frequency and Appendix 3 - Location of groundwater monitoring bores for the parameters defined in Table C7 - Groundwater contaminant trigger levels for bores marked * in Table C6 for bores marked *. Note: GW7, GW12, GW13, and GW14 shall be monitored until made in-operable by mining activities.

Permit Environmental Authority EPML00841513 Commodore Coal Mine Table C6 - Groundwater monitoring locations and frequency Monitoring Latitude Longitude Aquifer Location Monitoring point (GDA2020)** (GDA2020)** frequency CMW101* -27.916689 151.314275 Marburg Sandstone Up-gradient Quarterly - Standing water levels and quality CMW102* -27.938703 151.313700 Marburg Sandstone Up-gradient Quarterly - Standing water levels and quality CMW103A -27.928500 151.33345 Marburg Sandstone Up-gradient Quarterly - Standing water levels CMW103B -27.927600 151.333583 Marburg Sandstone Up-gradient Quarterly - Standing water levels CMW104* -27.916878 151.263542 Marburg Sandstone Down gradient Quarterly - Standing water levels CMW105A -27.922056 151.320825 Marburg Sandstone Up-gradient Quarterly - Standing water levels CMW105B -27.922506 151.320758 Marburg Sandstone Up-gradient Quarterly - Standing water levels GW7* -27.929039 151.284517 Commodore Coal Seam Up-gradient Quarterly - Standing water levels and quality GW10 -27.923908 151.247772 Commodore Coal Seam Down gradient Quarterly - Standing water levels GW11* -27.923936 151.247792 Marburg Sandstone Down gradient Quarterly - Standing water levels GW12* -27.923448 151.2718202 Marburg Sandstone Down gradient Quarterly - Standing water levels GW13* -27.923436 151.271819 Commodore Coal Seam Down gradient Quarterly - Standing water levels and quality GW14* -27.923392 151.271811 Back Creek Alluvium Down gradient Quarterly - Standing water levels GW17* -27.871700 151.314867 Marburg Sandstone Down gradient Quarterly - Standing water levels and quality GW18* -27.871683 151.314983 Walloon Coal Measure Down gradient Quarterly - Standing water levels and quality GW19* -27.905983 151.349883 Marburg Sandstone Up-gradient Quarterly - Standing water levels and quality GW20* -27.906000 151.349717 Walloon Coal Measure Down gradient Quarterly - Standing water levels and quality GW21 -27.888633 151.380800 Marburg Sandstone Up-gradient Quarterly - Standing water levels GW22 -27.957217 151.340200 Marburg Sandstone Up-gradient Quarterly - Standing water levels GW23* -27.907840 151.245878 Commodore Coal Seam Up gradient Quarterly - Standing water levels and quality GW24 -27.962478 151.284933 Marburg Sandstone Up gradient Quarterly - Standing water levels and quality GW25 -27.962476 151.285046 Walloon Coal Measure Up gradient Quarterly - Standing water levels and quality GW26* -27.912853 151.271025 Back Creek Alluvium Down gradient Quarterly - Standing water levels and quality GW27 -27.918363 151.234850 Commodore Coal Seam Up gradient Quarterly - Standing water levels GW28 -27.944008 151.227720 Commodore Coal Seam Up gradient Quarterly - Standing water levels GW29* -27.918271 151.234779 Walloon Coal Measures Down gradient Quarterly - Standing water levels and quality GW30* -27.951207 151.275468 Back Creek Alluvium Down gradient Quarterly - Standing water levels and quality * See below in Table C7. ** GDA 2020 (Lat and Long) Geocentric Datum of Australia 2020 which uses GRS80 (an earth centered ellipsoid) and ITRF2014 @ 1 Jan 2020. The difference in the origin of the ANS and GRS80 ellipsoids is approximately 216m at Commodore Mine. The difference between ITRF1992 and ITRF2014 (International Terrestrial Reference Frame) is approximately 1.6m at Commodore Mine. Latitude and Longitude measured in degrees to 6 decimal places approximately equals 0.111m.

Permit Environmental Authority EPML00841513 Commodore Coal Mine C28 If the groundwater contaminant trigger levels defined in Table C7 - Groundwater contaminant trigger levels for bores in Table C6 marked * are exceeded then the environmental authority holder must complete an investigation into the potential for environmental harm and notify the administering authority via WaTERS within three (3) months of receiving the analysis results. For condition C28, an exceedance is when a limit for any quality characteristic specified in Table C7 - Groundwater contaminant trigger levels for bores in Table C6 marked * for bores in Table C6 - Groundwater monitoring locations and frequency marked with an * is exceeded by Limit A: five consecutive exceedances and Limit B: three consecutive exceedances. C29 For those groundwater bores marked with an * in Table C6 - Groundwater monitoring locations and frequency, groundwater levels must be monitored and groundwater draw down fluctuations in excess of 2m per year, not resulting from the pumping of licensed bores, must be notified within fourteen (14) days to the administering authority via WaTERS following completion of monitoring. C30 The method of water sampling required by this environmental authority must comply with that set Manual.

Permit Environmental Authority EPML00841513 Commodore Coal Mine Table C7 - Groundwater contaminant trigger levels for bores in Table C6 marked * Analyte pH1 EC1 Boron Cadmium Molybdenum Iron (dissolved)1 Nitrate as Selenium Sulphate Major Ions Unit pH scale -S/cm (dissolved)2 (dissolved)1 (dissolved)2 N2 (dissolved)2 (dissolved)1 Total Cyanide1 mg/L mg/L mg/L mg/L mg/L mg/L mg/L mg/L Limit3 Limit A Limit B Limit A Limit B Limit B Limit A Limit B Limit B Limit A Limit B Limit B Limit A Limit B Limit A Limit B Limit A Limit B GW14 0.034 0.69 1.31 2.4 GW75 7.2 - 8.6 6.9 - 8.8 1384 1542 0.94 0.0030 0.0043 0.034 0.47 0.87 2.4 NA 0.005 21.1 24.6 0.0025 0.0025 For 0.0091 0.0381 181.8 186.9 0.0025 interpretation purposes 6.7 - 7.4 6.5 - 7.5 17140 17252 0.94 0.0178 0.0267 0.0025 only GW13 7.4 - 8.3 7.3 - 8.4 1142 1173 0.94 0.0074 0.0082 0.034 0.36 0.66 2.4 NA 0.005 0.5 1.5 0.0025 0.0041 GW17 7.8 - 9.1 7.3 - 9.3 3020 3654 0.94 0.0005 0.0011 0.034 0.72 3.36 2.4 NA 0.005 0.5 9.2 0.0020 0.0040 GW18 7.1 - 7.3 6.9 - 7.7 5360 5680 0.94 0.0007 0.0026 0.034 10.27 28.52 2.4 NA 0.005 18.0 19.9 0.0025 0.0060 GW205 6.8 - 7.6 6.6 - 7.9 7252 7266 0.94 0.0046 0.0057 0.034 4.30 5.88 2.4 NA 0.005 208.0 214.2 0.0025 0.0025 CMW1045 7.1 - 7.4 7.0 - 7.6 5068 5092 0.94 0.0044 0.0064 0.034 0.07 0.22 2.4 NA 0.005 95.8 99.7 0.0025 0.0031 GW11 7.1 - 7.4 7.0 - 7.6 5068 5092 0.94 0.0044 0.0064 0.034 0.07 0.22 2.4 NA 0.005 95.8 99.7 0.0025 0.0031 GW12 7.4 - 7.7 7.3 - 7.9 341 348 0.94 0.0046 0.0055 0.034 0.04 0.20 2.4 NA 0.005 2.8 3.5 0.0023 0.0025 1 Site specific derived trigger. 2 Aquatic Ecosystem Protection criteria unless specified 3 Limit A: Five Consecutive exceedances. Limit B: Three consecutive exceedances 4 NA = Not applicable; Aquatic Ecosystem Protection criteria applied as Limit B only. 5 Interim values pending additional data collection.

Permit Environmental Authority EPML00841513 Commodore Coal Mine C31 Back Creek Diversion Monitoring Program Within twelve (12) months of receiving approval from DNRM&W for the Back Creek low flow channel the environmental authority holder must develop a program to monitor the diversion of Back Creek. The draft monitoring program must be consistent with the DNRM&W license and be submitted to the administering authority for comment at least six (6) weeks prior to commencement of the program. The holder of this environmental authority must have due regard for the comments of the administering authority in finalising the details of the monitoring program. The Back Creek Diversion Monitoring Program must satisfy the following: (a) Developed and carried out by a person possessing appropriate qualifications and experience in aquatic ecological and water quality monitoring, and to be able to competently make recommendations about these matters; (b) Establish and document monitoring points at locations that are consistent with the conditions of the license issued by DRDMW for the low flow channel and are suitable for the monitoring program reviewed by the administering authority. (c) Monitoring in accordance with the accepted Monitoring Program must commence at least five years prior to Back Creek being diverted; (d) In addition to regular condition and trend surveillance monitoring, the monitoring program results should also enable assessment of the establishment of the aquatic and riparian zones in the diverted section of Back Creek; (e) After Back Creek has been diverted and in the event that monitoring results indicate a significant decline in the pre-determined values or ecological condition of Back Creek, or indicates any other significant ecological impact, the monitoring program must include provisions for action to address the actual or potential harm to Back Creek and downstream reaches. C32 Regulated Structures (dams and levees) The consequence category of any structure must be assessed by a suitably qualified and experienced person in accordance with the Manual for assessing consequence categories and (a) prior to the design and construction of the structure; or (b) prior to any change in its purpose or the nature of its stored contents. C33 The consequence assessment report and certification must be prepared for each structure assessed and the report may include a consequence assessment for more than one structure. C34 Certification must be provided by the suitably qualified and experienced person who undertook the assessment, in the form set out in the Manual for assessing consequence categories and hydraulic C35 Assessing Design and Construction of a Regulated Structure All regulated structures must be designed by, and constructed under the supervision of, a suitably qualified and experienced person in accordance with the requirements of the Manual for assessing

Permit Environmental Authority EPML00841513 Commodore Coal Mine C36 Construction of a regulated structure is prohibited unless: (a) the holder has submitted a consequence category assessment report and certification to the administering authority; and (b) certification for the design, design plan and the associated operating procedures has been certified by a suitably qualified and experienced person in compliance with the relevant condition of this authority. C37 Certification must be provided by the suitably qualified and experienced person who oversees the preparation of the design plan in the form set out in the Manual for assessing consequence Register of Regulated Structures. C38 Regulated structures must: (a) be designed and constructed in compliance with the Manual for assessing consequence (b) be designed and constructed with due consideration given to ensuring that the design integrity would not be compromised on account of: (i) floodwaters from entering the regulated dam from any watercourse or drainage line; and (ii) wall failure due to erosion by floodwaters arising from any watercourse or drainage line. (iii) for regulated dams that are dams associated with a failure to contain - seepage: have the floor and sides of the dam designed and constructed to prevent or minimise the passage of the wetting front and any entrained contaminants through either the floor or sides of the dam during the operational life of the dam and for any period of decommissioning and rehabilitation of the dam. C39 Certification by the suitably qualified and experienced person who supervises the construction must be submitted to the administering authority on the completion of construction of the regulated structure, and state that: (a) the 'as constructed' drawings and specifications meet the original intent of the design plan for that regulated structure; and (b) construction of the regulated structure is in accordance with the design plan. C40 Notification of Affected Persons All affected persons must be provided with a copy of the emergency action plan in place for each regulated structure (a) for existing structures that are regulated structures, within ten (10) business days of this condition taking effect; (b) prior to the operation of the new regulated structure; and (c) if the emergency action plan is amended, within five (5) business days of it being amended.

Permit Environmental Authority EPML00841513 Commodore Coal Mine C41 Operation of a Regulated Structure Operation of a regulated structure is prohibited unless the holder has submitted to the administering authority: (a) one paper copy and one electronic copy of the design plan and certification of the `design plan' in accordance with condition C34; (b) a set of `as constructed' drawings and specifications; (c) certification of those `as constructed drawings and specifications' in accordance with condition C39; (d) where the regulated structure is to be managed as part of an integrated containment system for the purpose of sharing the DSA volume across the system, a copy of the certified system design plan; (e) written confirmation that the requirements of this authority relating to the construction of the regulated structure have been met; (f) written confirmation that the holder has entered the details required under this authority, into a Register of Regulated Dams; and (g) there is a current operational plan for the regulated structures. C42 Each regulated structure must be maintained and operated, for the duration of its operational life until decommissioned and rehabilitated, in compliance with the current operational plan and, if applicable, the current design plan and associated certified `as constructed' drawings. C43 Mandatory Reporting Level Conditions C44 to C47 inclusive only apply to Regulated Structures which have not been certified as low consequence category for `failure to contain - overtopping'. C44 The Mandatory Reporting Level (MRL) must be marked on a regulated dam in such a way that during routine inspections of that dam, it is clearly observable. C45 The holder of this environmental authority must, as soon as practicable and within forty-eight (48) hours of becoming aware, notify the administering authority when the level of the contents of a regulated dam reaches the MRL. C46 The holder must, immediately on becoming aware that the MRL has been reached, act to prevent the occurrence of any unauthorised discharge from the regulated dam. C47 The holder must record any changes to the MRL in the Register of Regulated Structures. C48 Design Storage Allowance The holder must assess the performance of each regulated dam or linked containment system over the preceding November to May period based on actual observations of the available storage in each regulated dam or linked containment system taken prior to 1 July of each year. C49 By 1 November of each year, storage capacity must be available in each regulated dam (or network of linked containment systems with a shared DSA volume), to meet the Design Storage Allowance (DSA) volume for the dam (or network of linked containment systems). C50 The holder must, as soon as practicable but within forty-eight (48) hours of becoming aware that the regulated dam (or network of linked containment systems) will not have the available storage to meet the DSA volume on 1 November of any year, notify the administering authority.

Permit Environmental Authority EPML00841513 Commodore Coal Mine C51 The holder must, immediately on becoming aware that a regulated dam (or network of linked containment systems) will not have the available storage to meet the DSA volume on 1 November of any year, act to prevent the occurrence of any unauthorised discharge from the regulated dam or linked containment systems. C52 Annual Inspection Report Each regulated structure must be inspected each calendar year by a suitably qualified and experienced person. C53 At each annual inspection, the condition and adequacy of all components of the regulated structure must be assessed and a suitably qualified and experienced person must prepare an annual inspection report containing details of the assessment and include a recommendations section, with any recommended actions to ensure the integrity of the regulated structure or a positive statement that no recommendations are required. C54 The suitably qualified and experienced person who prepared the annual inspection report must certify the report in accordance with the Manual for assessing consequence categories and C55 The holder must within twenty (20) business days of receipt of the annual inspection report, provide to the administering authority: (a) The recommendations section of the annual inspection report; and (b) If applicable, any actions being taken in response to those recommendations; and (c) If, following receipt of the recommendations and (if applicable) recommended actions, the administering authority requests a copy of the annual inspection report from the holder, provide this to the administering authority within ten (10) business days of receipt of the request. C56 Transfer Arrangements The holder must provide a copy of any reports, documentation and certifications prepared under this authority, including but not limited to any Register of Regulated Structures, consequence assessment, design plan and other supporting documentation, to a new holder on transfer of this authority. C57 Decommissioning and Rehabilitation Regulated structures must not be abandoned but be decommissioned and rehabilitated to achieve compliance with approved PRCP schedule. C58 Register of Regulated Structures A Register of Regulated Structures must be established and maintained by the holder for each regulated dam. C59 The holder of this environmental authority must provisionally enter the required information in the Register of Regulated Dams when a design plan for a regulated dam is submitted to the administering authority. C60 The holder of this environmental authority must make a final entry of the required information in the Register of Regulated Dams once compliance with condition C41 has been achieved. C61 The holder of this environmental authority must ensure that the information contained in the Register of Regulated Dams is current and complete on any given day.

Permit Environmental Authority EPML00841513 Commodore Coal Mine C62 All entries in the Register of Regulated Dams must be approved by the chief executive officer for the holder of this authority, or their delegate, as being accurate and correct. C63 The holder of this environmental authority must, at the same time as providing the annual return, supply to the administering authority a copy of the records contained in the Register of Regulated Dams, in the electronic format required by the administering authority. C64 Transitional Arrangements All existing structures that have not been assessed in accordance with either the Manual or the former Manual for Assessing Hazard Categories and Hydraulic Performance of Dams must be assessed and certified in accordance with the Manual within six (6) months of amendment of the authority adopting this schedule. C65 All existing structures must subsequently comply with the timetable for any further assessments in accordance with the Manual specified in Table C8 - Transitional hydraulic performance requirements for existing structures, depending on the consequence category for each existing structure assessed in the most recent previous certification for that structure. C66 Table C8 - Transitional hydraulic performance requirements for existing structures ceases to apply for a structure once any of the following events has occurred: (a) it has been brought into compliance with the hydraulic performance criteria applicable to the structure under the Manual; or (b) it has been decommissioned; or (c) it has been certified as no longer being assessed as a regulated structure. C67 Certification of the transitional assessment required by conditions C64 and C65 (as applicable) must be provided to the administering authority within six (6) months of amendment of the authority adopting this schedule.

Permit Environmental Authority EPML00841513 Commodore Coal Mine Table C8 - Transitional hydraulic performance requirements for existing structures Transition period required for existing structures to achieve the requirements of the Manual for Assessing Consequence Categories and Hydraulic Performance of Dams Compliance with High consequence Significant Low consequence criteria consequence No transitional conditions >90% and a history of No transition required No transition required apply. Review good compliance consequence assessment performance in last 5 years every 7 years. >70%-90% Within 7 years, unless Within 10 years, unless No transitional conditions otherwise agreed with the otherwise agreed with the apply. Review administering authority, administering authority, consequence assessment based on no history of based on no history of every 7 years. unauthorised releases. unauthorised releases. 50-70% Within 5 years unless Within 7 years unless Review consequence otherwise agreed with the otherwise agreed with the assessment every 7 administering authority, administering authority, years. based on no history of based on no history of unauthorised releases. unauthorised releases. 50% Within 5 years or as per Within 5 years or as per Review consequence compliance requirements compliance requirements assessment every 5 (e.g. TEP timing). (e.g. TEP timing). years. Regulated levee designed Within 5 years unless otherwise agreed with the administering authority. to prevent the ingress of clean flood water <100% compliant* * Levees designed for the diversion of contaminated waters or protection of the structural integrity of a dam are not to be considered as part of this provision. These levees are considered a key design element of the relevant dam and transitional periods should as such align to that relevant compliance criteria and consequence category. C68 Recycled Water The use of recycled water on the mine will be in accordance with the `The Australian Guidelines for Water Recycling: Managing Health and Environmental Risks' (Phase 1) (2006), any guidelines that supersede it, or relevant guidelines to the activity and use. Where the recycled water is to be used for irrigation refer to `Disposal of effluent using irrigation, Technical Guideline' by Environment and Science, Queensland Government (2020). C69 A Recycled Water Risk Management Plan is to be prepared and approved by the administering authority prior to using recycled water on site. Environmental Values are to be addressed for each site-specific use of the recycled water in line with the Technical Guidelines for the requirements of activities with impacts to Environmental Values.

Permit Environmental Authority EPML00841513 Commodore Coal Mine Schedule D: Noise and Vibration Condition Condition number D1 Subject to conditions D2 and D3 noise from mining activities must not cause an environmental nuisance at any sensitive place or commercial place. D2 When requested by the administering authority, noise monitoring must be undertaken within a reasonable and practicable timeframe nominated by the administering authority to investigate any complaint (which is neither frivolous nor vexatious nor based on mistaken belief in the opinion of the authorised officer) of environmental nuisance at any sensitive place or commercial place, and the results must be notified within fourteen (14) days to the administering authority following completion of monitoring. D3 If the environmental authority holder can provide evidence through monitoring that the limits defined in Table D1 - Noise limits for ML50151are not being exceeded, then the holder is not in breach of condition D1. Monitoring and analysis must provide: (a) Determination of LAr, 1hr for noise from mining activities at the sensitive place or commercial place by: (i) Manned monitoring at a noise sensitive place or commercial place by an appropriately qualified person and all noises noted in a log; (ii) Simultaneously with (i), measuring noise from activities at ML50151 at a site between ML50151 and a sensitive or commercial place considered appropriate by the administering authority to determine the `signature' of noise from activities on ML50151; (iii) Narrow band analysis of (i) and (ii) to identify the noise `signature' of the power station and other noise sources; (iv) Removal of the identified noise `signature' of the power station and other noises identified by (i) and (ii) as not emanating from ML50151 from the noise level measured at the sensitive place or commercial place; (b) The level and frequency of occurrence of impulsive or tonal noise; (c) Atmospheric conditions including temperature, wind speed and direction; and (d) Location, date and time of recording. D4 If monitoring indicates exceedance of the limits in Table D1 - Noise limits for ML50151 due to the contribution from ML50151, then the environmental authority holder must: (a) resolve the complaint with the use of appropriate dispute resolution techniques tothe satisfaction of the administering authority; and (b) Implement noise abatement measures so that emissions of noise from the activity do not result in exceedance of the limits in Table D1 - Noise limits for ML50151. D5 The method of measurement and reporting of noise levels must comply with the latest edition of

Permit Environmental Authority EPML00841513 Commodore Coal Mine Table D1 - Noise limits for ML50151 Noise level dB Sensitive place Sundays and public holidays (A) Monday to Saturday measured as: 7am - 6pm 6pm - 10pm 10pm - 7am 7am - 6pm 6pm - 10pm 10pm - 7am LAr,1hr 45 40 35 40 40 35 Noise level dB Commercial place (A) measured as: Monday to Saturday Sundays and public holidays 7am - 6pm 6pm - 10pm 10pm - 7am 7am - 6pm 6pm - 10pm 10pm - 7am LAr,1hr 50 45 40 50 45 40 Note: The method of measurement and reporting of noise levels must comply with the latest editions of the Department of Environment and Science Noise Measurement Manual. Table D2 - Airblast overpressure level - 'Sensitive place or Commercial place' Noise parameter Monday to Friday 9am - 4pm Saturday Sundays and public 9am - 3pm holidays Air blast overpressure level (dB linear peak) 115dB (80th percentile) No blasting permitted Air blast overpressure level (dB linear 120dB (maximum) peak) D6 Vibration Nuisance Subject to conditions D7 and D8 vibration from the mining activity must not cause an environmental nuisance, at any sensitive or commercial place. D7 When requested by the administering authority, vibration monitoring must be undertaken within a reasonable and practicable timeframe nominated by the administering authority to investigate any complaint (which is neither frivolous nor vexatious nor based on mistaken belief in the opinion of the authorised officer) of environmental nuisance at any sensitive or commercial place, and the results must be notified within fourteen (14) days to the administering authority following completion of monitoring. D8 Blasting must be undertaken in accordance with Table D3 - Vibration limits - 'Sensitive place or Commercial place'. Table D3 - Vibration limits - 'Sensitive place or Commercial place' Vibration parameter Monday to Friday 9am - 4pm Sundays and public Saturday 9am - 3 pm holidays Houses and low rise residential buildings and commercial buildings not included 10mm/s No blasting permitted peak particle velocity below Commercial and industrial buildings or 25mm/s structures of reinforced concrete or steel peak particle velocity construction

Permit Environmental Authority EPML00841513 Commodore Coal Mine D9 If the environmental authority holder can provide evidence through monitoring that the limits defined in Table D2 - Airblast overpressure level - 'Sensitive place or Commercial place' and Table D3 - Vibration limits - 'Sensitive place or Commercial place' are not being exceeded then the holder is not in breach of condition D6. Monitoring must include: (a) Location of the blast/s within the mining area (including which bench level); (b) Atmospheric conditions including temperature, % cloud cover, relative humidity and wind speed and direction; (c) Location, date and time of recording; (d) Airblast overpressure levels dB (linear) peaks; and (e) Peak particle velocity (mm/s). D10 If monitoring indicates exceedance of the relevant limits in Table D2 - Airblast overpressure level - 'Sensitive place or Commercial place' or Table D3 - Vibration limits - 'Sensitive place or Commercial place', then the environmental authority holder must: (a) address the complaint including the use of appropriate dispute resolution if required; and (b) immediately implement vibration abatement measures so that vibration from the activity does not result in further environmental nuisance.

Permit Environmental Authority EPML00841513 Commodore Coal Mine Schedule E: Waste Condition Condition number E1 Waste Management Plan A Waste Management Plan must be developed, implemented and reviewed, by an appropriately qualified person(s), for all stages of mining activities and provided to the administering authority for review and comment by 31 May 2020, and at intervals not exceeding three (3) years thereafter. E2 The Waste Management Plan required by condition E1 must include: (a) a description of the mining activities that may generate waste; (b) waste management control strategies such as: (i) the types and amounts of wastes generated by the mining activities. (ii) segregation of the wastes. (iii) storage of the wastes. (iv) disposal of the wastes. (v) transport of the wastes. (vi) monitoring and reporting matters concerning the wastes. (c) the hazardous characteristics of the wastes generated including disposal for hazardous wastes; (d) a program for reusing, recycling or disposing of all wastes; (e) how the waste will be dealt with in accordance with the waste management hierarchy, including a description of the types and amounts of waste that will be dealt with under each of the waste management practices in the waste management hierarchy (that is, avoidance, reuse, recycling, energy recovery and disposal); (f) procedures for identifying and implementing opportunities to minimise the amount of waste generated, promote efficiency in the use of resources and improve the waste management practices employed; (g) procedures for dealing with accidents, spills and other incidents; (h) details of any accredited management system employed, or planned to be employed, to deal with waste; (i) how often the performance of the waste management plan will be assessed; (j) the indicators or other criteria on which the performance of the waste management plan will be assessed; and (k) staff training and induction to the waste management plan. E3 Within twenty (20) business days of receiving comments from the administering authority as per condition E1, the Waste Management Plan must be updated to address the comments, amended to adopt any recommendations and submitted to the administering authority. E4 Mine waste material must be managed in accordance with the Waste Management Plan required by condition E1.

Permit Environmental Authority EPML00841513 Commodore Coal Mine E5 Monitoring of lysimeters/piezometers The following lysimeter or piezometer must be installed within the buried ash. A minimum of four lysimeters or piezometers must be installed at separate locations where ash is buried in-pit. The first in-pit lysimeter or piezometer will be installed during mining years 0 - 7, the second in-pit lysimeter or piezometer will be installed during mining years 7 - 14, the third in-pit lysimeter or piezometer will be installed during mining years 14 - 21, and the fourth in-pit lysimeter or piezometer will be installed during mining years 21 - 30. E6 Should water be identified in the monitoring bores, where the presence is not attributed to bore failure, monitoring should be undertaken in order to monitor leachate on, at least, six monthly intervals. Monitoring shall include basic water content and the water quality parameters of Boron, Molybdenum and Selenium (as mg/L). E7 Coal Combustion Products Storage and Management The holder of this environmental authority may store coal combustion products generated by the burning of coal at the Millmerran Power Station in the ash disposal areas defined in Table E1 - Authorised coal combustion product storage locations and Appendix 4 - Ash disposal areas. E8 Coal combustion products stored in the ash disposal areas defined in Table E1 - Authorised coal combustion product storage locations and Appendix 4 - Ash disposal areas must comply with contaminant limits defined in Table E2 - Maximum Allowable Leaching Contaminant (TCLP) Levels. E9 In addition to meeting the criteria in Table E2 - Maximum Allowable Leaching Contaminant (TCLP) Levels, the coal combustion products must not have any properties or contain any other contaminants at concentrations which may cause environmental harm. E10 Ash transfer Ash deposited and stored in the ash disposal areas identified in Table E1 - Authorised coal combustion product storage locations and Appendix 4 - Ash disposal areas, must be conditioned to approximately 20 per cent moisture content prior to being transferred from the power station site to the Commodore Coal Mine in order to minimise the release of dust emissions. Table E1 - Authorised coal combustion product storage locations Void identification Location All mine voids Refer to Appendix 4 - Ash disposal areas

Permit Environmental Authority EPML00841513 Commodore Coal Mine Table E2 - Maximum Allowable Leaching Contaminant (TCLP) Levels Contaminant Maximum TCLP Value (mg/L) Silver 0.5 Arsenic 0.5 Barium 10 Cadmium 0.05 Chromium 0.5 Copper 10 Nickel 0.5 Lead 0.5 Antimony 0.5 Thallium 0.1 Zinc 50 Selenium 0.1 Mercury 0.01

Permit Environmental Authority EPML00841513 Commodore Coal Mine Schedule F: Land Condition Condition number F1 Contaminant release Contaminants must not be released to land, except as permitted under the conditions of this environmental authority. F2 Progressive Rehabilitation and Closure Plan Land disturbed by mining must be rehabilitated in accordance with the approved Progressive Rehabilitation and Closure Plan (PRCP) schedule for this environmental authority. F3 The holder of this environmental authority must prevent the spread of restricted invasive plants by developing a weed control program and by ensuring that all vehicles and machinery are adequately cleaned before taking the vehicles and machinery out of an area with restricted invasive plants. The weed control program must list all identified weeds and weed control methods. F4 Topsoil must be managed at site according to the following: (a) Prior to any disturbance, strip the topsoil to a minimum depth of 300mm; (b) Place topsoil directly onto areas requiring rehabilitation wherever possible; (c) Topsoil stockpiles are to be established and managed so they do not become sterile, including at least: (i) deep ripping; (ii) ensure successful vegetation cover to manage weeds and erosion for stockpiles >28 days old; (iii) ensure all stockpiles have stable slopes that limits erosion; (iv) all stockpiles must be less than 3m high; (d) Topsoil stockpiles are to be built outside of floodplains; and (e) Stripping, placing of topsoil and topsoil stockpiles are to be managed in accordance with the Erosion and Sediment Control Plan.

Permit Environmental Authority EPML00841513 Commodore Coal Mine Definitions Key terms and/or phrases used in this document are defined in this section. Where a term is not defined, the definition in the Environmental Protection Act 1994, its regulations or environmental protection policies must be used. If a word remains undefined it has its ordinary meaning. "administering authority" is the agency or department that administers the environmental authority provisions under the Environmental Protection Act 1994. "affected person" is someone whose drinking water can potentially be impacted as a result of discharges from a dam or their life or property can be put at risk due to dwellings or workplaces being in the path of a dam break flood. "airblast overpressure" means energy transmitted from the blast site within the atmosphere in the form of pressure waves. The maximum excess pressure in this wave, above ambient pressure is the peak air blast overpressure measured in decibels linear (dB). "annual exceedance probability or AEP" the probability that at least one event in excess of a particular magnitude will occur in any given year. "Annual inspection report" means an assessment prepared by a suitably qualified and experienced person containing details of the assessment against the most recent consequence assessment report and design plan (or system design plan); (a) against recommendations contained in previous annual inspections reports; (b) against recognised dam safety deficiency indicators; (c) for changes in circumstances potentially leading to a change in consequence category; (d) for conformance with the conditions of this authority; (e) for conformance with the `as constructed' drawings; (f) for the adequacy of the available storage in each regulated dam, based on an actual observation or observations taken after 31 May each year but prior to 1 November of that year, of accumulated sediment, state of the containment barrier and the level of liquids in the dam (or network of linked containment systems); (g) for evidence of conformance with the current operational plan. "appropriately qualified person" means a person who has professional qualifications, training, skills or experience relevant to the nominated subject matter and can give authoritative assessment, advice and analysis on performance relating to the subject matter using the relevant protocols, standards, methods or literature. "Assessed or assessment" by a suitably qualified and experienced person in relation to a consequence assessment of a dam, means that a statutory declaration has been made by that person and, when taken together with any attached or appended documents referenced in that declaration, all of the following aspects are addressed and are sufficient to allow an independent audit of the assessment: (a) exactly what has been assessed and the precise nature of that determination; (b) the relevant legislative, regulatory and technical criteria on which the assessment has been based; (c) the relevant data and facts on which the assessment has been based, the source of that material, and the efforts made to obtain all relevant data and facts; and (d) the reasoning on which the assessment has been based using the relevant data and facts, and the relevant criteria.

Permit Environmental Authority EPML00841513 Commodore Coal Mine "Associated works" in relation to a dam, means: (a) operations of any kind and all things constructed, erected or installed for that dam; and (b) any land used for those operations. "authority" means environmental authority (mining activities) under the Environmental Protection Act 1994. "background", with reference to the water schedule means the average of samples taken prior to the commencement of mining from the same waterway that the current sample has been taken. "blasting" means the use of explosive materials to fracture: (a) rock, coal and other minerals for later recovery; or (b) structural components or other items to facilitate removal from a site or for reuse. "Certification" means assessment and approval must be undertaken by a suitably qualified and experienced person in relation to any assessment or documentation required by this Manual, including design plans, `as constructed' drawings and specifications, construction, operation or an annual report regarding regulated structures, undertaken in accordance with the Board of Professional Engineers of Queensland Policy Certification by RPEQs (ID: 1.4 (2A)). "Certifying, certify or certified" have a corresponding meaning as `certification'. "coal combustion products" means fly ash and furnace bottom ash produced from the combustion of coal at the power station sites. "commercial place" means a workplace used as an office or for business or commercial purposes, which is not part of the mining activity and does not include employees' accommodation or public roads. "Construction or constructed" in relation to a dam includes, building a new dam and modifying or lifting an existing dam, but does not include investigations and testing necessary for the purpose of preparing a design plan. "Consequence" in relation to a structure as defined, means the potential for environmental harm resulting from the collapse or failure of the structure to perform its primary purpose of containing, diverting or controlling flowable substances. "Consequence category" means a category, either low, significant or high, into which a dam is assessed as a result of the application of tables and other criteria in the Manual for assessing consequence categories and "Dam" means a land-based structure or a void that contains, diverts or controls flowable substances, and includes any substances that are thereby contained, diverted or controlled by that land-based structure or void and associated works. "Dam crest volume" means the volume of material (liquids and/or solids) that could be within the walls of a dam at any time when the upper level of that material is at the crest level of that dam. That is, the instantaneous maximum volume within the walls, without regard to flows entering or leaving (for example, via spillway). "Design plan" is a document setting out how all identified consequence scenarios are addressed in the planned design and operation of a regulated structure. "Design storage allowance or DSA" means an available volume, estimated in accordance with the Manual for administering authority, must be provided in a dam as at 1 November each year in order to prevent a discharge from that dam to an annual exceedance probability (AEP) specified in that Manual.

"Designer" for the purposes of a regulated dam, means the certifier of the design plan for the regulated dam. "disturbance" of land includes: (a) compacting, removing, covering, exposing or stockpiling of earth (b) removal or destruction of vegetation or topsoil or both to an extent where the land has been made susceptible to erosion (c) carrying out mining within a watercourse, waterway, wetland or lake (d) the submersion of areas by tailings or hazardous contaminant storage and dam/structure walls (e) infrastructure, including any infrastructure (roads, tracks, bridges, culverts, dam/structures, bores, buildings, fixed machinery, hardstand areas, airstrips, helipads etc.) which is to be removed after the mining activity has ceased (f) releasing of contaminants into the soil or underlying geological strata. However, the following areas are not included: (a) areas off lease (e.g. roads or tracks which provide access to the mining lease). (b) disturbance that pre-existed the grant of the tenure. "Emergency action plan" means documentation forming part of the operational plan held by the holder or a nominated responsible officer, that identifies emergency conditions that sets out procedures and actions that will be followed and taken by the dam owner and operating personnel in the event of an emergency. The actions are to minimise the risk and consequences of failure and ensure timely warning to affected persons and the implementation of protection measures. The plan must require dam owners to annually review and update contact information where required. "environmental authority holder" means the holder of this environmental authority. "Existing structure" means a structure that prior to <<insert date when EA is issued with new dam manual conditions>> meets any or both of the following, a structure: (a) with a design that is in accordance with the <date and version> Manual for Assessing Consequence Categories and Hydraulic Performance of Structures and that is considerably in progress; (b) that is under considerable construction or that is constructed. "fly ash" means solid material extracted from the flue gasses of the boilers at the power station sites which are fired with pulverised coal, consisting essentially of the oxides of silicon, aluminium, iron and some calcium of which particle sizes range from less than 1m (micrometre) to 200m and are irregular to spherical in shape. "furnace bottom ash" means the agglomerated particles formed at the bottom of the furnaces at the power station sites. Bottom ash is typically grey to black in colour, is quite angular, and has a porous surface structure. "Hydraulic performance" means the capacity of a regulated dam to contain or safely pass flowable substances based on the design criteria specified for the relevant consequence category in the Manual for assessing "infrastructure" means water storage dams, levees, roads and tracks, buildings and other structures built for the purpose of the mining activity. "LAr 1 hr" means the specific noise level measured as the A-weighted equivalent continuous noise level plus any adjustment for the character of the noise (tonal and/or impulsive) determined over a reference time interval of one hour. "land" in the 'land schedule' of this document means land excluding waters and the atmosphere. "land use" term to describe the selected post mining use of the land in the approved PRCP schedule, which is planned to occur after the cessation of mining operations for land available for rehabilitation. "leachate" means a liquid that has passed through, or emerged from, or is likely to have passed through, or emerged from, a material stored, processed or disposed of at the operational land which contains soluble, suspended or

Permit Environmental Authority EPML00841513 Commodore Coal Mine miscible contaminants likely to have been derived from the said material. "Levee" means an embankment that only provides for the containment and diversion of stormwater or flood flows from a contributing catchment, or containment and diversion of flowable materials resulting from releases from other works, during the progress of those stormwater or flood flows or those releases; and does not store any significant volume of water or flowable substances at any other times. "Low consequence dam" means any dam that is not a high or significant consequence category as assessed using "Mandatory reporting level or MRL" means a warning and reporting level determined in accordance with the criteria in the Manual for assessing consequence categories and hydraulic performance of structures "Maximum Allowable Leaching Contaminant (TCLP)" means the test described in the document SW-846 Test Methods for Evaluation of Solid Wastes Physical/Chemical Methods published by the United States Environmental Protection Agency, Revision 5, April 1998 or updated version thereof (e.g. published on www.epa.gov/epaoswer/hazwaste/tesUmain.htm). "mine affected water": a) means the following types of water: i) pit water, tailings dam water, processing plant water; ii) water contaminated by a mining activity which would have been an environmentally relevant activity under Schedule 2 of the Environmental Protection Regulation 2008 if it had not formed part of the mining activity; iii) rainfall runoff which has been in contact with any areas disturbed by mining activities which have not yet been rehabilitated, excluding rainfall runoff discharging through release points associated with erosion and sediment control structures that have been installed in accordance with the standards and requirements of an Erosion and Sediment Control Plan to manage such runoff, provided that this water has not been mixed with pit water, tailings dam water, processing plant water or workshop water; iv) groundwater which has been in contact with any areas disturbed by mining activities which have not yet been rehabilitated; v) groundwater from the mine's dewatering activities; vi) a mix of mine affected water (under any of paragraphs i)-v) and other water. b) does not include surface water runoff which, to the extent that it has been in contact with areas disturbed by mining activities that have not yet been completely rehabilitated, has only been in contact with: i) land that has been rehabilitated to a stable landform and revegetated in accordance with the rehabilitation milestones and criteria in the approved PRCP schedule but only still awaiting maintenance and monitoring of the rehabilitation over a specified period of time to demonstrate rehabilitation success; or ii) land that has partially been rehabilitated and monitoring demonstrates the relevant part of the landform with which the water has been in contact does not cause environmental harm to waters or groundwater, for example: a. monitoring data demonstrating hazardous material adequately contained with the site; b. evidence provided through monitoring that the relevant surface water would have met the water quality parameters for mine affected water release limits in this environmental authority, if those parameters had been applicable to the surface water runoff; or iii) both. "mine waste material" includes, but is not limited to:

Permit Environmental Authority EPML00841513 Commodore Coal Mine - Tailings; - Coal Combustion Products; - Coal Rejects; and - Waste Rock. "minimise" is to reduce to the smallest possible amount or degree. "Modification or modifying" (see definition of `construction'). "NATA" is the National Association of Testing Authorities. "natural flow" means the flow of water through waters caused by nature. "Operational plan" includes: (a) normal operating procedures and rules (including clear documentation and definition of process inputs in the DSA); (b) contingency and emergency action plans including operating procedures designed to avoid and/or minimise environmental impacts including threats to human life resulting from any overtopping or loss of structural integrity of the regulated structure. "peak particle velocity (ppv)" means a measure of ground vibration magnitude which is the maximum rate of change of ground displacement with time, usually measured in millimetres/second (mm/s). "power station sites" means Millmerran Power Station, Moffatt Reserve Rocky Creek Road, Grays Gate QLD 4357. "protected area" means - a protected area under the Nature Conservation Act 1992; or - a marine park under the Marine Parks Act 1992; or - a World Heritage Area. "PRCP schedule" means Progressive Rehabilitation and Closure Plan (PRCP) schedule defined and approved according to the EP Act. "receiving environment" in relation to an activity that causes or may cause environmental harm, means the part of the environment to which the harm is, or may be, caused. The receiving environment includes (but is not limited to): (a) a watercourse (b) groundwater "receiving waters" means the waters into which this environmental authority authorises releases of mine affected water. "Register of Regulated Structures" includes: (a) Date of entry in the register; (b) Name of the structure, its purpose and intended/actual contents; (c) The consequence category of the dam as assessed using the Manual for assessing consequence (d) Dates, names, and reference for the design plan plus dates, names, and reference numbers of all document(s) lodged as part of a design plan for the dam; (e) Name and qualifications of the suitably qualified and experienced person who certified the design plan and 'as constructed' drawings; (f) For the regulated dam, other than in relation to any levees - i) The dimensions (metres) and surface area (hectares) of the dam measured at the footprint of the dam;

Permit Environmental Authority EPML00841513 Commodore Coal Mine ii) Coordinates (latitude and longitude in GDA2020) within five metres at any point from the outside of the dam including its storage area iii) Dam crest volume (megalitres); iv) Spillway crest level (metres AHD). v) Maximum operating level (metres AHD); vi) Storage rating table of stored volume versus level (metres AHD); vii) Design storage allowance (megalitres) and associated level of the dam (metres AHD); viii) Mandatory reporting level (metres AHD); (g) The design plan title and reference relevant to the dam; (h) The date construction was certified as compliant with the design plan; (i) The name and details of the suitably qualified and experienced person who certified that the constructed dam was compliant with the design plan; (j) Details of the composition and construction of any liner; (k) The system for the detection of any leakage through the floor and sides of the dam; (l) Dates when the regulated dam underwent an annual inspection for structural and operational adequacy, and to ascertain the available storage volume for 1 November of any year; (m) Dates when recommendations and actions arising from the annual inspection were provided to the administering authority; (n) Dam water quality as obtained from any monitoring required under this authority as at 1 November of each year. "Regulated structure" means any structure in the significant or high consequence category as assessed using the by the administering authority. A regulated structure does not include: (a) a fabricated or manufactured tank or container, designed and constructed to an Australian Standard that deals with strength and structural integrity of that tank or container; (b) a sump or earthen pit used to store residual drilling material and drilling fluid only for the duration of drilling and well completion activities; (c) a flare pit. "rehabilitation" the process of reshaping and revegetating land to restore it to a stable condition and in accordance with the criteria for rehabilitation milestones set out in the approved PRCP schedule and, where relevant, includes remediation of contaminated land. "release event" means a surface water discharge from mine affected water storages or contaminated areas on the licensed place. "representative" means a sample set which covers the variance in monitoring or other data either due to natural changes or operational phases of the mining activities. "Residual drilling material" means waste drilling materials including muds and cuttings or cement returns from well holes and which have been left behind after the drilling fluids are pumped out. "Restricted invasive plants" means those plants identified in fact sheet called `Restricted invasive plants of Queensland' (Department of Agriculture and Fisheries, 2020 or a later version or any successor) under the Biosecurity Act 2014. "revegetation" is the re-establishment of vegetation in accordance with approved PRCP schedule. "sensitive place" means: (a) a dwelling, residential allotment, mobile home or caravan park, residential marina or other residential premises, or

Permit Environmental Authority EPML00841513 Commodore Coal Mine (b) a motel, hotel or hostel, or (c) an educational institution, or (d) a medical centre or hospital, or (e) a protected area under the Nature Conservation Act 1992, the Marine Parks Act 2004 or a World Heritage Area, or (f) a public park or gardens. Note: The definition of `sensitive place' and `commercial place' is based on Schedule 1 of EPP Noise. That is, a sensitive place is inside or outside on a dwelling, library and educational institution, childcare or kindergarten, school or playground, hospital, surgery or other medical institution, commercial and retail activity, protected area or an area identified under a conservation plan under Nature Conservation Act 1992 as a critical habitat or an area of major interest, marine park under Marine Parks Act 2004, park or garden that is outside of the mining lease and open to the public for the use other than for sport or organised entertainment. A commercial place is inside or outside a commercial or retail activity. A mining camp (i.e., accommodation and ancillary facilities for mine employees or contractors or both, associated with the mine the subject of the environmental authority) is not a sensitive place for that mine or mining project, whether or not the mining camp is located within a mining tenement that is part of the mining project the subject of the environmental authority. For example, the mining camp might be located on neighbouring land owned or leased by the same company as one of the holders of the environmental authority for the mining project, or a related company. Accommodation for mine employees or contractors is a sensitive place if the land is held by a mining company or related company, and if occupation is restricted to the employees, contractors and their families for the particular mine or mines which are held by the same company or a related company. For example, a township (occupied by the mine employees, contractors and their families for multiple mines that are held by different companies) would be a sensitive place, even if part or all of the township is constructed on land owned by one or more of the companies. "Spillway" means a weir, channel, conduit, tunnel, gate or other structure designed to permit discharges form the dam, normally under flood conditions or in anticipation of flood conditions. "Stable condition" means land is in a stable condition if: (a) the land is safe and structurally stable; and (b) there is no environmental harm being caused by anything on or in the land; and (c) the land can sustain a post-mining land use. "Structure" means dam or levee. "Suitably qualified and experienced person" in relation to regulated structures means a person who is a Registered Professional Engineer of Queensland (RPEQ) under the provisions of the Professional Engineers Act 2002, and has demonstrated competency and relevant experience: (a) regulated dams, an RPEQ who is a civil engineer with the required qualifications in dam safety and dam design (b) for regulated levees, an RPEQ who is a civil engineer with the required qualifications in the design of flood protection embankments. Note: It is permissible that a suitably qualified and experienced person obtain subsidiary certification from an RPEQ who has demonstrated competence and relevant experience in either geomechanics, hydraulic design or engineering hydrology. "the Act" means the Environmental Protection Act 1994. "S/cm" means micro siemens per centimetre. "Watercourse" has the meaning in Schedule 4 of the Environmental Protection Act 1994 and means:

Permit Environmental Authority EPML00841513 Commodore Coal Mine (a) a river, creek or stream in which water flows permanently or intermittently-- i) in a natural channel, whether artificially improved or not; or ii) in an artificial channel that has changed the course of the watercourse. (b) Watercourse includes the bed and banks and any other element of a river, creek or stream confining or containing water. "Waters" includes all or any part of a river, stream, lake, lagoon, pond, swamp, wetland, unconfined surface water, unconfined water in natural or artificial watercourses, bed and banks of a watercourse, dams, non-tidal or tidal waters (including the sea), stormwater channel, stormwater drain, roadside gutter, stormwater run-off, and groundwater. "WaTERS" means the Water Tracking and Electronic Reporting System.

Permit Environmental Authority EPML00841513 Commodore Coal Mine Attachments Appendix 1 - "High Flow" (RL 422.531 mAHD) and "Low Flow" (RL 421.445 mAHD) visual indicators in Back Creek at MP1

Permit Environmental Authority EPML00841513 Commodore Coal Mine Appendix 2 - Location of release points, receiving water monitoring points and water storages

Permit Environmental Authority EPML00841513 Commodore Coal Mine Appendix 3- Location of groundwater monitoring bores (refer to Table C6 to determine the aquifer each bore has been completed in)

Permit Environmental Authority EPML00841513 Commodore Coal Mine Appendix 4 - Ash disposal areas

Permit Environmental Authority EPML00841513 Commodore Coal Mine Appendix 5 - Authorised disturbance area END OF ENVIRONMENTAL AUTHORITY