EPML00651713 · QMCH PTY LTD

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 10 business days of completion of the investigation, or no later than 10 business days after the end of the timeframe nominated by the administering authority to undertake the investigation.

Third-party reporting The holder of this environmental authority must: a) within 1 year of the commencement of this environmental authority, obtain from an appropriately qualified person a report on compliance with the conditions of this environmental authority b) obtain further such reports at regular intervals, not exceeding 3 yearly intervals, from the completion of the report referred to above; and C) provide each report to the administering authority within 90 days of its completion.

Where a condition of this environmental authority requires compliance with a standard, policy or guideline published externally to this environmental authority and the standard is amended or changed subsequent to the issue of this environmental authority, the holder of this environmental authority must: a) comply with the amended or changed standard, policy or guideline within 2 years of the amendment or change being made, unless a different period is specified in the amended standard or relevant legislation, b) until compliance with the amended or changed standard, policy or guideline is achieved, continue to remain in compliance with the corresponding provision that was current immediately prior to the relevant amendment or change. es. | Permit Environmental authority EPML00651713 Schedule B - Air Condition number 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 or commercial 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 or commercial place, and the results must be notified within 14 days to the administering authority following completion of monitoring. B2 If the environmental authority holder can provide evidence through monitoring that the following limits are not being exceeded then the holder is not in breach of condition B1: a) Insoluble solids of 4 grams per square metre per month, when monitored in accordance with the most recent version of Australian Standard AS3580.10.1 Methods for sampling and analysis of ambient air—Determination of particulate matter—Deposited matter — Gravimetric method. b) A concentration of particulate matter with an aerodynamic diameter of less than 10 micrometres (PM10) suspended in the atmosphere of 50 micrograms per cubic metre over a 24-hour averaging time, for no more than 5 exceedances recorded each year, when monitored in accordance with the most recent version of either: 1. 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 2. Australian Standard AS3580.9.9 Methods for sampling and analysis of ambient air— Determination of suspended particulate matter—PM10 low volume sampler—Gravimetric method.

-22.91629602 150.22028 24.2

-22.937936 150.27676 26.61

-22.95774696 150.26703 32.10

-23.10353198 150.32155 16.81

-23.08510697 150.29319 21.6 YMi2 -23.06915201 150.3337 17.63

-23.05786796 150.318492 18.4 17.52

-23.04620697 150.33206 Compliance Bores -22.87086401 150.1772 20.21 6-monthly -22.88438302 150.17766 24.4 -22.89749701 150.17794 24.45 M1 M2 M3 -22.90443404 150.19012 22.89 M6 M7 Ce -22.89229402 150.19174 22.38 -22.88045199 150.19332 20.43 -22.87374596 150.19137 20.37

-22.86460198 150.19351 20.4

-22.86584199 150.20441 20.2

-22.91333101 150.23384 24.3

-22.938137 150.27425 25.89

-22.93686898 150.25382 at

-23.08616803 150.30115 p39

-23.07958103 150.30565 pest YmMg -23.07928598 150.32318 ps2 1. Monitoring is not required where a bore has been removed as a direct result of the mining activity. 2. RL must be measured to the nearest 5cm from the top of the bore casing. Permit Environmental authority EPML00651713 Table E3 — Groundwater quality triggers and limits Parameter Contaminant triggers Contaminant limit | Electrical conductivity (uS/cm) 6,000 | PH (pH units) 6.0 -9.5 | Exceedance Investigation If quality characteristics of groundwater from compliance bores identified in Table E2 - Groundwater monitoring locations and frequency exceed any of the contaminant trigger levels stated in Table E3 - Groundwater quality triggers and limits, the holder of this environmental authority must compare the compliance monitoring bore results to the reference bore results and complete an investigation in accordance with the ANZECC and ARMCANZ 2000. monitoring locations and frequency, must not exceed any of the contaminant limits defined in Table E3 - Groundwater quality triggers and limits. Bore construction and maintenance and decommissioning Results of monitoring of groundwater from compliance bores identified in Table E2 - Groundwater | The construction, maintenance and management of groundwater bores (including groundwater monitoring bores) must be undertaken in a manner that prevents or minimises impacts to the environment and ensures the integrity of the bores to obtain accurate monitoring. — Permit Environmental authority EPML00651713 Schedule F — Water Condition number Contaminant release 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. Unless otherwise permitted under the conditions of this environmental authority, the release of mine affected water to waters must only occur from the release points specified in Table F1 - Mine

The release of mine affected water to waters in accordance with condition F2 must not exceed the release limits stated in Table F2 - Mine affected water release limits when measured at the monitoring points specified in Table F1 - Mine affected water release points, sources and receiving waters for each quality characteristic. Permit Environmental authority EPML00651713 Table F2 — Mine affected water release limits Quality Characteristic Release Limits Monitoring frequency Electrical conductivity (uS/cm) 2,500 — RP8& Daily during release (the first sample must | 2,600 — RP1, RP2, RP3 be taken within 2 hours of commencement 3,500 — RP4, RP5, RP6, RP7 of release) PH (pH Unit) 6.5 (minimum) Daily during release (the first sample must | 9.5 (maximum) be taken within 2 hours of commencement of release) FS | The release of mine affected water to waters from the release points must be monitored at the locations specified in Table F1 - Mine affected water release points, sources and receiving waters for each quality characteristic and at the frequency specified in Table F2 - Mine affected water release limits. Note: the administering authority will take into consideration any extenuating circumstances prior to determining an appropriate enforcement response in the event condition F5 is contravened due to a temporary lack of safe or practical access. The administering authority expects the environmental authority holder to take all reasonable and practicable measures to maintain safe and practical access to designated monitoring locations. T The daily volume of mine affected water released from each release point must be measured and — 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. F6 recorded. F7 —

Notification of release event | The environmental authority holder must notify the administering authority as soon as practicable and no later than 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/time b) details regarding the compliance of the release with the conditions of Schedule F: Water of this environmental authority (that is, contaminant limits, natural flow, discharge volume) c) release point/s d) release rate e) release salinity. =< Permit Environmental authority EPML00651713 leo The environmental authority holder must notify the administering authority as soon as practicable and nominally no later than 24 hours after cessation of a release event of the cessation of a release notified under Condition F8 and within 28 days provide the following information in writing: a) release cessation date/time b) volume of water released c) details regarding the compliance of the release with the conditions of Schedule F: Water of this environmental authority (i.e. contaminant limits, discharge volume) d) all in-situ water quality monitoring results e) any other matters pertinent to the water release event. Note: Successive or intermittent releases occurring within 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 F8 and FQ, provided the relevant details of the release are included within the notification provided in accordance with conditions F8 and FQ.

Notification of release event exceedance If the release limits defined in Table F2 - Mine affected water release limits are exceeded, the holder of the environmental authority must notify the administering authority within 24 hours of receiving the results.

The environmental authority holder must, within 28 days of a release that is not compliant with the conditions of this environmental authority, provide a report to the administering authority 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 h) any other matters pertinent to the water release event.

Receiving environment monitoring and contaminant trigger levels The quality of the receiving waters must be monitored at the locations specified in Table F4 - Receiving water downstream monitoring points for each quality characteristic and at the monitoring frequency stated in Table F3 - Receiving waters contaminant trigger levels. | Table F3 — Receiving waters contaminant trigger levels Quality Characteristic Trigger Level DH Electrical Conductivi Monitoring Frequency Daily during the release S/cm x Permit Environmental authority EPML00651713 Table F4 — Receiving water downstream monitoring points Monitoring Points Receiving Waters Location Latitude Longitude Description decimal degree, GDA94 decimal degree, GDA94) Downstream Monitoring Points Tilpal Creek 12,600 to 26,000 -22.7858 150.1451 metres downstream of RP1 — RP7 Alligator Creek catchment -23.0700 150.3100 downstream of RP8 If quality characteristics of the receiving water at the downstream monitoring points exceed any of the trigger levels specified in Table F3 - Receiving waters contaminant trigger levels during a release event the environmental authority holder must: a) provide a written report to the administering authority in the next annual return, outlining 1. details of the investigations carried out 2. actions taken to prevent environmental harm. Note: Where an exceedance of a trigger level has occurred and is being investigated, in accordance with this condition, no further reporting is required for subsequent trigger events for that quality characteristic. appropriately qualified person.

Receiving environment monitoring program (REMP) The environmental authority holder must develop and implement a Receiving Environment Monitoring Program (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. For the purposes of the REMP, the receiving environment is the waters of Tilpal Creek and connected or surrounding waterways within 15 kilometres downstream of the release. The REMP should encompass any sensitive receiving waters or environmental values downstream of the authorised mining activity that will potentially be directly affected by an authorised release of mine affected water.

A REMP Design Document that addresses the requirements of the REMP must be prepared and made available to the administrating authority upon request.

A report outlining the findings of the REMP, including all monitoring results and interpretations must be prepared annually and made available on request to the administrating authority. This must include an assessment of background reference water quality, the condition of downstream water quality compared against water quality objectives, and the suitability of current discharge limits to protect downstream environmental values.

All determinations of water quality and biological monitoring must be performed by an |

Water reuse Mine affected water may be piped or trucked or transferred by some other means that does not contravene the conditions of this environmental authority and deposited into artificial water Storage structures, such as farm dams or tanks, or used directly at properties owned by the environmental authority holder or a third party (with the consent of the third party). = Permit Environmental authority EPML00651713 Annual water monitoring reporting The following information must be recorded in relation to all water monitoring required under the conditions of this environmental authority and submitted to the administering authority in the a) the date on which the sample was taken b) the time at which the sample was taken c) the monitoring point at which the sample was taken d) the measured or estimated daily quantity of mine affected water released from all release e) the release flow rate at the time of sampling for each release point f) the results of all monitoring and details of any exceedances of the conditions of this g) water quality monitoring data must be provided to the administering authority in the specified electronic format upon request. 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 Department of Natural Resources and Mines (or its successor) Guideline — Activities in a Watercourse, Lake or Spring associated with Mining Activities. A Water Management Plan must be developed by an appropriately qualified person and Stormwater and water sediment controls 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. Stormwater, other than mine affected water, is permitted to be released to waters from: a) erosion and sediment control structures that are installed and operated in accordance with the Erosion and Sediment Control Plan required by condition F22 b) water management infrastructure that is installed and operated, in accordance with a Water Management Plan that complies with condition F21, for the purpose of ensuring water does not F19 specified format: points environmental authority F20

Water management plan implemented. F22 F23 become mine affected water. Schedule G — Sewage Treatment Condition | Condition number G1 The only contaminant permitted to be released to land is treated sewage effluent in compliance with the release limits stated in Table G1 - Contaminant release limits to land. =f Permit Environmental authority EPML00651713 Table G1 — Contaminant release limits to land Unit Release limit | Limit type Frequency mg/L 20 | Maximum Six Monthly Contaminant 5 day Biochemical oxygen demand (BOD)1 Nitrogen Phosphorus 30 | Maximum 100 | Maximum | | 50 Maximum Organisms/100m| 1000 Maximum pH units 6.0 — 9.0. Range

Treated sewage effluent may only be released to land or water in accordance with the conditions of this approval at the following locations: (a) within the nominated area(s) identified in Figure 5 Sewage treatment plant and effluent disposal (b) other land for the purpose of dust suppression and/or fire fighting (c) to waters at the Clear Water Pond adjacent to the processing plant on ML5868 (KG1). }——

The application of treated effluent to land must be carried out in a manner such that: (a) vegetation is not damaged (b) there is no surface ponding of effluent (c) there is no run-off of effluent.

If areas irrigated with effluent are accessible to employees or the general public, prominent signage must be provided advising that effluent is present and care should be taken to avoid consuming or otherwise coming into unprotected contact with the effluent.

All sewage effluent released to land must be monitored at the frequency and for the parameters | specified in Table G1 - Contaminant release limits to land. The daily volume of effluent release to land must be measured and records kept of the volumes of effluent released. | When circumstances prevent the irrigation or beneficial reuse of treated sewage effluent such as during or following rain events, waters must be directed to a wet weather storage or alternative measures must be taken to store/lawfully dispose of effluent. G8 cy Schedule H — Land and rehabilitation A minimum area of 2,500m* of land, excluding any necessary buffer zones, must be utilised for the irrigation and/or beneficial reuse of treated sewage effluent. Treated sewage effluent must only be supplied to another person or organisation that has a written plan detailing how the user of the treated sewage effluent will comply with their general environmental duty under section 319 of the Act whilst using the treated sewage effluent. Condition | Condition number Land disturbed by mining must be rehabilitated in accordance with Table H1 - Rehabilitation Requirements.

Rehabilitation must commence progressively in accordance with the plan of operations. Permit Environmental authority EPML00651713

Contaminated land Before applying for surrender of a mining lease, the holder must (if applicable) provide to the administering authority a site investigation report under the Act, in relation to any part of the mining lease which has been used for notifiable activities or which the holder is aware is likely to be contaminated land, and also carry out any further work that is required as a result of that report to ensure that the land is suitable for its final land use.

Before applying for progressive rehabilitation certification for an area, the holder must (if applicable) provide to the administering authority a site investigation report under the Act, in relation to any part of the area the subject of the application which has been used for notifiable activities or which the holder is aware is likely to be contaminated land, and also carry out any further work that is required as a result of that report to ensure that the land is suitable for its final land use under condition H1.

Minimise. the potential for contamination of land by hazardous contaminants. Schedule J: Dams Condition | Condition number Assessment of consequence category 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 Hydraulic Performance of Structures (EM635)at the following times: a) prior to the design and construction of the structure, if it not an existing structure; or b) if it is an existing structure, prior to the adoption of this schedule; or c) prior to any change in its purpose or the nature of its stored contents. A consequence assessment report and certification must be prepared for any 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 Performance of Structures (EM635). The holder must take reasonable and practical measures so that each structure associated with the mining activity is designed, constructed, operated and maintained in accordance with accepted engineering standards and is fit for the purpose for which it is intended. END OF CONDITIONS — Permit Environmental authority EPML00651713 Definitions Key terms and/or phrases used in this document are defined in this section. Applicants should note that 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. Words and phrases used throughout this environmental authority are defined below. Where a definition for a term used in this environmental authority is not provided within this environmental authority, but is provided in the EP Act 1994 or subordinate legislation, the definition in the EP Act or subordinate legislation must be used. ‘acid rock drainage’ means any contaminated discharge emanating from a mining activity formed through a series of chemical and biological reactions, when geological strata is disturbed and exposed to oxygen and moisture. ‘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 airblast overpressure measured in decibels linear (dBL). ‘affected person’ is someone whose drinking water can potentially be impacted as a result of discharges from a dam or their life can be put at risk due to dwellings or workplaces being in the path of a dam break flood. ‘annual exceedance probability or AEP’ the probability that at least one event in excess of a particular

of Environment and Heritage Protection Permit’ Environmental Protection Act 1994 Environmental authority EPML00651713 This environmental authority is issued by the administering authority under Chapter 5 of the Environmental Protection Act 1994. Permit' number: EPML00651713 Environmental authority takes effect: 2 May 2014 Anniversary date: 14 March Environmental authority holder(s) QMCH Pty Ltd 246 Boundary Road PARKHURST QLD 4702 QMC (Kunwarara) Pty Ltd 246 Boundary Road PARKHURST QLD 4702 ‘ QMC Refmag Pty Ltd 246 Boundary Road PARKHURST QLD 4702 Environmentally relevant activity and location details Environmentally relevant activity(ies) Location(s) Mining - ML other - 20, Site Specific ML5868 ML5869 ML5870 ML80067 ML80125 ML80152 Additional information for applicants Environmentally relevant activities The description of any environmentally relevant activity (ERA) for which an environmental authority is issued is a restatement of the ERA as defined by legislation at the time the approval is issued. Where there is any inconsistency between that description of an ERA and the conditions stated by an environmental authority as to the scale, intensity or manner of carrying out an ERA, then the conditions prevail to the extent of the inconsistency. ' Permit includes licences, approvals, permits, authorisations, certificates, sanctions or equivalent/similar as required by legislation ——— —<—— —_—_— www.ehp.qid.gov.au ABN 46 640 294 485 ‘ PY Queensland Government

Permit Environmental authority EPML00651 713 An environmental authority authorises the carrying out of an ERA and does not authorise any environmental harm unless a condition stated by the authority 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). Contaminated land It is a requirement of the EP Act that if an owner or occupier of land becomes aware a notifiable activity (as defined in Schedule 3 and Schedule 4) is being carried out on the land, or that the land has been, or is being, contaminated by a hazardous contaminant, the owner or occupier must, within 22 business days after becoming so aware, give written notice to the chief executive. Signature Date Sam Tarlinton Enquiries: Delegate of the administering authority ES Mining — Central Region - Environmental Protection Act 1994 PO Box 413 2/209 Bolsover Street Rockhampton QLD 4700 Phone: (07)4837 3490 Fax: (07)4837 3418 Email: leonie.crane@ehp.qlid.gov.au

Permit Environmental authority EPML00651713 Obligations under the Environmental Protection Act 1994 In addition to the requirements found in the conditions of this environmental authority, 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 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)

Permit Environmental authority EPML00651713 Conditions of environmental authority Condition number A2 A3 A4 AS AG Schedule A - General Ee be ee ee Condition 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. The holder of this environmental authority 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 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 5 years. Financial assurance The activity must not be carried out until the environmental authority holder has given financial assurance to the administering authority as security for compliance with this environmental authority and any costs or expenses, or likely costs or expenses, mentioned in section 298 of the Act. The amount of financial assurance must be reviewed by the holder of this environmental authority when a plan of operations is amended or replaced or the authority is amended. Risk Management The holder of this environmental authority must develop and implement a risk management system for mining activities which mirrors the content requirement of the Standard for Risk Management (1SO31000:2009), or the latest edition of an Australian standard for risk management, to the extent relevant to environmental management, within three months of issue of this environmental authority. cc ccc A7 | with, the conditions of this environmental authority. Notification of emergencies, incidents and exceptions The holder of this environmental authority must notify the administering authority by written notification within 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 A8& Within 10 business days following the initial notification of an emergency or incident, 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 Cc) proposed actions to prevent a recurrence of the emergency or incident.

Permit Environmental authority EPML00651713 AQ Complaints The holder of this environmental authority 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 h) person responsible for resolving the complaint. A10 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 10 business days of completion of the investigation, or no later than 10 business days after the end of the timeframe nominated by the administering authority to undertake the investigation. A11 Third-party reporting The holder of this environmental authority must: a) within 1 year of the commencement of this environmental authority, obtain from an appropriately qualified person a report on compliance with the conditions of this environmental authority b) obtain further such reports at regular intervals, not exceeding 3 yearly intervals, from the completion of the report referred to above; and C) provide each report to the administering authority within 90 days of its completion. A12 Where a condition of this environmental authority requires compliance with a standard, policy or guideline published externally to this environmental authority and the standard is amended or changed subsequent to the issue of this environmental authority, the holder of this environmental authority must: a) comply with the amended or changed standard, policy or guideline within 2 years of the amendment or change being made, unless a different period is specified in the amended standard or relevant legislation, b) until compliance with the amended or changed standard, policy or guideline is achieved, continue to remain in compliance with the corresponding provision that was current immediately prior to the relevant amendment or change. es. |

Permit Environmental authority EPML00651713 Schedule B - Air Condition number 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 or commercial 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 or commercial place, and the results must be notified within 14 days to the administering authority following completion of monitoring. B2 If the environmental authority holder can provide evidence through monitoring that the following limits are not being exceeded then the holder is not in breach of condition B1: a) Insoluble solids of 4 grams per square metre per month, when monitored in accordance with the most recent version of Australian Standard AS3580.10.1 Methods for sampling and analysis of ambient air—Determination of particulate matter—Deposited matter — Gravimetric method. b) A concentration of particulate matter with an aerodynamic diameter of less than 10 micrometres (PM10) suspended in the atmosphere of 50 micrograms per cubic metre over a 24-hour averaging time, for no more than 5 exceedances recorded each year, when monitored in accordance with the most recent version of either: 1. 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 2. 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) immediately implement dust abatement measures so that emissions of dust from the activity do not result in further environmental nuisance.

Permit Environmental authority EPML00651713 Schedule C - Waste management Condition | Condition number Unless otherwise permitted by the conditions of this environmental authority or with prior approval from the administering authority and in accordance with a relevant standard operating procedure, waste must not be burnt. The holder of this environmental authority may burn vegetation cleared in the course of carrying out extraction activities provided the activity does not cause environmental harm at any sensitive place or commercial place. C3 Tailings disposal Tailings must be managed in accordance with procedures contained within the current plan of operations. These procedures must include provisions for: a) containment of tailings b) the control of fugitive emissions to air c) maintaining records of the relative locations of any other waste stored within the tailings d) rehabilitation strategy e) monitoring of rehabilitation, research and/or trials to verify the requirements and methods for decommissioning and final rehabilitation of tailings, including the prevention and management of erosion minimisation and establishment of vegetation cover.

Permit Environmental authority EPML00651713 Schedule D - Noise number he era, number Noise nuisance Noise from the mining activity to which this approval relates must not cause an environmental nuisance at any nuisance sensitive place. Table D1 — Noise limits Noise level Monday to Saturday Sundays and public holidays dB(A) 7am — 6pm 6pm - 10pm 10pm - 7am 9am — 6pm 6pm — 10pm 10pm — 9am measured as [ Noise measured at a ‘Noise sensitive place’ Lato, adj, 10 mins b/gt+5 Noise measured at a ‘Commercial place’ Lato, adj, 10 mins b/g+10 Lat, adj, 10 mins b/g+15 b/g+10 b/g+15 b/g+10 D2 When requested by the administering authority, noise monitoring must be undertaken to investigate any complaint of noise nuisance, and the results within 14 days to the administering authority. Monitoring must include: a) LA 10, adj, 10 mins b) LA 1, adj, 10 mins Cc) the level and frequency of occurrence of impulsive or tonal noise d) . atmospheric conditions including wind speed and direction e) effects due to extraneous factors such as traffic noise and f) location, date and time of recording.

Permit Environmental authority EPML00651713 Schedule E - Groundwater Condition number The holder of this environmental authority is authorised to release contaminants and must comply with the release limits specified in Table E1 — Groundwater release quality. Table E1 - Groundwater release quality Electrical conductivity Release limit 6000 pS/cm pH 6.0 — 9.5 pH units Monitoring and reporting All determinations of groundwater quality and biological monitoring must be performed by an appropriately qualified person. —er | Groundwater quality and levels must be monitored at the locations and frequencies defined in Table — E2 Groundwater monitoring locations and frequency and Figures 1 and 2 Groundwater Bore Monitoring Locations for quality characteristics identified in Table E3 - Groundwater quality triggers and limits.

Permit Environmental authority EPML00651713 Table E2 —- Groundwater monitoring locations and frequency -22.90644502 150.18446 ‘ 6-monthly -22.91299598 150.18356 -22.87451802 150.20649 -22.87078497 150.16737 M13 -22.91629602 150.22028 24.2 WB1 -22.937936 150.27676 26.61 WB5 -22.95774696 150.26703 32.10 YM1 -23.10353198 150.32155 16.81 YM3 -23.08510697 150.29319 21.6 YMi2 -23.06915201 150.3337 17.63 YM13 -23.05786796 150.318492 18.4 17.52 YM17 -23.04620697 150.33206 Compliance Bores -22.87086401 150.1772 20.21 6-monthly -22.88438302 150.17766 24.4 -22.89749701 150.17794 24.45 M1 M2 M3 -22.90443404 150.19012 22.89 M6 M7 Ce -22.89229402 150.19174 22.38 -22.88045199 150.19332 20.43 -22.87374596 150.19137 20.37 M11 -22.86460198 150.19351 20.4 M12 -22.86584199 150.20441 20.2 M14 -22.91333101 150.23384 24.3 WB2 -22.938137 150.27425 25.89 WB9 -22.93686898 150.25382 at YM4 -23.08616803 150.30115 p39 YM8 -23.07958103 150.30565 pest YmMg -23.07928598 150.32318 ps2 1. Monitoring is not required where a bore has been removed as a direct result of the mining activity. 2. RL must be measured to the nearest 5cm from the top of the bore casing.

Permit Environmental authority EPML00651713 Table E3 — Groundwater quality triggers and limits Parameter Contaminant triggers Contaminant limit | Electrical conductivity (uS/cm) 6,000 | PH (pH units) 6.0 -9.5 | Exceedance Investigation If quality characteristics of groundwater from compliance bores identified in Table E2 - Groundwater monitoring locations and frequency exceed any of the contaminant trigger levels stated in Table E3 - Groundwater quality triggers and limits, the holder of this environmental authority must compare the compliance monitoring bore results to the reference bore results and complete an investigation in accordance with the ANZECC and ARMCANZ 2000. monitoring locations and frequency, must not exceed any of the contaminant limits defined in Table E3 - Groundwater quality triggers and limits. Bore construction and maintenance and decommissioning Results of monitoring of groundwater from compliance bores identified in Table E2 - Groundwater | The construction, maintenance and management of groundwater bores (including groundwater monitoring bores) must be undertaken in a manner that prevents or minimises impacts to the environment and ensures the integrity of the bores to obtain accurate monitoring. —

Permit Environmental authority EPML00651713 Schedule F — Water Condition number Contaminant release 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. Unless otherwise permitted under the conditions of this environmental authority, the release of mine affected water to waters must only occur from the release points specified in Table F1 - Mine affected water release points, sources and receiving waters and depicted in Figures 3 and 4 attached to this environmental authority. : The release of mine affected waters to internal water management infrastructure installed and operated in accordance with a water management plan that complies with condition F21 is permitted. Table F1 — Mine affected water release points, sources and receiving waters Latitude (decimal degree, GDA94) Mine Affected Water Source and Location Release Point (RP) Longitude (decimal degree, GDA94) Monitoring Point Receiving waters description RP1 -22.885284 150.188904 Mine pit water and End of pipe Tilpal Creek ML5868 KG1 stormwater adjacent to clear Central Pits water pond discharging into drain RP2 -22.891259 150.189629 Mine pit water and End of pipe Tilpal Creek ML5868 KG1 stormwater discharging from Eastern Pits eastern KG1 pits RP3 -22.866839 150.194414 Mine pit water and End of pipe Tilpal Creek ML80067 KG3 stormwater discharging from KG3 mining area RP4 -22.91648 150.235752 Mine pit water and End of pipe Tilpal Creek ML5870 KG2 stormwater discharging from KG2 mining area canal system RP5 -22.920472 150.235054 Mine pit water and Discharge pipe or Tilpal Creek ML5870 KG2 stormwater channel from within rehabilitation area RP6 ML80125 -22.92988 150.249914 Mine pit water and Overflow spillway Tilpal Creek Oldman South (NW stormwater or pipe sector RP7 ML80125 -22.937819 150.2723 Mine pit water and Overflow spillway Tilpal Creek Oldman South (NE stormwater or pipe sector RP8 ML80152 Overflow spillway Alligator Creek Yaamba stormwater or pipe F4 The release of mine affected water to waters in accordance with condition F2 must not exceed the release limits stated in Table F2 - Mine affected water release limits when measured at the monitoring points specified in Table F1 - Mine affected water release points, sources and receiving waters for each quality characteristic.

Permit Environmental authority EPML00651713 Table F2 — Mine affected water release limits Quality Characteristic Release Limits Monitoring frequency Electrical conductivity (uS/cm) 2,500 — RP8& Daily during release (the first sample must | 2,600 — RP1, RP2, RP3 be taken within 2 hours of commencement 3,500 — RP4, RP5, RP6, RP7 of release) PH (pH Unit) 6.5 (minimum) Daily during release (the first sample must | 9.5 (maximum) be taken within 2 hours of commencement of release) FS | The release of mine affected water to waters from the release points must be monitored at the locations specified in Table F1 - Mine affected water release points, sources and receiving waters for each quality characteristic and at the frequency specified in Table F2 - Mine affected water release limits. Note: the administering authority will take into consideration any extenuating circumstances prior to determining an appropriate enforcement response in the event condition F5 is contravened due to a temporary lack of safe or practical access. The administering authority expects the environmental authority holder to take all reasonable and practicable measures to maintain safe and practical access to designated monitoring locations. T The daily volume of mine affected water released from each release point must be measured and — 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. F6 recorded. F7 — F8 Notification of release event | The environmental authority holder must notify the administering authority as soon as practicable and no later than 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/time b) details regarding the compliance of the release with the conditions of Schedule F: Water of this environmental authority (that is, contaminant limits, natural flow, discharge volume) c) release point/s d) release rate e) release salinity. =<

Permit Environmental authority EPML00651713 leo The environmental authority holder must notify the administering authority as soon as practicable and nominally no later than 24 hours after cessation of a release event of the cessation of a release notified under Condition F8 and within 28 days provide the following information in writing: a) release cessation date/time b) volume of water released c) details regarding the compliance of the release with the conditions of Schedule F: Water of this environmental authority (i.e. contaminant limits, discharge volume) d) all in-situ water quality monitoring results e) any other matters pertinent to the water release event. Note: Successive or intermittent releases occurring within 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 F8 and FQ, provided the relevant details of the release are included within the notification provided in accordance with conditions F8 and FQ. F10 Notification of release event exceedance If the release limits defined in Table F2 - Mine affected water release limits are exceeded, the holder of the environmental authority must notify the administering authority within 24 hours of receiving the results. F11 The environmental authority holder must, within 28 days of a release that is not compliant with the conditions of this environmental authority, provide a report to the administering authority 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 h) any other matters pertinent to the water release event. F12 Receiving environment monitoring and contaminant trigger levels The quality of the receiving waters must be monitored at the locations specified in Table F4 - Receiving water downstream monitoring points for each quality characteristic and at the monitoring frequency stated in Table F3 - Receiving waters contaminant trigger levels. | Table F3 — Receiving waters contaminant trigger levels Quality Characteristic Trigger Level DH Electrical Conductivi Monitoring Frequency Daily during the release S/cm x

Permit Environmental authority EPML00651713 Table F4 — Receiving water downstream monitoring points Monitoring Points Receiving Waters Location Latitude Longitude Description decimal degree, GDA94 decimal degree, GDA94) Downstream Monitoring Points Tilpal Creek 12,600 to 26,000 -22.7858 150.1451 metres downstream of RP1 — RP7 Alligator Creek catchment -23.0700 150.3100 downstream of RP8 If quality characteristics of the receiving water at the downstream monitoring points exceed any of the trigger levels specified in Table F3 - Receiving waters contaminant trigger levels during a release event the environmental authority holder must: a) provide a written report to the administering authority in the next annual return, outlining 1. details of the investigations carried out 2. actions taken to prevent environmental harm. Note: Where an exceedance of a trigger level has occurred and is being investigated, in accordance with this condition, no further reporting is required for subsequent trigger events for that quality characteristic. appropriately qualified person. F15 Receiving environment monitoring program (REMP) The environmental authority holder must develop and implement a Receiving Environment Monitoring Program (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. For the purposes of the REMP, the receiving environment is the waters of Tilpal Creek and connected or surrounding waterways within 15 kilometres downstream of the release. The REMP should encompass any sensitive receiving waters or environmental values downstream of the authorised mining activity that will potentially be directly affected by an authorised release of mine affected water. F16 A REMP Design Document that addresses the requirements of the REMP must be prepared and made available to the administrating authority upon request. F17 A report outlining the findings of the REMP, including all monitoring results and interpretations must be prepared annually and made available on request to the administrating authority. This must include an assessment of background reference water quality, the condition of downstream water quality compared against water quality objectives, and the suitability of current discharge limits to protect downstream environmental values. F14 All determinations of water quality and biological monitoring must be performed by an | F18 Water reuse Mine affected water may be piped or trucked or transferred by some other means that does not contravene the conditions of this environmental authority and deposited into artificial water Storage structures, such as farm dams or tanks, or used directly at properties owned by the environmental authority holder or a third party (with the consent of the third party). =

Permit Environmental authority EPML00651713 Annual water monitoring reporting The following information must be recorded in relation to all water monitoring required under the conditions of this environmental authority and submitted to the administering authority in the a) the date on which the sample was taken b) the time at which the sample was taken c) the monitoring point at which the sample was taken d) the measured or estimated daily quantity of mine affected water released from all release e) the release flow rate at the time of sampling for each release point f) the results of all monitoring and details of any exceedances of the conditions of this g) water quality monitoring data must be provided to the administering authority in the specified electronic format upon request. 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 Department of Natural Resources and Mines (or its successor) Guideline — Activities in a Watercourse, Lake or Spring associated with Mining Activities. A Water Management Plan must be developed by an appropriately qualified person and Stormwater and water sediment controls 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. Stormwater, other than mine affected water, is permitted to be released to waters from: a) erosion and sediment control structures that are installed and operated in accordance with the Erosion and Sediment Control Plan required by condition F22 b) water management infrastructure that is installed and operated, in accordance with a Water Management Plan that complies with condition F21, for the purpose of ensuring water does not F19 specified format: points environmental authority F20 F21 Water management plan implemented. F22 F23 become mine affected water. Schedule G — Sewage Treatment Condition | Condition number G1 The only contaminant permitted to be released to land is treated sewage effluent in compliance with the release limits stated in Table G1 - Contaminant release limits to land. =f

Permit Environmental authority EPML00651713 Table G1 — Contaminant release limits to land Unit Release limit | Limit type Frequency mg/L 20 | Maximum Six Monthly Contaminant 5 day Biochemical oxygen demand (BOD)1 Nitrogen Phosphorus 30 | Maximum 100 | Maximum | | 50 Maximum Organisms/100m| 1000 Maximum pH units 6.0 — 9.0. Range G2 Treated sewage effluent may only be released to land or water in accordance with the conditions of this approval at the following locations: (a) within the nominated area(s) identified in Figure 5 Sewage treatment plant and effluent disposal (b) other land for the purpose of dust suppression and/or fire fighting (c) to waters at the Clear Water Pond adjacent to the processing plant on ML5868 (KG1). }—— G3 The application of treated effluent to land must be carried out in a manner such that: (a) vegetation is not damaged (b) there is no surface ponding of effluent (c) there is no run-off of effluent. G4 If areas irrigated with effluent are accessible to employees or the general public, prominent signage must be provided advising that effluent is present and care should be taken to avoid consuming or otherwise coming into unprotected contact with the effluent. G5 All sewage effluent released to land must be monitored at the frequency and for the parameters | specified in Table G1 - Contaminant release limits to land. The daily volume of effluent release to land must be measured and records kept of the volumes of effluent released. | When circumstances prevent the irrigation or beneficial reuse of treated sewage effluent such as during or following rain events, waters must be directed to a wet weather storage or alternative measures must be taken to store/lawfully dispose of effluent. G8 cy Schedule H — Land and rehabilitation A minimum area of 2,500m* of land, excluding any necessary buffer zones, must be utilised for the irrigation and/or beneficial reuse of treated sewage effluent. Treated sewage effluent must only be supplied to another person or organisation that has a written plan detailing how the user of the treated sewage effluent will comply with their general environmental duty under section 319 of the Act whilst using the treated sewage effluent. Condition | Condition number Land disturbed by mining must be rehabilitated in accordance with Table H1 - Rehabilitation Requirements. H2 Rehabilitation must commence progressively in accordance with the plan of operations.

Permit Environmental authority EPML00651713 H3 Contaminated land Before applying for surrender of a mining lease, the holder must (if applicable) provide to the administering authority a site investigation report under the Act, in relation to any part of the mining lease which has been used for notifiable activities or which the holder is aware is likely to be contaminated land, and also carry out any further work that is required as a result of that report to ensure that the land is suitable for its final land use. H4 Before applying for progressive rehabilitation certification for an area, the holder must (if applicable) provide to the administering authority a site investigation report under the Act, in relation to any part of the area the subject of the application which has been used for notifiable activities or which the holder is aware is likely to be contaminated land, and also carry out any further work that is required as a result of that report to ensure that the land is suitable for its final land use under condition H1. H5 Minimise. the potential for contamination of land by hazardous contaminants. Schedule J: Dams Condition | Condition number Assessment of consequence category 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 Hydraulic Performance of Structures (EM635)at the following times: a) prior to the design and construction of the structure, if it not an existing structure; or b) if it is an existing structure, prior to the adoption of this schedule; or c) prior to any change in its purpose or the nature of its stored contents. A consequence assessment report and certification must be prepared for any 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 Performance of Structures (EM635). The holder must take reasonable and practical measures so that each structure associated with the mining activity is designed, constructed, operated and maintained in accordance with accepted engineering standards and is fit for the purpose for which it is intended. END OF CONDITIONS —

Permit Environmental authority EPML00651713 Definitions Key terms and/or phrases used in this document are defined in this section. Applicants should note that 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. Words and phrases used throughout this environmental authority are defined below. Where a definition for a term used in this environmental authority is not provided within this environmental authority, but is provided in the EP Act 1994 or subordinate legislation, the definition in the EP Act or subordinate legislation must be used. ‘acid rock drainage’ means any contaminated discharge emanating from a mining activity formed through a series of chemical and biological reactions, when geological strata is disturbed and exposed to oxygen and moisture. ‘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 airblast overpressure measured in decibels linear (dBL). ‘affected person’ is someone whose drinking water can potentially be impacted as a result of discharges from a dam or their life can be put at risk due to dwellings or workplaces being in the path of a dam break flood. ‘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 and assessment’ by a suitably qualified and experienced person in relation to a consequence assessment of a dam, means that 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. ‘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 an environmental authority.

Permit Environmental authority EPMLO00651713 ‘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. ‘certifying, certify or certified’ have a corresponding meaning as ‘certification’. ‘chemical’ means: a) an agricultural chemical product or veterinary chemical product within the meaning of the Agricultural and Veterinary Chemicals Code Act 1994 (Commonwealth); or b) a dangerous good under the Australian Code for the Transport of Dangerous Goods by Road and Rail approved by the Australian Transport Council; or c) alead hazardous substance within the meaning of the Workplace Health and Safety Regulation 1997; d) a drug or poison in the Standard for the Uniform Scheduling of Drugs and Poisons prepared by the Australian Health Ministers’ Advisory Council and published by the Commonwealth; or e) any substance used as, or intended for use as: (i) a pesticide, insecticide, fungicide, herbicide, rodenticide, nematocide, miticide, fumigant or related product; or (ii) a surface active agent, including, for example, soap or related detergent; or (iii) a paint solvent, pigment, dye, printing ink, industrial polish, adhesive, sealant, food additive, bleach, sanitiser, disinfectant, or biocide; or (iv) a fertiliser for agricultural, horticultural or garden use; or (v) a substance used for, or intended for use for mineral processing or treatment of metal, pulp and paper, textile, timber, water or wastewater; or (vi) manufacture of plastic or synthetic rubber. ‘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. ‘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 Hydraulic Performance of Structures (EM635). ‘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.

Permit Environmental authority EPML00651713 ‘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 (eg 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 Assessing Consequence Categories and Hydraulic Performance of Structures (EM635) published by the 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) temporary 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; or f) releasing of contaminants into the soil, or underlying geological strata. However, the following areas are not included when calculating areas of ‘disturbance’: a) areas off lease (e.g. roads or tracks which provide access to the mining lease); b) areas previously disturbed which have achieved the rehabilitation outcomes; c) by agreement with the administering authority, areas previously disturbed which have not achieved the rehabilitation objective(s) due to circumstances beyond the control of the mine operator (such as climatic conditions); d) areas under permanent infrastructure. Permanent infrastructure includes any infrastructure (roads, tracks, bridges, culverts, dam/structures, bores, buildings, fixed machinery, hardstand areas, airstrips, helipads etc) which is to be left by agreement with the landowner. e) disturbance that pre-existed the grant of the tenure. ‘EC’ means electrical conductivity. ‘effluent’ treated waste water released from sewage treatment plants. ‘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 downstream communities and the implementation of protection measures. The plan must require dam owners to annually update contact details. =

Permit Environmental authority EPML00651713 ‘existing structure’ means a structure that was in existence prior to the adoption of this schedule of conditions under the authority. ‘extreme storm storage’ means a storm storage allowance determined in accordance with the criteria in the Manual for Assessing Consequence Categories and Hydraulic Performance of Structures (EM635) published by the administering authority. ‘flowable substance’ means matter or a mixture of materials which can flow under any conditions potentially affecting that substance. Constituents of a flowable substance can include water, other liquids, fluids or solids, or a mixture that includes water and any other liquids, fluids or solids either in solution or suspension. ‘hazard’ in relation to a dam as defined, means the potential for environmental harm resulting from the collapse or failure of the dam to perform its primary purpose of containing, diverting or controlling flowable substances. ‘hazard 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 Hazard Categories and Hydraulic Performance of Dams (EM635). ‘holder’ means any person who is the holder of, or is acting under, that environmental authority. ‘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 Consequence Categories and Hydraulic Performance of Structures (EM635). ‘infrastructure’ means water storage dams, levees, roads and tracks, buildings and other structures built for the purpose of the mining activity. ‘land’ in the ‘land schedule’ of this document means land excluding waters and the atmosphere, that is, the term has a different meaning from the term as defined in the Environmental Protection Act 1994. For the purposes of the Acts Interpretation Act 1954, it is expressly noted that the term ‘land’ in this environmental authority relates to physical land and not to interests in land. ‘land use’ —means the selected post mining use of the land, which is planned to occur after the cessation of mining operations. ‘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 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 the Manual for Assessing Consequence Categories and Hydraulic Performance of Structures (EM635). ‘low hazard dam’ means any dam that is not a high or significant hazard category as assessed using the Manual for Assessing Consequence Categories and Hydraulic Performance of Structures (EM635). ‘m’ means metres. ‘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 (EM635) published by the administering authority. —*

Permit Environmental authority EPML00651713 ‘manual’ means the Manual for Assessing Consequence Categories and Hydraulic Performance of Structures (EM635) published by the administering authority. ‘mine affected water’: a) means the following types of water: i) pit water, tailings dam water, processing plant water; li) 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 either capped or revegetated in accordance with the acceptance criteria set out in the environmental authority 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. areas that are been capped and have 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. ‘measures’ includes any measures to prevent or minimise environmental impacts of the mining activity such as bunds, silt fences, diversion drains, capping, and containment systems. ‘modification or modifying’ see definition of ‘construction’. ‘NATA’ means National Association of Testing Authorities, Australia. ‘natural flow’ means the flow of water through waters caused by nature. ‘non-polluting’ means having no adverse impacts upon the receiving environment. ‘operational plan’ includes: a) normal operating procedures and rules (including clear documentation and definition of process inputs in the DSA allowance); 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). ‘protected area’ means — a protected area under the Nature Conservation Act 1992: or a) a marine park under the Marine Parks Act 1992: or

Permit Environmental authority EPML00651713 b) a World Heritage Area. ‘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; and c) an area of land that is not specified in this environmental authority. The term does not include land that is specified in this environmental authority. ‘receiving waters’ means the waters into which this environmental authority authorises releases of mine affected water. ‘register of regulated dams’ includes: a) date of entry in the register; b) name of the dam, its purpose and intended/actual contents; c) the consequence category of the dam as assessed using the Manual for Assessing Hazard Categories and Hydraulic Performance of Dams (EM635); 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; ii) coordinates (latitude and longitude in GDA94) within 5 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; |) 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; 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. 2 ‘regulated dam’ means any dam in the significant or high consequence category as assessed using the Manual for Assessing Consequence Categories and Hydraulic Performance of Structures (EM635) published by the administering authority. ‘regulated structure’ includes land-based containment structures, levees, bunds and voids, but not a tank or container designed and constructed to an Australian Standard that deals with strength and structural integrity. ‘rehabilitation’ the process of reshaping and revegetating land to restore it to a stable landform ‘release event’ means a surface water discharge from mine affected water storages or contaminated areas on the licensed place.

Permit Environmental authority EPML00651713 ‘RL’ means reduced level, relative to mean sea level as distinct from depths to water. ‘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. ‘saline drainage’ The movement of waters, contaminated with salts, as a result of the mining activity. ‘sensitive place’ means: a) a dwelling, residential allotment, mobile home or caravan park, residential marina or other residential premises; or 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 1992 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 & educational institution, childcare or kindergarten, school or playground, hospital, surgery or other medical institution, commercial & 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 arelated 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 from the dam, normally under flood conditions or in anticipation of flood conditions. ‘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: e for regulated dams, an RPEQ who is a civil engineer with the required qualifications in dam safety and dam design. e 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.

Permit Environmental authority EPML00651713 ‘system design plan’ means a plan that manages an integrated containment system that shares the required DSA and/or ESS volume across the integrated containment system. ‘the Act’ means the Environmental Protection Act 1994. ‘uS/cm’ means micro siemens per centimetre. ‘void’ means any constructed, open excavation in the ground. ‘watercourse’ has the meaning in Schedule 4 of the Environmental Protection Act 1994 and means a river, creek or stream in which water flows permanently or intermittently — a) inanatural channel, whether artificially improved or not; or b) in an artificial channel that has changed the course of the watercourse. Watercourse includes the bed and banks and any other element of a river, creek or stream confining or containing water. ‘water quality’ means the chemical, physical and biological condition of 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 any watercourse, dams, non-tidal or tidal waters (including the sea), stormwater channel, stormwater drain, roadside gutter, stormwater run-off and groundwater. ‘water year’ means the 12-month period from 1 July to 30 June. ‘wet season’ means the time of year, covering one or months, when most of the average annual rainfall in a ‘region occurs. For the purposes of DSA determination this time of year is deemed to extend from 1 November in one year to 31 May in the following year inclusive. END OF DEFINITIONS Se

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Permit Environmental authority EPML00651713 Figure 1 — Groundwater bore monitoring locations (compliance and reference bores) Groundwater Monitoring Points e = bores KG1, KG2, KG3, OMS Compliance bores GDA S4/MGA Zone 56 Mining Leases Date: March 2014

Permit Environmental authority EPML00651713 Figure 2 - Groundwater bore monitoring locations (compliance and reference bores Yaamba) pea Se eee 4 { = er Groundwater Monitoring Points Yaamba 0 1000 2000 3000m —

Permit Environmental authority EPML00651713 Figure 3 — Release points Kunwarara GDA 94/MGA Zone S6 Date: March 2014 0 1000 2000 3000 m pow] ae

Permit Environmental authority EPML00651713 Figure 4 — Release points Yaamba ML80152 Release Points B Yaamba GDA 94/MGA Zone 56 0 1000 §=2000 —-3000m — —o

Permit Environmental authority EPML00651713 Figure 5 — Sewage treatment plant and effluent disposal Treatment Plant Discharge Points oO 1000 2000 301m KG1, KG2, OMS Miniig Leases STP Discharge Points| | Go SNMGA Zone 55 END OF ENVIRONMENTAL AUTHORITY