P-EA-100832203 · CARNABY RESOURCES LIMITED

(Contaminant Release Points) for all parameters listed in Schedule C - Table C2 (Release Water Contaminant Trigger Levels and Limits) and at the following frequencies during release events or flow events: OFFICIAL Permit Environmental authority P-EA-100832203 - One sample must be taken within twelve (12) hours of any release event or flow event commencing. A second sample must be taken between twelve (12) and twenty-four (24) hours following the commencement of a release event or flow event. - Where a release event or a flow event has a duration of twenty-four (24) hours or greater, samples must be taken daily for one week, and once a week thereafter until the release or flow event ceases. Note: The requirement to continue sampling release or flow events with a duration of twenty-four (24) hours or greater is only required if there is an exceedence at the release point of a release water contaminant trigger level or limit listed in Schedule C - Table C2 (Release Water Contaminant Trigger Levels and Limits). Schedule C - Table C1 (Contaminant Release Points) Release Description of Description Description of Co-ordinates Point Waste Water of Source Receiving (MGA94, Z54) Release Waters Northing Easting Trekelano Overflow of Runoff from Dermer Creek 7623486 385979 Environmental dam WRD Dam 1 Schedule C - Table C2 (Release Water Contaminant Trigger Levels and Limits) Quality Trigger Levels (-g/L Contaminant Limit (mg/L unless otherwise Characteristic unless otherwise specified) specified) 6.09 (minimum) pH (pH units) 6.03 (minimum) 7.53 (maximum) 9.015 (maximum) EC (-S/cm) 43510 10009 Sulphate (SO42- 80th percentile1,2,5 of 10006 ) (mg/L) reference4 Suspended For interpretation purposes Solids (mg/L) Aluminium For interpretation purposes. Results to be included in any investigation of an exceedance of the trigger levels for pH in accordance with condition C2-5. Arsenic13 80th percentile1,2,5 of reference4 or 133 as 0.1414 as dissolved metals

(Stream Sediment Trigger Levels and Contaminant Limits), the Authority holder must compare the results of the downstream site to the data from reference monitoring sites and: (a) If the level of contaminants at the downstream site does not exceed the reference monitoring site data, then no action is to be taken; or, (b) If the level of contaminants at the downstream site is greater than the reference monitoring site data, complete an investigation in accordance with the ANZECC (2000) guidelines methodology, into the potential for environmental harm and provide a written report to the administering authority within three (3) months, outlining: (i) Details of the investigations carried out; and, (ii) Actions taken to prevent environmental harm. Note: Where an exceedence of a trigger level has occurred and is being investigated, in accordance with requirement (b) of this condition, no further reporting is required for subsequent trigger events for that quality characteristic within the three month investigation period. C6-3 Sediment contaminant levels must not exceed the sediment contaminant limits stated in Schedule C - Table C6 (Stream Sediment Trigger Levels and Contaminant Limits). C6-4 If an exceedence in accordance with condition (C6-3) is identified, the Authority holder must notify the administering authority within seven (7) days of receiving the result. Schedule C - Table C6 (Stream Sediment Trigger Levels and Contaminant Limits) OFFICIAL Permit Environmental authority P-EA-100832203 Parameter Unit Trigger Level Contaminant Limit Arsenic mg/kg Reference value2 or 203, 701 or twice the reference value2, whichever is higher whichever is higher Cadmium mg/kg Reference value2 or 1.53, 101 or three times the reference value2, whichever is higher whichever is higher Cobalt mg/kg Reference value2 Three times the reference value2 Copper mg/kg Reference value2 or 653, 2701 or three times the reference value2, whichever is higher whichever is higher Lead4 mg/kg Reference value2 or 503, 2201 or three times the reference value2, whichever is higher whichever is higher Molybdenum4 mg/kg Reference value2 Three times the reference value2 Nickel mg/kg Reference value2 or 213, 521 or three times the reference value2, Rhenium4 whichever is higher whichever is higher mg/kg Reference value2 Three times the reference value2 Selenium mg/kg Reference value2 Three times the reference value2 Zinc4 mg/kg Reference value2 or 2003, 4101 or three times the reference value2, Fluoride* whichever is higher whichever is higher

(Onsite Water Storage Monitoring Locations) for parameters listed in Schedule C - Table C12 (Onsite Water Quality Limits). Schedule C - Table C11 (Onsite Water Storage Monitoring Locations) Monitoring Point Co-ordinates Monitoring frequency (MGA94, Z54) Northing Easting Trekelano Environmental Dam 1 7623486 385979 Quarterly (if water is present) OFFICIAL Permit Environmental authority P-EA-100832203 C9-2 In the event that waters defined in Schedule C - Table C11 (Onsite Water Storage Monitoring Locations) exceed the quality levels defined in Schedule C - Table C12 (Dam Water Quality Levels), the Authority holder must implement measures to prevent access to waters by all livestock and minimise access by native fauna. Schedule C - Table C12 (Dam Water Quality Levels) Parameter Unit Test Value Quality Level2 pH pH unit Range Greater than 5.0, less than 9.03 EC -S/cm Maximum 15004 Turbidity NTU Maximum Twice the reference value Sulphate mg/L Maximum 10001 Aluminium mg/L Maximum 51 Arsenic mg/L Maximum 0.51 Cadmium mg/L Maximum 0.011 Cobalt mg/L Maximum 11 Copper mg/L Maximum 11 Lead5 mg/L Maximum 0.11 Molybdenum5 mg/L Maximum 0.151 Nickel mg/L Maximum 11 Rhenium5 mg/L Maximum Twice the reference value Selenium mg/L Maximum 0.021 Zinc5 mg/L Maximum 201 1 Levels based on ANZECC (2000) stock water quality guidelines. 2 Levels based on reference data are to be based on 24 consecutive samples (18 at a minimum) 3 Page 4.2-15 of ANZECC (2000) "Soil and animal health will not generally be affected by water with pH in the range of 4-9". 4 Trigger levels based on administering authority policy 5 Monitoring must commence when processing of ore from the Merlin Underground commences.

Permit Environmental Protection Act 1994 Environmental authority P-EA-100832203 This environmental authority is issued by the administering authority under Chapter 5 of the Environmental Protection Act 1994. Environmental authority number: P-EA-100832203 Environmental authority takes effect on 08 December 2025. The anniversary date of this environmental authority is 23 November. The payment of the annual fee will be due each year on this day. An annual return will be due each year on 01 April. Environmental authority holder(s) Name(s) Registered address CARNABY RESOURCES LIMITED 78 Churchill Avenue SUBIACO WA 6008 Environmentally relevant activity and location details Environmentally relevant activity/activities Location(s) Ancillary 08 - Chemical Storage - 3 - Storing more than ML90125, ML90128, ML90183 500 cubic metres of chemicals of class C1 or C2 combustible liquids under AS 1940 or dangerous goods class 3 under subsection (1)(c) Ancillary 33 - Crushing, milling, grinding or screening - ML90125, ML90128, ML90183 Crushing, grinding, milling or screening more than 5000t of material in a year Ancillary 60 - Waste disposal - 1(d) - Operating a ML90125, ML90128, ML90183 facility for disposing of, in a year, the following quantity of waste mentioned in subsection (1)(a) - more than 200,000t Ancillary 60 - Waste disposal - 2(a) - Operating a ML90125, ML90128, ML90183 facility for disposing of, in a year, the following quantity of waste mentioned in subsection (1)(b) - less than 2000t A013

Permit Environmental authority P-EA-100832203 Environmentally relevant activity/activities Location(s) Schedule 3 - 16 - Mining gold ore ML90125, ML90128, ML90183 Schedule 3 - 17 - Mining copper ore ML90125, ML90128, ML90183 Schedule 3 - 19 - Mining metal ore, other than a metal ML90125, ML90128, ML90183 ore mentioned in items 11, 12, 14, 15, 16,17 or 18 Ancillary 08 - Chemical Storage - 1 - Storing a total of ML90125, ML90128, ML90183 50t or more of chemicals of dangerous goods class 1 or class 2, division 2.3 under subsection (1)(a) 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 environmentally relevant activity (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 contaminated land give written notice to the administering authority if they become aware of the following: - the happening of an event involving a hazardous contaminant on the contaminated land (notice must be given within 24 hours); or - a change in the condition of the contaminated land (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 contaminated land (notice must be given within 20 business days) that is causing, or is reasonably likely to cause, serious or material environmental harm. 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'.

Permit Environmental authority P-EA-100832203 Take effect Please note that, in accordance with section 200 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, if the EA is authorising an activity that requires an additional authorisation (a relevant tenure for a resource activity, a development permit under the Planning Act 2016 or an SDA Approval under the State Development and Public Works Organisation Act 1971), this EA will not take effect until the additional authorisation has taken effect. 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. The anniversary day of this environmental authority is 23 November. The payment of the annual fee will be due each year on this day. An annual return will be due each year on 01 April. 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 environmental authority. Minerals Business Centre This environmental authority has been automatically and Innovation issued by an electronic system that is approved by Phone: 07 4222 5352 the chief executive under section 555 of the Email: ESCairns@detsi.qld.gov.au Environmental Protection Act 1994

Permit Environmental authority P-EA-100832203 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) Other permits required This permit only provides an approval under the Environmental Protection Act 1994. 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 Government agencies prior to commencing any activity at the site. For example, this may include permits / 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 Mining and Quarrying Safety and Health Act 1999 If you are operating a quarry, other than a sand and gravel quarry where there is no crushing capability, you will be required to comply with the Mining and Quarrying Safety and Health Act 1999. For more information on your obligations under this legislation contact Mine Safety and Health at www.nrmmrrd.qld.gov.au, or phone 13 QGOV (13 74 68) or your local Mines Inspectorate Office. Development Approval This permit is not a development approval under the Planning Act 2016. The conditions of this environmental authority are separate, and in addition to, any conditions that may be on the development approval. If a copy of this environmental authority is attached to a development approval, it is for information only, and may not be have the most current version of the environmental authority relating to this site.

OFFICIAL Permit Environmental authority P-EA-100832203 Conditions of environmental authority Schedule A - General Activity A1-1 Words and phrases used throughout this Authority are defined in Schedule I - Definitions. Where a definition for a term used in this Authority is sought and the term is not defined within the Authority, the definitions in the Environmental Protection Act 1994, its Regulations and Environmental Protection Policies must be used. A1-2 This Authority authorises environmental harm caused by the carrying out of the mining activities in accordance with the conditions of this Authority. Where a condition in this Authority refers to environmental harm the condition is taken to authorise the environmental harm occurring in compliance with the condition. Where there is no condition or this Authority is silent on a matter, the lack of a condition or silence shall not be construed as authorising environmental harm. A1-3 In carrying out the mining activity the Authority holder must comply with Schedule A-Table A1 (Authorised Mining Activities). Schedule A - Table A1 (Authorised Mining Activities) Mining Location (MGA94, Z54) Maximum Lease/s disturbance Mine Domain Mine Feature Name located area (ha) Waste Rock Trekelano WRD upon Northing Easting 67.12 Dump (WRD) 7623669 386545 90125 7624290 385711 26.29 and Ore 7624128 385177 Stockpiles 7623307 385397 5.59 7623834 386354 Trekelano Inheritance 90183 and 7624093 386587 Pit 90125 7624519 386464 7624490 386180 Open Cut Pit 7623992 386151 7624594 386105 Trekelano Pit 90125 7624742 386089 7624875 385999

OFFICIAL Permit Environmental authority P-EA-100832203 Mining Location (MGA94, Z54) Maximum Lease/s disturbance Mine Domain Mine Feature Name located area (ha) upon 3.09 Northing Easting 0.5 7624707 385869 1.61 Dams and Trekelano Sediment 90125 7624584 385915 Diversions Dam 90125 7623409 386049 Ancillary 7624881 386275 Infrastructure Trekelano 90125 and Camp/Office 90128 N/A N/A Roads and Tracks Trekelano A1-4 Access to the mining project via land authorised for that purpose by the Mineral Resources Act 1989 is subject to the conditions of this Authority. Maintenance of Measures, Plant and Equipment A2-1 The Authority holder must: (a) Install all measures, plant and equipment necessary to ensure compliance with the conditions of this Authority; and, (b) Maintain such measures, plant and equipment in a proper and efficient condition; and, (c) Operate such measures, plant and equipment in a proper and efficient manner. A2-2 No change, replacement or alteration of any plant or equipment is permitted if the change, replacement or alteration increases, or is likely to increase, the risk of environmental harm. Monitoring and Measurements A3-1 All instruments and devices used for the measurement or monitoring of any parameter under any condition of this Authority must be calibrated, appropriately operated and maintained. A3-2 The Authority holder must record, compile and keep for a minimum of seven (7) years all monitoring results required by this Authority. A3-3 Where monitoring is a requirement of this Authority, the Authority holder must ensure that a competent person(s) conducts all monitoring. A3-4 Any management or monitoring plans, systems or programs required to be developed and implemented by a condition of this Authority must be reviewed by a suitably qualified person for effectiveness in minimising the likelihood of environmental harm on an annual basis and amended promptly if required. Written certification of this review including identified issues and any subsequent actions undertaken in response must be recorded and provided to the administering authority upon request. Inspection of Records, Reports, Plans and Investigations

OFFICIAL Permit Environmental authority P-EA-100832203 A4-1 Promptly but within five (5) days of a request from the administering authority, the Authority holder must make available for inspection in the form and by the means requested by the administering authority all or any of the following: (a) Monitoring results required under any condition of this Authority; (b) Records required under any condition of this Authority; (c) Reports required under any condition of this Authority; (d) Plans required under any condition of this Authority; (e) Investigations required under any condition of this Authority. Risk Management A5-1 The Authority holder must develop and implement a risk management system for mining activities which conforms to the Standard for Risk Management (ISO31000:2009) or the latest edition of the equivalently recognised Standard for Risk Management. The risk management system must be developed and implemented 23 January 2026. Emergency response/contingency A6-1 The Authority holder must develop and implement an emergency response/contingency plan to respond to any potential emergency events. A6-2 The emergency response/contingency plan required under condition A6-1 must include, but not be limited to the following: (a) Response procedures to be implemented to prevent or minimise the risk of environmental harm arising from emergency events; (b) Response procedures to minimise the extent and duration of environmental harm caused by an emergency event; (c) The practices and procedures to be employed for remediation or mitigation of any environmental harm caused; (d) The available resources for responding to an emergency event; (e) Procedures to investigate the cause of any emergency events, including releases, and where necessary, implement remedial actions to reduce the likelihood of recurrence of similar events; (f) The provision and availability of documented procedures to staff attending any emergency events to enable them to effectively respond; (g) Training of staff that will be called upon to respond to emergency events to enable them to effectively respond; (h) Timely and accurate reporting of the circumstance and nature of emergency events to the administering authority in accordance with conditions of this Authority; (i) Procedures for accessing monitoring points during emergency events and incidents; and

OFFICIAL Permit Environmental authority P-EA-100832203 (j) Procedures to notify any occupiers or registered owners of affected land and other potentially impacted stakeholder who may be affected by the emergency event. Notification of Emergencies, Event and Exceedences A7-1 The Authority holder must provide written notification to the administering authority promptly but within twenty-four (24) hours after becoming aware of any emergency or event which results in the release of contaminants not in accordance, or reasonably expected to be not in accordance with the conditions of this Authority. A7-2 The Authority holder must notify the administering authority by telephone, email or facsimile promptly but within twenty-four (24) hours after becoming aware of any monitoring result that demonstrates an exceedence of any contaminant limit specified for a condition of this Authority, unless that condition specifies a different notification time-frame. A7-3 Any notification for conditions (A7-1) and (A7-2) of this Authority must include but not be limited to the following: (a) The Authority number and name of the Authority holder; (b) The name and telephone number of the designated contact person; (c) The location of the emergency, event or exceedence; (d) The date and time of the emergency, event or exceedence; (e) The time the Authority holder became aware of the emergency, event or exceedence; (f) Where known: (i) the estimated quantity, type and concentration of substances involved in the emergency, event or exceedence; (ii) the actual or potential cause of the emergency, event or exceedence; (iii) a description of the nature and effects of the emergency, event or exceedence including environmental risks, and any risks to public health or livestock; (g) Any sampling conducted or proposed, relevant to the emergency, event or exceedence; (h) Immediate actions taken to prevent or mitigate any further environmental harm caused by the emergency, event or exceedence; and, (i) What notification of stakeholders who may be affected by the emergency, event or exceedance has occurred or is being undertaken. A7-4 Promptly but within ten (10) business days following the initial notification of any emergency, event or exceedence required for condition (A7-1) or (A7-2) of this Authority, the Authority holder must provide written advice to the administering authority in a form and by the means acceptable to the administering authority, which includes at a minimum: (a) All details pertaining to the initial notification specified in condition (A7-3) of this Authority; (b) Results and interpretation of any samples taken and analysed in relation to the emergency, event or exceedence; (c) Outcomes of actions undertaken to prevent or minimise environmental harm; (d) Any proposed actions to prevent a recurrence of the emergency, event or exceedence; and

OFFICIAL Permit Environmental authority P-EA-100832203 (e) Any proposed actions and time-frames to further monitor and/or investigate the source, cause and extent of environmental harm resulting from the emergency, event or exceedence. A7-5 The Authority holder must promptly, but not more than five (5) business days following the conduct of any further environmental monitoring and/or investigation nominated for condition (A7-4)(e) of this Authority, provide written advice to the administering authority detailing: (a) The results of any monitoring and/or investigations performed; (b) Any resultant actions and time-frames proposed to be undertaken. A7-6 The Authority holder must promptly notify the occupiers or registered owners of affected land and any other potentially impacted stakeholder by telephone, email, or facsimile after becoming aware of any emergency, event or exceedence that has the potential to impact on environmental values or breaches any condition of this Authority concerning the release of contaminants to the environment. A7-7 The notification in condition (A7-6) of this Authority must include the following: (a) The location of the emergency, event or exceedence; (b) The date and time of the emergency, event or exceedence; (c) The estimated quantity and type of any substances involved in the emergency, event or exceedence; (d) The potential impacts to environmental values caused by the emergency, event or exceedence; and, (e) Where there is a potential impact on livestock or human health, precautionary measures that should be taken. Complaints A8-1 The Authority holder must record all environmental complaints received about the mining activities, promptly notify the administering authority of the complaint (within forty-eight (48) hours) and provide any details requested by the administering authority relating to the complaint, including at a minimum: (a) Name, address and contact number of the complainant; (b) Time and date of the 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/s responsible for resolving the complaint. A8-2 The Authority holder must, when requested by the administering authority, undertake relevant specified monitoring within a timeframe nominated by the administering authority to investigate any complaint of environmental harm. The results of the investigation (including any analysis and interpretation of the monitoring results) and abatement measures 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.

OFFICIAL Permit Environmental authority P-EA-100832203 Community A9-1 The Authority holder must establish, promote and maintain easily accessible lines of communication between residents, stakeholders and land owners reasonably expected to potentially be affected by the activities to ensure that any environmental, social, economic and cultural heritage impacts are identified and managed. This must include but not be limited to the following: (a) Provide the opportunity for regular meetings to occur with all relevant stakeholders at a frequency of no less than once every six (6) months; and, (b) Provide the opportunity for establishment of a consultative committee with representation for all relevant stakeholders that meet at regular intervals as determined by the committee only if required by the relevant stakeholders. Third Party Auditing A10-1 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. Transition to New Standards A11-1 Where a condition of this Authority requires compliance with a standard published externally to this Authority and the standard is amended or changed subsequent to the issue of this Authority, the Authority holder must: (a) Comply with the amended or changed standard within 12 months of the amendment or change being made, unless a different period is specified in the amended standard or relevant legislation; and, (b) Until compliance with the amended or changed standard is achieved, continue to remain in compliance with the standard that was current immediately prior to the relevant amendment or change. Exploration A12-1 All exploration activities carried out on the relevant mining tenures must comply with the provisions detailed in the administering authority's Code of Environmental Compliance for Exploration and Mineral Development Projects (the Code). Where there is a discrepancy between the Code and this Authority, the conditions of the Authority apply. Suitably Qualified Person A13-1 Any report, plan, audit or investigation required as a condition of this Authority must be undertaken by a suitably qualified person with appropriate skills and qualifications directly relevant to the field of study. Trekelano Aggregate Production A14-1 The holder of this environmental authority must ensure that only benign waste rock is used to produce aggregate on ML90125 for use off-site.

OFFICIAL Permit Environmental authority P-EA-100832203 Schedule B - Air General B1-1 Unless authorised by this Authority, the release of noxious or offensive odour, dust or any other airborne contaminant resulting from the mining activities must not cause environmental harm. B1-2 The holder of this Authority must ensure that bulk materials and mineral concentrate are transported in a manner that prevents the spillage and/or loss of particulate matter during transport. B1-3 When requested by the administering authority or as a result of a complaint (which is neither frivolous nor vexatious nor based on mistaken belief in the opinion of the authorised officer), odour, dust or any other airborne contaminant monitoring must be undertaken within a reasonable timeframe as specified by the administering authority, and the results thereof notified to the administering authority within ten (10) business days following completion of monitoring. Monitoring must be carried out at a place(s) relevant to the potentially affected sensitive or commercial place and where relevant at upwind control site(s). Dust Deposition Monitoring B2- 1 The release of fugitive emissions from the activities must not cause the concentrations of the air quality characteristics listed in Table B1 (Air Quality Limits), to exceed the air quality limits when measured at or beyond the boundary of any mining lease(s) listed on this environmental authority and at a sensitive place and or a commercial place. B2-2 By 23 January 2026 the environmental authority holder must ensure that an air quality monitoring program is developed by an appropriately qualified person and implemented that is capable of determining compliance with condition B2-1 of this environmental authority. Schedule B - Table B1 (Air Quality Limits) Limit Frequency of Monitoring Contaminant Type/Measurement Trigger Level Air Quality Limit Period Dust Deposition3 Arsenic and its compounds as Annual average 4-g/m2/day4 arsenic2 Cadmium and its Annual average 2-g/m2/day4 compounds as cadmium2 Lead and its Annual average 100 -g/m2/day4 250 -g/m2/day One sample compounds as Annual average taken monthly- lead2 dust deposition monitoring Copper and its compounds as 500 -g/m2/day copper2 Dust Monthly average 120 mg/m2/day deposition (total insoluble matter) 2Metal analysis must be carried out in accordance with a methodology sufficient to produce representative results capable of comparison against the respective limits and trigger values. 3Monitored 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.

OFFICIAL Permit Environmental authority P-EA-100832203 4Limits based on First General Administrative Regulation Pertaining to the Federal Emission Control Act (Technical Instructions on Air Quality Control - TA Luft) (Table 6). Meteorological monitoring B3-1 The Authority holder must establish and maintain a permanent meteorlogical station to continuously measure and record wind speed, wind direction, temperature, daily rainfall volume and rainfall intensity. B3-2 The permanent meteorological station must be installed in accordance with the latest edition of the Bureau of Meteorology guideline Observation specifications No.2013.1 Guidelines for the positioning and exposure of meteorological instruments and observing facilities. END OF SCHEDULE B

OFFICIAL Permit Environmental authority P-EA-100832203 Schedule C - Water C1-1 Contaminants that will, or have the potential to cause environmental harm must not be released directly or indirectly to any waters except as permitted under the conditions of this Authority. C1-2 All determinations of water quality must be: (a) Performed by a person(s) possessing appropriate experience and qualifications to perform the required measurements; (b) Made in accordance with methods prescribed in the latest edition of the administering authority's monitoring and sampling manual; (c) Collected from the monitoring locations identified within this Authority within two (2) hours of a release and within forty-eight (48) hours for all other monitoring; (d) Carried out on representative samples; (e) For laboratory determinations, carried out in a laboratory accredited (e.g. NATA) for the method of analysis being used. C1-3 The following information must be recorded in relation to all water monitoring required for any condition of this Authority and submitted to the administering authority promptly but within two (2) days of a request: (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 all contaminants released from any release point; (e) The receiving waters flow rate at the time of sampling for each release point; (f) The results of all monitoring and details of any exceedence with the conditions of this Authority; and, (g) Water quality monitoring data must be provided to the administering authority in the specified electronic format upon request. C1-4 The Authority holder must develop, implement and maintain all reasonable measures/contingency plans to ensure all weather access to any sampling location listed in the Schedule C - Table C1 (Contaminant Release Points) of this Authority. Contaminant Release to Waters C2-1 The release of contaminants to waters must only occur from the release points specified in Schedule C - Table C1 (Contaminant Release Points) and as depicted in the following Figures of this Authority: (a) Schedule I - Figure 1(a) (Surface Water and Groundwater Monitoring Locations; Trekelano). Note: the Authority holder must provide all Schedule I - Figures listed above in condition (C2-1) in a form and by the means acceptable to the administering authority by 1 April 2012. C2-2 The release of contaminants to waters must be monitored at the locations specified in Schedule C - Table C1 (Contaminant Release Points) for all parameters listed in Schedule C - Table C2 (Release Water Contaminant Trigger Levels and Limits) and at the following frequencies during release events or flow events:

OFFICIAL Permit Environmental authority P-EA-100832203 - One sample must be taken within twelve (12) hours of any release event or flow event commencing. A second sample must be taken between twelve (12) and twenty-four (24) hours following the commencement of a release event or flow event. - Where a release event or a flow event has a duration of twenty-four (24) hours or greater, samples must be taken daily for one week, and once a week thereafter until the release or flow event ceases. Note: The requirement to continue sampling release or flow events with a duration of twenty-four (24) hours or greater is only required if there is an exceedence at the release point of a release water contaminant trigger level or limit listed in Schedule C - Table C2 (Release Water Contaminant Trigger Levels and Limits). Schedule C - Table C1 (Contaminant Release Points) Release Description of Description Description of Co-ordinates Point Waste Water of Source Receiving (MGA94, Z54) Release Waters Northing Easting Trekelano Overflow of Runoff from Dermer Creek 7623486 385979 Environmental dam WRD Dam 1 Schedule C - Table C2 (Release Water Contaminant Trigger Levels and Limits) Quality Trigger Levels (-g/L Contaminant Limit (mg/L unless otherwise Characteristic unless otherwise specified) specified) 6.09 (minimum) pH (pH units) 6.03 (minimum) 7.53 (maximum) 9.015 (maximum) EC (-S/cm) 43510 10009 Sulphate (SO42- 80th percentile1,2,5 of 10006 ) (mg/L) reference4 Suspended For interpretation purposes Solids (mg/L) Aluminium For interpretation purposes. Results to be included in any investigation of an exceedance of the trigger levels for pH in accordance with condition C2-5. Arsenic13 80th percentile1,2,5 of reference4 or 133 as 0.1414 as dissolved metals dissolved metals. Cadmium 80th percentile1,2,5 of 0.000814 as dissolved reference4 or 0.23 as metals dissolved metals. 0.016 as total metals Cobalt 80th percentile1,2,5 of 0.098 as dissolved metals reference4 as dissolved and 16 as total metals metals.

OFFICIAL Permit Environmental authority P-EA-100832203 Quality Trigger Levels (-g/L Contaminant Limit (mg/L unless otherwise Characteristic unless otherwise specified) specified) 0.0315 as dissolved metals Copper 80th percentile1,2,5 of and 16 as total metals reference4 or 1.43 as 95th percentile5 of reference dissolved metals. value7, 12 or 0.16 whichever Lead11 80th percentile1,2,5 of is lower reference4 or 3.43 as dissolved metals. Molybdenum11 80th percentile1,2,5 of 95th percentile5 of reference value7,12 reference4 or 19003 as dissolved metals. Nickel11 80th percentile1,2,5 of 0.01714 as dissolved metals reference4 or 113 as and 16 as total metals dissolved metals. Rhenium11 80th percentile1,2,5 of 95th percentile5 of reference value7,12 reference4 as dissolved metals. Selenium 80th percentile1,2,5 of 0.026 as total metals (Total) reference4 or 113 as 95th percentile5 of reference value7, 12 or 206 Zinc11 dissolved metals. whichever is 80th percentile1,2,5 of lower reference4 or 83 as dissolved metals. Hardness For the purpose of interpretation Fluoride* 80th percentile1,5 of 95th percentile5,14 of reference4 reference value7, 12 or 26 whichever is lower Phosphate* 80th percentile1,2,5 of 95th percentile5 of reference reference4 value7, 12 or 0.05 whichever is lower Nitrogen * 80th percentile1,2,5 of 95th percentile5 of reference reference4 value7, 12 or 400 whichever is lower 1 An interim trigger value can be derived from `GREATER THAN OR EQUAL TO' 8 but `LESS THAN OR EQUAL TO' consecutive reference site samples, derived using administering authority (2006) methodology (section 3.4.3.1). 2 Trigger values are based on the 80th percentile of at least 10 and no more than 24 consecutive reference site samples, derived using the administering authority (2006) methodology (Table D1, and section 3.4.3.1). 3 Default trigger values - from ANZECC (2000) trigger levels for aquatic ecosystems indicative of slightly disturbed tropical Australian upland river ecosystems. 4 Reference sites are to be determined in accordance with Condition (C7-2) (j). 5 80th and 95th percentiles are calculated using ANZECC (2000) methodology (section 7.4.4.1). 6 Contaminant limit based on ANZECC (2000) stock water quality guidelines.

OFFICIAL Permit Environmental authority P-EA-100832203 7 Limit levels based on reference data are to be based on 24 consecutive samples obtained at the time of a release (18 at a minimum). 8Contaminant limit based on ANZECC (2000) freshwater moderate reliability trigger value, section 8.3.7.1. 9 Contaminant limit based on administering authority policy. 10 Contaminant trigger based on Queensland Water Quality Guidelines (Table G.4 - 75th percentile). 11 Monitoring must commence and trigger levels and contaminant limits apply when processing of ore from the Merlin Underground commences. 12 Where 95th percentile of reference is exceeded and the reference site also exceeds the value during the same event, the value of the reference site during the same event applies. 13 Analysis is based on total/combined species of the element, where the trigger level is exceeded, an analysis to determine and quantify speciated forms of the element is required. 14 Contaminant limit based on ANZECC (2000) 80% species level of protection. 15 Contaminant limit based on site specific data as at June 2016. *Only required for the monitoring locations as defined in Schedule C - Table C4 (Receiving Waters Monitoring Locations and Frequency): Phosphate Hill Downstream, Phosphate Hill Environment Dam and Phosphate Hill Reference. C2-3 The volume of all water released to waters from each of the release points specified in Schedule C - Table C1 (Contaminant Release Points) must be determined and recorded. C2-4 The release of contaminants to waters must not exceed the contaminant limits specified in Schedule C - Table C2 (Release Water Contaminant Trigger Levels and Limits) for each parameter. C2-5 If quality characteristics of the release exceed any of the trigger levels specified in Schedule C - Table C2 (Release Water Contaminant Trigger Levels and Limits) during a release event, the holder of this Authority must compare the downstream results in the receiving waters during that release event to the trigger values specified in Schedule C - Table C2 (Release Water Contaminant Trigger Levels and Limits) and: (a) If the level of contaminants at the downstream site is the same or a lower value than the reference value for the quality characteristic during the release event then no action is to be taken; or (b) If the level of contaminants at the downstream site is greater than the reference monitoring site data complete an investigation in accordance with the ANZECC and ARMCANZ 2000 methodology, into the potential for environmental harm and provide a written report to the administering authority within 3 months, outlining: (i) Details of the investigations carried out; and, (ii) Actions taken to prevent environmental harm. Note: Where an exceedence of a trigger level has occurred and is being investigated, in accordance with requirement (b) of this condition, no further reporting is required for subsequent trigger events for that quality characteristic. C2-6 The release of contaminants to waters must not produce in the receiving waters, any slick or other visible or odorous evidence of oil, grease or petrochemicals nor contain visible floating oil, grease, scum, litter or other objectionable matter nor have any other properties nor contain any organisms or other contaminants in concentrations that are capable of causing environmental harm. C2-7 Waters from areas potentially contaminated by oils and grease such as workshops and fuel storage areas must be effectively treated in a coalescing plate separator or equivalent prior to being placed in any location from which they may be released to waters.

OFFICIAL Permit Environmental authority P-EA-100832203 C2-8 The release of waters must not cause erosion of the bed or banks of the receiving waters or result in deposition of sediment. Stream Flow Monitoring C3-1 During all release events, the volume of natural flow in receiving waters must be monitored immediately downstream of each release location specified in Schedule C - Table C1 (Contaminant Release Points) in a manner that ensures at a minimum: (a) Stream flow in receiving waters is measured at the commencement of, during and following any release event until such time as flow in the receiving water ceases; and, (b) Flow volume is determined at a level of accuracy that enables calculation of contaminant load in the receiving water for all contaminants listed in Schedule C - Table C4 (Receiving Water Contaminant Trigger Levels and Contaminant Limits). C3-2 In the event that the methodology for calculating stream flow in receiving waters adopted to comply with condition (C3-1) is deemed to be unacceptable to the administering authority, the Authority holder will be required to install, operate and maintain gauging stations for all contaminant release points listed in Schedule C - Table C1 (Contaminant Release Points) before commencing any release to receiving waters from those locations. C3-3 Notwithstanding any other condition of this Authority, the release of contaminants to waters must only take place during natural flow events when the background receiving water flow comprises a minimum of 95% of the total volume of the release. Notification of release to waters C4-1 The Authority holder must promptly (but no later than six (6) hours of having commenced releasing water to the receiving environment) notify the administering authority by telephone or e-mail of a release event. Notification must include the submission of written verification to the administering authority of the following information: (a) Release commencement date/time; (b) Expected release cessation date/time; (c) Release point/s; (d) Release volume (estimated); (e) Receiving water/s including the natural flow rate; and (f) Any details (including available data) regarding likely impacts on the receiving water(s). C4-2 The Authority holder must promptly (but within twenty-four (24) hours after cessation of a release) notify the administering authority of the cessation of a release notified under condition (C4-1) and within twenty- eight (28) days provide the following information in writing: (a) Release cessation date/time; (b) Natural flow volume in receiving water; (c) Volume of water released; (d) Details regarding the compliance of the release with the conditions of this Authority (i.e. contamination limits, natural flow, discharge volume); (e) All in-situ water quality monitoring results; and

OFFICIAL Permit Environmental authority P-EA-100832203 (f) Any other matters pertinent to the water release event. Receiving Environment Monitoring C5-1 The quality of the receiving waters must be monitored for all parameters listed in Schedule C - Table C5 (Receiving Water Contaminant Trigger Levels and Limits) and at the locations and frequencies defined in Schedule C - Table C4 (Receiving Waters Monitoring Locations and Frequency) and as depicted in the following Figures of this Authority: (a) Schedule I - Figure 1(a) (Surface Water and Groundwater Monitoring Locations - Trekelano). Schedule C - Table C4 (Receiving Waters Monitoring Locations and Frequency) Monitoring Description Co-ordinates - MGA94, Monitoring Point Z54 frequency Northing Easting 7623898 Receiving Waters Dermer Creek Dermer Ck Event based sampling: downstream of - One sample must be taken Trekelano mine 386746 within 2 hours of a release or flow event commencing. Reference Sites1 - Where a release or flow event has a duration of 24 hours or Dermer Creek Dermer Creek 7625195 386332 greater, samples must be Reference Upstream of taken daily for one week, and Trekelano mine once a week thereafter until the release or flow event ceases2. Event based sampling: - One sample must be taken within 2 hours of a release or flow event commencing. - Where a release or flow event has a duration of 24 hours or greater, samples must be taken daily for one week, and once a week thereafter until the release or flow event ceases2. 1 Reference sites must: - be from the same bio-geographic and climatic region; and - have similar geology, soil types and topography; and - contain a range of habitats similar to those at the test sites; and - have a similar flow regime; and - not be so close to the test sites that any disturbance at the test site also results in a change at the reference site 2 Continued sampling of release events with a duration of twenty-four (24) hours or greater is only required if there is an exceedence of a contaminant trigger level detected at the contaminant release point. C5-2 If quality characteristics of the receiving water at the receiving water monitoring locations exceed any of the trigger levels specified in Schedule C - Table C5 (Receiving Water Contaminant Trigger Levels and Limits) during a release event, the Authority holder must compare the results of the receiving water monitoring site to the reference site monitoring data and:

OFFICIAL Permit Environmental authority P-EA-100832203 (a) If the level of contaminants at the receiving water monitoring site does not exceed the reference site monitoring data, then no action is to be taken; or, (b) if the level of contaminants at the receiving monitoring site is greater than the reference site monitoring data, complete an investigation in accordance with the ANZECC (2000) guidelines methodology, into the potential for environmental harm and provide a written report to the administering authority within three (3) months, outlining: (i) Details of the investigations carried out; and, (ii) Actions taken to prevent environmental harm. Note: Where an exceedence of a trigger level has occurred and is being investigated, in accordance with requirement (b) of this condition, no further reporting is required for subsequent trigger events for that quality characteristic within the three month investigation period. C5-3 Contaminant levels in receiving waters must not exceed any of the contaminant limits defined in Schedule C - Table C5 (Receiving Water Contaminant Trigger Levels and Limits). Schedule C - Table C5 (Receiving Water Contaminant Trigger Levels and Limits) Quality Trigger Levels (-g/L unless otherwise Contaminant Limit (mg/L unless otherwise Characteristic specified) specified) pH (pH units) 6.03 (minimum) 6.012 (minimum) 7.53 (maximum) 9.011 (maximum) EC (-S/cm) 10009 Sulphate (SO42-) 43510 (mg/L) 10006 Suspended 80th percentile1,2,5,14 of Solids (mg/L) reference4 Aluminium For the purpose of interpretation Arsenic13 For interpretation purposes. Results to be included in any Cadmium investigation of an exceedance of the trigger levels for pH in accordance with condition C5-2. 80th percentile1,2,5,14 of 0.148 as dissolved metals reference4 or 133 80th percentile1,2,5,14 of 0.00088 as dissolved metals reference4 or 0.23 0.016 as total metals Cobalt 80th percentile1,2,5,14 of 0.09 as dissolved metals Copper reference4 and 16 as total metals 80th percentile1,2,5,14 of 0.0311 as dissolved metals reference4 or 1.43 and 16 as total metals

OFFICIAL Permit Environmental authority P-EA-100832203 Quality Trigger Levels (-g/L unless otherwise Contaminant Limit (mg/L unless otherwise Characteristic specified) specified) Lead15 80th percentile1,2,5,14 of 95th percentile5,14 of Molybdenum15 reference4 or 3.43 reference value7, 12 or 0.16 Nickel 80th percentile1,2,5,14 of whichever is lower reference4 or 19003 95th percentile5,14 of 80th percentile1,2,5,14 of reference value7,12 reference4 or 113 0.0178 as dissolved metals and 16 as total metals Rhenium15 80th percentile1,2,5,14 of 95th percentile5,14 of Selenium (Total) reference4 reference value7,12 Zinc15 80th percentile1,2,5,14 of 0.026 as total metals reference4 or 113 95th percentile5,14 of 80th percentile1,2,5,14 of reference value7, 12 or 206 reference4 or 83 whichever is lower Hardness For the purpose of interpretation Fluoride* 80th percentile1,5,14 of 95th percentile5,14 of Phosphate* reference4 reference value7,12 or 26 Nitrogen* whichever is lower 80th percentile1,2,5,14 of reference4 95th percentile5,14 of reference value7, 12 or 0.05 80th percentile1,2,5,14 of whichever is lower reference4 95th percentile5,14 of reference value7, 12 or 400 whichever is lower 1 An interim trigger value can be derived from `GREATER THAN OR EQUAL TO' 8 but `LESS THAN OR EQUAL TO' 17 consecutive reference site samples, derived using administering authority (2006) methodology (section 3.4.3.1). 2 Trigger values are based on the 80th percentile of at least 10 and no more than 24 consecutive reference site samples, derived using the administering authority (2006) methodology (Table D1, and section 3.4.3.1). 3 Default trigger values - from ANZECC (2000) trigger levels for aquatic ecosystems indicative of slightly disturbed tropical Australian upland river ecosystems. 4 Reference sites are to be determined in accordance with condition (C7-2) (j). 5 80th and 95th percentiles are calculated using ANZECC (2000) methodology (section 7.4.4.1). 6 Contaminant limit based on ANZECC (2000) stock water quality guidelines. 7 Limit levels based on reference data are to be based on 24 consecutive samples obtained at the time of a release (18 at a minimum). 8 Contaminant limit based on ANZECC (2000) 80% species level of protection. 9 Contaminant limit based on administering authority policy. 10 Contaminant trigger based on Queensland Water Quality Guidelines (Table G.4 - 75th percentile). 11 Contaminant limit based on site specific data.

OFFICIAL Permit Environmental authority P-EA-100832203 12 If the reference site also exceeds the value during the same event, the value of the reference site during the same event applies 13 Analysis is based on total/combined species of the element, where the trigger level is exceeded, an analysis to determine and quantify speciated forms of the element is required. 14 80th and 95th percentiles to be determined based on Receiving Environment Monitoring Program. 15 Monitoring must commence and trigger levels and contaminant limits apply when processing of ore from the Merlin Underground commences. *Only required for the following monitoring locations as defined in Schedule C - Table C4 (Receiving Waters Monitoring Locations and Frequency): Phosphate Hill Downstream, Phosphate Hill Environment Dam and Phosphate Hill Reference. Note: All metals and metalloids must be measured as total (unfiltered) and dissolved (filtered). Trigger levels for metal/metalloids apply if dissolved results exceed trigger. Stream Sediment Contaminant Levels C6-1 Sediment quality of receiving waters and reference waters must be monitored twice a year (once at the end of the wet season and once at the end of the dry season)* for the parameters defined in Schedule C - Table C6 (Stream Sediment Trigger Levels and Contaminant Limits) and at the monitoring locations defined in Schedule C - Table C4 (Receiving Waters Monitoring Locations and Frequency) and as depicted in the following Figures of this Authority: (a) Schedule I - Figure 1(a) (Surface Water and Groundwater Monitoring Locations - Trekelano). *Note: If no contaminant release has occurred in the previous 12 months, sediment sampling frequency can be reduced to once per year, to be undertaken at the end of the dry season. C6-2 If the quality characteristics of sediments exceed any of the trigger levels specified in Schedule C - Table C6 (Stream Sediment Trigger Levels and Contaminant Limits), the Authority holder must compare the results of the downstream site to the data from reference monitoring sites and: (a) If the level of contaminants at the downstream site does not exceed the reference monitoring site data, then no action is to be taken; or, (b) If the level of contaminants at the downstream site is greater than the reference monitoring site data, complete an investigation in accordance with the ANZECC (2000) guidelines methodology, into the potential for environmental harm and provide a written report to the administering authority within three (3) months, outlining: (i) Details of the investigations carried out; and, (ii) Actions taken to prevent environmental harm. Note: Where an exceedence of a trigger level has occurred and is being investigated, in accordance with requirement (b) of this condition, no further reporting is required for subsequent trigger events for that quality characteristic within the three month investigation period. C6-3 Sediment contaminant levels must not exceed the sediment contaminant limits stated in Schedule C - Table C6 (Stream Sediment Trigger Levels and Contaminant Limits). C6-4 If an exceedence in accordance with condition (C6-3) is identified, the Authority holder must notify the administering authority within seven (7) days of receiving the result. Schedule C - Table C6 (Stream Sediment Trigger Levels and Contaminant Limits)

OFFICIAL Permit Environmental authority P-EA-100832203 Parameter Unit Trigger Level Contaminant Limit Arsenic mg/kg Reference value2 or 203, 701 or twice the reference value2, whichever is higher whichever is higher Cadmium mg/kg Reference value2 or 1.53, 101 or three times the reference value2, whichever is higher whichever is higher Cobalt mg/kg Reference value2 Three times the reference value2 Copper mg/kg Reference value2 or 653, 2701 or three times the reference value2, whichever is higher whichever is higher Lead4 mg/kg Reference value2 or 503, 2201 or three times the reference value2, whichever is higher whichever is higher Molybdenum4 mg/kg Reference value2 Three times the reference value2 Nickel mg/kg Reference value2 or 213, 521 or three times the reference value2, Rhenium4 whichever is higher whichever is higher mg/kg Reference value2 Three times the reference value2 Selenium mg/kg Reference value2 Three times the reference value2 Zinc4 mg/kg Reference value2 or 2003, 4101 or three times the reference value2, Fluoride* whichever is higher whichever is higher mg/kg Reference value2 Three times the reference value2 Nitrogen* mg/kg Reference value2 Three times the reference value2 Phosphate* mg/kg Reference value2 Three times the reference value2 1 ANZECC (2000) Interim Sediment Quality Guidelines - high values based on total sediments 2 Reference sites are defined in Schedule C - Table C4 (Receiving Waters Monitoring Locations and Frequency). 3 ANZECC (2000) Interim Sediment Quality Guidelines - low values based on total sediments. 4 Monitoring must commence when processing of ore from the Merlin Underground commences. * Only required for the following monitoring locations as defined in Schedule C - Table C4 (Receiving Waters Monitoring Locations and Frequency): Phosphate Hill Downstream, Phosphate Hill Environment Dam and Phosphate Hill Reference. C6-5 All stream sediment sampling must be undertaken in accordance with AS 5667.12 Guidance on Sampling of Bottom Sediments of 1998. Receiving Environment Monitoring Program (REMP)

OFFICIAL Permit Environmental authority P-EA-100832203 C7-1 A REMP must be developed and implemented by a suitably qualified person no later than three (3) months following issue of this Authority to monitor and record the effects of the release of contaminants on the receiving environment periodically and whilst contaminants are being discharged from the site, with the aims of identifying and describing the extent of any adverse impacts to local environmental values, and monitoring any changes in the receiving water. A copy of the REMP must be provided to the administering authority prior to its implementation and due consideration given to any comments made on the REMP by the administering authority. For the purposes of the REMP, the receiving environment is all underlying groundwater, the waters of Carbo Creek, Little Sandy Creek, Noname Creek, Dermer Creek, Lucky Luke Creek and any connected waterways that are downstream of a release point/s listed in Schedule C - Table C1 (Contaminant Release Points) of this Authority. C7-2 The REMP must address (but not necessarily be limited to) the following: (a) Description of potentially affected receiving waters including key communities and background water quality characteristics based on accurate and reliable monitoring data that takes into consideration any temporal variation (e.g. seasonality); (b) Description of applicable environmental values and water quality objectives to be achieved (i.e. as scheduled pursuant to the Environmental Protection (Water) Policy 2009); (c) Any relevant reports prepared by other governmental or professional research organisations that relate to the receiving environment within which the REMP is proposed; (d) Water quality targets within the receiving environment to be achieved, and clarification of contaminant concentrations or level indicating adverse environmental impacts during the REMP; (e) Monitoring for any potential adverse environmental impacts caused by the release; (f) Monitoring of stream flow and hydrology; (g) Monitoring of toxicants should consider the indicators specified in Schedule C - Table C2 (Release Water Trigger Levels and Contaminant Limits) to assess the extent of the compliance of concentrations with water quality objectives and/or the ANZECC (2000) guidelines for slightly to moderately disturbed freshwater ecosystems; (h) Monitoring as a minimum the parameters specified in Schedule C - Table C2 (Release Water Contaminant Trigger Levels and Limits) (in addition to dissolved oxygen saturation and temperature); (i) Monitoring biological indicators (for macroinvertebrates in accordance with the AusRivas sampling methodology/the latest edition of the administering authority's monitoring and sampling manual) and metals/metalloids in sediments (in accordance with ANZECC (2000) guidelines, BATLEY and/or the most recent version of AS5667.1 Guidance on Sampling of Bottom Sediments) for permanent, semi- permanent water holes and water storages; (j) The locations of monitoring points, including reference/upstream and downstream sites, for all areas potentially impacted by activities authorised by this Authority. Reference sites must comply with the following criteria: (i) Be from the same bio-geographic and climatic region; (ii) Have similar geology, soil types and topography; (iii) Contain a range of habitats similar to those at the potentially impacted sites; (iv) Have a similar flow regime; and

OFFICIAL Permit Environmental authority P-EA-100832203 (v) Not be so close to the potentially impacted sites that any disturbance at the potentially impacted sites also results in a change at the reference site; (k) The frequency or scheduling or sampling and analysis sufficient to determine water quality objectives and to derive site specific reference values within three (3) years (depending on wet season flows) in accordance with the latest edition of the administering authority's Queensland Water Quality Guidelines. For ephemeral streams, this should include periods of flow irrespective of mine or other discharges; (l) Specify sampling and analysis methods and quality assurance and control; (m) Any historical datasets to be relied upon; (n) Description of the statistical basis on which conclusions are drawn; and (o) Any spatial and temporal controls to exclude potential confounding factors. C7-3 A report outlining the findings of the REMP, including all monitoring results and interpretations in accordance with condition (C7-2) must be prepared and submitted in writing to the administering authority by 1 August 2013 and thereafter every twelve (12) months. This report must include an assessment of: (a) Any assimilative capacity for those contaminants monitored; (b) The suitability of current release limits to protect downstream environment values; (c) If current release limits are identified as unsuitable to protect downstream environmental values, provide recommendations for more appropriate contaminant limits. Groundwater C8-1 Groundwater quality and level must be monitored for all parameters listed in Schedule C - Table C8 (Groundwater Contaminant Trigger Levels and Limits) and at the locations and frequencies defined in Schedule C - Table C7 (Groundwater Monitoring Locations and Frequency) and as depicted in the following Figures of this Authority: (a) Schedule I - Figure 1(a) (Surface Water and Groundwater Monitoring Locations - Trekelano). (b) ). Schedule C - Table C7 (Groundwater Monitoring Locations and Frequency) Monitoring Point Description Co-ordinates Surface RL1 (m) Monitoring Observation Bores (MGA94, Z54) Easting frequency Northing Trekelano Trekelano old workings 7623895 386021 320.50 MB1 monitoring bore Trekelano Trekelano old workings bore 7624289 386507 320.60 MB2 Quarterly

OFFICIAL Permit Environmental authority P-EA-100832203 Monitoring Point Description Co-ordinates Surface RL1 (m) Monitoring (MGA94, Z54) Easting frequency Northing Trekelano W2 Trekelano 7624301 385947 324.16 Trekelano W4 monitoring bore Trekelano W7 7623909 386014 321.01 Trekelano monitoring bore 7624580 385921 325.98 Trekelano 321.66 monitoring bore 316.94 Compliance Bores Trekelano W3 Trekelano 7624317 386743 Trekelano W5 monitoring bore Quarterly Trekelano monitoring bore 7623160 386338 1 RL must be measured to the nearest 5cm from the top of the bore casing C8-2 Groundwater from compliance bores identified in Schedule C - Table C7 (Groundwater Monitoring Locations and Frequency) must not exceed any of the limits defined in Schedule C - Table C8 (Groundwater Contaminant Trigger Levels and Limits). C8-3 If an exceedence in accordance with condition (C8-3) is identified, the Authority holder must notify the administering authority within forty-eight (48) hours of receiving the result. Schedule C - Table C8 (Groundwater Contaminant Trigger Levels and Limits) Quality Trigger Levels (-g/L Contaminant Limit (mg/L unless Monitoring Frequency Characteristic unless otherwise otherwise specified) specified) pH (pH units) 6.03 (minimum) 6.09 (minimum) 7.53 (maximum) 8.59 (maximum) Quarterly EC (-S/cm) 43510 10009 10006 Sulphate (SO42-) 80th percentile1,2,5 (mg/L) of reference4

OFFICIAL Permit Environmental authority P-EA-100832203 Quality Trigger Levels (-g/L Contaminant Limit (mg/L unless Monitoring Frequency Characteristic unless otherwise otherwise specified) specified) Aluminium 80th percentile1,2,5 95th percentile5 of reference value7 Arsenic12 of reference4 or or 56, whichever is lower Cadmium 553 95th percentile5 of reference 80th percentile1,2,5 value7 or 0.56 whichever is lower of reference4 or 133 95th percentile5 of reference value7 or 0.016 whichever is lower 80th percentile1,2,5 of reference4 or 0.23 Cobalt 80th percentile1,2,5 95th percentile5 of reference of reference4 value7,11 or 16 whichever is lower Copper 80th percentile1,2,5 95th percentile5 of reference value7 Lead14 of reference4 or or 16 whichever is lower Molybdenum14 1.43 Nickel 95th percentile5 of reference value7 80th percentile1,2,5 or 0.018 whichever is lower of reference4 or 3.43 95th percentile5 of reference value7 80th percentile1,2,5 95th percentile5 of reference value7 of reference4 or or 16 whichever is lower 19003 80th percentile1,2,5 of reference4 or 113 Rhenium14 80th percentile1,2,5 95th percentile5 of reference value7 of reference4 Selenium (Total) 80th percentile1,2,5 95th percentile5 of reference value7 Zinc14 of reference4 or or 0.026 whichever is lower Hardness 113 95th percentile5 of 80th percentile1,2,5 reference value7 or of reference4 or 83 206 whichever is lower For the purpose of interpretation, particularly in regard to metals analysis 1 An interim trigger value can be derived from `GREATER THAN OR EQUAL TO' 8 but `LESS THAN OR EQUAL TO' consecutive reference site samples, derived using administering authority (2006) methodology (section 3.4.3.1).

OFFICIAL Permit Environmental authority P-EA-100832203 2 Trigger values are based on the 80th percentile of at least 10 and no more than 24 consecutive reference site samples, derived using the administering authority (2006) methodology (Table D1, and section 3.4.3.1). 3 Default trigger values - from ANZECC (2000) trigger levels for aquatic ecosystems indicative of slightly disturbed tropical Australian upland river ecosystems. 4 Reference sites are to be determined in accordance with Condition (C7-2) (j). 5 80th and 95th percentiles are calculated using ANZECC (2000) methodology (section 7.4.4.1). 6 Contaminant limit based on ANZECC (2000) stock water quality guidelines. 7 Limit levels based on reference data are to be based on 24 consecutive samples obtained at the time of a release (18 at a minimum). 8 Contaminant limit based on NHMRC Drinking Water Guidelines (2006). 9 Contaminant limit based on administering authority policy. 10 Contaminant trigger based on Queensland Water Quality Guidelines (Table G.4 - 75th percentile). 13 Analysis is based on total/combined species of the element, where the trigger level is exceeded, an analysis to determine and quantify speciated forms of the element is required. 14 Monitoring must commence when processing of ore from the Merlin Underground commences. Note: All metals and metalloids must be measured as total (unfiltered) and dissolved (filtered). Trigger levels for metal/metalloids apply if dissolved results exceed trigger levels. C8-4 Groundwater monitoring bores must be constructed and operated in accordance with methods prescribed in the latest edition of the Agriculture and Resource Management Council of Australia and New Zealand manual titled Minimum Construction Requirements for Water Bores in Australia.C8-6 Onsite Water Storages C9-1 On site water storages must be monitored at the locations and frequencies defined in Schedule C -Table C11 (Onsite Water Storage Monitoring Locations) for parameters listed in Schedule C - Table C12 (Onsite Water Quality Limits). Schedule C - Table C11 (Onsite Water Storage Monitoring Locations) Monitoring Point Co-ordinates Monitoring frequency (MGA94, Z54) Northing Easting Trekelano Environmental Dam 1 7623486 385979 Quarterly (if water is present)

OFFICIAL Permit Environmental authority P-EA-100832203 C9-2 In the event that waters defined in Schedule C - Table C11 (Onsite Water Storage Monitoring Locations) exceed the quality levels defined in Schedule C - Table C12 (Dam Water Quality Levels), the Authority holder must implement measures to prevent access to waters by all livestock and minimise access by native fauna. Schedule C - Table C12 (Dam Water Quality Levels) Parameter Unit Test Value Quality Level2 pH pH unit Range Greater than 5.0, less than 9.03 EC -S/cm Maximum 15004 Turbidity NTU Maximum Twice the reference value Sulphate mg/L Maximum 10001 Aluminium mg/L Maximum 51 Arsenic mg/L Maximum 0.51 Cadmium mg/L Maximum 0.011 Cobalt mg/L Maximum 11 Copper mg/L Maximum 11 Lead5 mg/L Maximum 0.11 Molybdenum5 mg/L Maximum 0.151 Nickel mg/L Maximum 11 Rhenium5 mg/L Maximum Twice the reference value Selenium mg/L Maximum 0.021 Zinc5 mg/L Maximum 201 1 Levels based on ANZECC (2000) stock water quality guidelines. 2 Levels based on reference data are to be based on 24 consecutive samples (18 at a minimum) 3 Page 4.2-15 of ANZECC (2000) "Soil and animal health will not generally be affected by water with pH in the range of 4-9". 4 Trigger levels based on administering authority policy 5 Monitoring must commence when processing of ore from the Merlin Underground commences. Note: Analysis for total metal concentrations. Water Management Plan C10-1 A Water Management Plan must be developed and implemented by 23 January 2026 that provides for the proper and effective management of the actual and potential environmental impacts resulting from the mining activity and to ensure compliance with the conditions of this Authority.

OFFICIAL Permit Environmental authority P-EA-100832203 C10-2 The Water Management Plan must be developed in accordance with the administering authority's Guideline for Preparing a Water Management Plan 2009 and any updates that become available from time to time and must include at least the following components: a) Contaminant source study; b) Site water balance and model; c) Water management system; d) Saline and metalliferous drainage prevention and management measures; e) Acid rock and neutral mine drainage prevention and management measures; f) Emergency and contingency planning; and, g) Monitoring and review. C10-3 Each year the Authority holder must undertake and document a review of the Water Management Plan prior to the wet season (but no later than 1 November of each year) and a further review following the wet season (but no later than 1 May of the following year) to ensure that proper and effective measures, practices or procedures are in place so that operations are in accordance with the conditions of this Authority and that environmental harm is prevented or minimised. C10-4 A copy of the Water Management Plan and/or documentation of any reviews of the Water Management Plan must be provided to the administering authority on request. Stormwater and Water Sediment Controls C11-1 An Erosion and Sediment Control Plan must be developed by a suitably qualified person by 23 January 2026 and immediately implemented and maintained for all stages of mining activities on the mining lease(s) to prevent or minimise erosion and the release of sediment to receiving waters and the contamination of stormwater. C11-2 The Erosion and Sediment Control Plan must at minimum provide for the following stormwater management functions: (a) Prevent or minimise the contamination of stormwater; (b) Diverting uncontaminated stormwater run-off around areas disturbed by mining activities or where contaminants or wastes are stored or handled; (c) Contaminated stormwater runoff, incident rainfall and leachate is collected; and treated, reused, or released in accordance with the conditions of this Authority; (d) Roofing or minimising the size of areas where contaminants or wastes are stored or handled; (e) Using alternate materials and or processes (such as dry absorbents) to clean up spills that will minimise the generation of contaminated waters; (f) Erosion and sediment control structures are placed to minimise erosion of disturbed areas and prevent the contamination of any waters; (g) Procedures to ensure that erosion and sediment control structures are maintained and adequate storage is available in sediment dams in accordance with design criteria; (h) Training of staff that will be responsible for maintenance and operations of sediment and erosion control structures.

OFFICIAL Permit Environmental authority P-EA-100832203 C11-3 Any spillage of wastes, contaminants or other materials must be cleaned up promptly to minimise the release of wastes, contaminants or materials to any stormwater drainage system or receiving waters. END OF SCHEDULE C

OFFICIAL Permit Environmental authority P-EA-100832203 Schedule D - Noise D1-1 Noise from mining activities must not cause environmental harm or nuisance unless authorised by a condition of this Authority. D1-2 In the event of a complaint made to the administering authority (which is neither frivolous or vexatious) about noise generated in carrying out the licensed activity and the noise is considered by the administering authority to be an unreasonable noise, the holder of this Authority must take action to ensure that it is no longer an unreasonable noise. Noise Monitoring D2-1 Ensure that noise generated by the mining activities does not cause the criteria in Schedule D - Table D1 (Noise Limits). Schedule D - Table D1 (Noise Limits) Noise level dB (A) Monday to Saturday Sundays and Public Holidays measured as 7am - 6pm - 10pm - 9am - 6pm - 10pm - 10pm 9am 6pm 10pm 7am 6pm Noise measured at a `noise sensitive place' LA10, adj, 10 mins BG+5 BG+5 BG+3 BG+5 BG+5 BG+0 LA1, adj, 10 mins BG+10 BG+10 BG+5 BG+10 BG+10 BG+5 Noise measured at a `commercial place' LA10, adj, 10 mins BG+10 BG+10 BG+5 BG+10 BG+10 BG+5 LA1, adj, 10 mins BG+15 BG+15 BG+10 BG+15 BG+15 BG+10 Note: The method of measurement and reporting of noise levels must comply with the latest edition of the Environmental Protection Agency's Noise Measurement Manual. D2-2 When requested by the administering authority, the Authority holder must undertake and record noise monitoring within a reasonable and practicable timeframe nominated by the administering authority to investigate any complaint 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. D2-3 Noise monitoring and recording must include the following descriptor characteristics and matters: (a) LAN,T (where N equals the statistical levels of 1, 10 and 90 and T = 10 mins); (b) Background noise LA90,; (c) The level and frequency of occurrence of impulsive or tonal noise and any adjustment and penalties to statistical levels; (d) Atmospheric conditions including temperature, relative humidity and wind speed and directions; (e) Effects due to any extraneous factors such as traffic noise; (f) Location, date and time of monitoring; (g) If the complaint concerns low frequency noise, Max LpLIN,T; (h) If the complaint concerns low frequency noise, one third octave band measurements in dB(LIN) for centre frequencies in the 10 - 200 Hz range.

OFFICIAL Permit Environmental authority P-EA-100832203 D2-4 The method of measurement and reporting of noise levels must comply with the most recent edition of the administering authority's Noise Measurement Manual or the most recent version of AS1055 Acoustics - Description and measurement of environmental noise. Air Blast and Ground Vibration D3-1 The Authority holder must ensure that blasting does not cause the limits for air blast overpressure in Schedule D - Table D2 (Air blast Overpressure Level) and peak particle velocity in Schedule D - Table D3 (Ground Vibration Limits) to be exceeded at any sensitive place or commercial place. Schedule D - Table D2 (Air blast Overpressure Level) Location Monday to Friday 7 am - 6 pm Sundays and Public Holidays 10am - 3pm Saturday 9 am - 6 pm Sensitive or Air blast overpressure level of 115 dB Air blast overpressure level of 115 dB Commercial (linear peak) for nine out of ten (linear peak) for nine out of ten Place consecutive blasts initiated and not consecutive blasts initiated and not greater than 120 dB (linear peak) at any greater than 120 dB (linear peak) at time. any time. Note: The method and measurement and reporting of overpressure levels must comply with the latest edition of the administering authorities guideline on noise and vibration from mining. Schedule D - Table 3 (Ground Vibration Limits) Vibration measured Location Monday to Friday 7am - 6 pm Sundays and public holidays 10am - Saturday 9 am - 6 pm 3pm Sensitive or 5mm/s peak particle velocity for nine (9) 5mm/s peak particle velocity for nine Commercial out of ten (10) consecutive blasts and not (9) out of ten (10) consecutive blasts Place and not greater than 10 mm/s peak greater than 10 mm/s peak particle velocity at any time particle velocity at any time D3-2 When requested by the administering authority, blast monitoring of ground vibration and air blast overpressure must be undertaken within a reasonable and practicable timeframe nominated by the administering authority, to investigate any complaint 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. D3-3 Where blast monitoring detects non-compliance with the limits for air blast overpressure in Schedule D - Table D2 (Air blast Overpressure Level) and peak particle velocity in Schedule D - Table D3 (Ground Vibration Limits): (a) Take steps to ensure compliance is achieved by subsequent blasts; and (b) Continue to monitor all consecutive blasts until at least three (3) successive blasts comply with Schedule D - Table D2 (Air blast Overpressure Level) and Schedule D - Table D3 (Ground Vibration Limits).

OFFICIAL Permit Environmental authority P-EA-100832203 D3-4 The method of measurement and reporting of vibration levels must comply with the most recent edition of the administering authority's guideline Noise and vibration from blasting. END OF SCHEDULE D

OFFICIAL Permit Environmental authority P-EA-100832203 Schedule E - Waste E1-1 A waste management program in accordance with Part 5 of the Environmental Management (Waste Management) Policy 2000 must be developed for the site by 23 January 2026 and immediately implemented and maintained. The waste management program must include: (a) A description of the mining activities that may generate waste; (b) The types and amounts of wastes generated by the mining activities; (c) A program for reusing, recycling or disposing of all wastes; (d) 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 (i.e. avoidance, reuse, recycling, energy recovery, disposal); (e) 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; (f) Procedures for dealing with accidents, spills and other incidents; (g) Details of any accredited management system employed, or planned to be employed, to deal with waste; (h) How often the performance of the waste management program will be assessed; (i) The indicators or other criteria on which the performance of the waste management program will be assessed; and (j) Staff training and induction to the waste management program. E1-2 Procedures for the management and maintenance of sewage treatment facilities and general waste disposal sites must be updated to reflect onsite operations and be made available to the administering authority within 10 Business Days of any request. Waste Disposal E2-1 All general and regulated waste other than authorised under condition (E2-2) must be removed from the site to a facility that is lawfully able to accept the waste under the Environmental Protection Act 1994. E2-2 The only waste that can be disposed of at the licensed place is waste that has been generated on-site, and is limited to: a) Waste rock; b) General waste including construction and demolition waste, green waste and domestic wastes; c) Tyres; and E2-3 Construction and demolition waste may also be disposed of in an open-cut pit or underground provided E2-4 that the material is free of any regulated waste. Unless otherwise permitted by the conditions of this Authority, waste must not be burnt at the licensed place or taken off-site and burnt. An exception is made for timber, explosives boxes and cardboard, which may be stockpiled and burnt at the licensed place for the purpose of conducting fire and safety training

OFFICIAL Permit Environmental authority P-EA-100832203 exercises. All stockpiled timber material and cardboard must be managed in accordance with the general environmental duty so as to prevent contamination of the receiving environment. Regulated waste E3-1 Regulated waste, other than that authorised to be disposed of at the licensed place, may only be removed and transported by a person who holds a current authority to transport such wastes to a facility that is lawfully able to accept the waste under the Environmental Protection Act 1994. E3-2 Regulated waste generated by the mining activity can be temporarily stored at the licensed place awaiting removal provided it is stored to ensure there is minimal risk of causing fire or contamination. E3-3 Each container of regulated waste stored at the licensed place awaiting movement off-site must be clearly marked to identify the contents. E3-4 Hydrocarbon contaminated soils may be treated on site in accordance with an identified treatment for hydrocarbon contaminated soils by agreement with the administering authority. Tyre storage and disposal E4-1 Tyres stored awaiting disposal or transport for take-back and recycling or waste-to-energy options must be stockpiled in volumes less than 3m in height and 200m2 and at least 10m from any other tyre storage area. E4-2 Fire Prevention measures must be implemented including the removal of all combustible materials, including grass and vegetation, within a 10m radius of any tyre storage area. E4-3 Subject to demonstrating to the administering authority that no other use higher in the waste management hierarchy can be practicably implemented, waste tyres generated from mining activities may be disposed of at the licensed place in non-acid-forming waste rock dumps or underground stopes. Waste Rock Management E5-1 By 23 January 2026 the Authority holder must develop and implement a Waste Rock Management Plan, and obtain certification by a suitably qualified person that the plan has addressed the requirements of condition (E5-3) and is in accordance with best practice environmental management prior to disposing of any waste rock. E5-2 The Waste Rock Management Plan must be maintained to include all the requirements under Condition E5-3 and be made available to the administering authority upon any request within 10 business days. E5-3 The Waste Rock Management Plan must include: (a) Provisions for the characterisation of waste rock to predict the quality of runoff and seepage generated, including salinity, acidity, alkalinity, dissolved metals, metalloids and non-metallic inorganic substances. (b) A program of progressive sampling to validate pre-mine waste rock characterisation, at a minimum frequency of one sample for every 50,000 tonnes of waste rock. The waste rock sampling program must include validation of salinity, acid and alkali producing potential and metal concentrations; including, fluoride, antimony, molybdenum, arsenic, chromium, cobalt, nickel, uranium, tin, copper, lead, zinc and cadmium;

OFFICIAL Permit Environmental authority P-EA-100832203 (c) Where the acid rock drainage potential and/or neutral mine drainage potential of waste rock material has not been conclusively determined, geochemical kinetic testing must be conducted to indicate oxidation rates, potential reaction products and effectiveness of control strategies. (d) A record of all waste rock characterisation and an inventory of the quantity of all waste rock stored/located on mining leases that are the subject of this Authority. (e) Contingency planning for the management of acid rock and/or neutral mine drainage for all waste rock stored/located on mining leases that are the subject of this Authority. (f) A materials balance and disposal plan demonstrating how potentially acid forming and acid forming waste rock will be selectively placed and/or encapsulated to minimise the generation of acid mine drainage. (g) A materials balance and disposal plan demonstrating how waste rock that has a potential to generate neutral and/or saline mine drainage will be selectively placed and managed to minimise the generation of neutral and/or saline mine drainage. (h) A sampling program to verify encapsulation and/or placement of potentially acid forming or acid forming waste rock that has a potential to generate acid mine drainage; (i) How often the performance of the plan will be assessed; (j) A Rehabilitation strategy which meets the rehabilitation objectives specified in Schedule F - Table F1 (Rehabilitation Requirements) and the Post Mine Land Use Plan; (k) Monitoring or rehabilitation, research and/or trials to verify the requirements and methods for proposed decommissioning and final rehabilitation of the placed materials, including the prevention and management of acid mine drainage, erosion minimisation and establishment of vegetation cover; (l) Detailed waste rock dump designs that comply with all conditions of this Authority. E5-4 Waste rock dumps must be constructed to prevent any water other than incidental rainfall from entering the waste rock dump. E5-5 Any seepage from waste rock dumps that does not comply with release conditions specified in Schedule C of this Authority must be captured and not released into the receiving environment. E5-6 The Authority holder must submit detailed design plans, including schematic diagrams to the administering authority, at least one (1) month prior to commencing construction of any additional waste rock dump subsequent to the issue of this Authority. Saline, Acid Rock and Metalliferous Drainage E6-1 The Authority holder must ensure proper and effective measures are taken to avoid or otherwise minimise the generation and/or release of saline, acid rock and/or metalliferous drainage. END OF SCHEDULE E

OFFICIAL Permit Environmental authority P-EA-100832203 Schedule F - Land General F1-1 Other than as authorised under this Authority, contaminants must not be released to land in a manner which causes or potentially causes environmental harm. F1-2 Any spillage of wastes, contaminants or other materials must be cleaned up promptly. Such spillages must be cleaned up using dry methods that minimise the release of wastes, contaminants or materials to any stormwater drainage system or waters. Topsoil F2-1 Topsoil and subsoil must be stripped and stockpiled ahead of mining to a depth determined from soil surveys to ensure that useable soil resources are preserved for rehabilitation. F2-2 Topsoil and subsoil stockpiles must be managed to ensure stability and minimise the release contaminants. Measures must include: a) Vegetating stockpiles; and, b) Minimising the height of stockpiles; and, c) Re-using stockpiles as soon as possible. Rehabilitation Objectives F3-1 Land disturbed by mining must be rehabilitated in accordance with Schedule F - Table F1 (Rehabilitation Requirements). Schedule F - Table F1 (Rehabilitation Requirements) Mine Mine Feature Name Rehabilitation Rehabilitation Indicators Completion Domain Criteria Goals Objectives TBD1 Waste Rock Trekelano WRD All land subject Dump (WRD) to and Ore Stockpiles mining activities Open Cut Pit Trekelano must be Inheritance Pit rehabilitated to Dams and Diversions meet the Ancillary Trekelano Pit requirements of Infrastructure the administering Roads and authorities Tracks Trekelano Sediment Dam Guideline - TBD1 TBD1 Rehabilitation Requirements for Mining Projects Trekelano Camp/Office and will be defined in the Post Mine Land Use Plan. Trekelano 1 Post mine land use, rehabilitation indicators and completion criteria are to be nominated in accordance with Condition (F51). Rehabilitation Landform Criteria F4-1 Progressive rehabilitation must commence within twelve (12) months of any area becoming available within the operational land, and must be in accordance with Post Mine Land Use required under condition F5-1. Progressive rehabilitation must occur where possible before the onset of the wet season.

OFFICIAL Permit Environmental authority P-EA-100832203 F4-2 Rehabilitated areas must be managed to minimise the proliferation of species not consistent with rehabilitation objectives. F4-3 All land subject to mining activities must be rehabilitated to: a) Stable landforms with a self-sustaining vegetation cover and species that are similar to adjoining undisturbed areas; b) Safe landforms, which are non-polluting, geo-chemically and geo-technically stable. c) Ensure that any final landforms do not require ongoing maintenance; and d) Ensure that the maintenance requirements for rehabilitated land are no greater than that required for the land prior to its disturbance by mining activities. F4-4 Maintenance of rehabilitated areas must take place to ensure and demonstrate that: (a) Landforms are stable; (b) Erosion control measures remain effective; (c) Stormwater runoff and seepage from rehabilitated areas does not negatively affect the environmental values of any waters; (d) Plants show healthy growth and recruitment is occurring; and (e) Rehabilitated areas are free of any declared pest species. F4-5 Rehabilitation can be considered successful when: a) The site can be managed for its designated land-use (e.g. similar to that of surrounding undisturbed areas); b) No greater management input is required than for other land in the area being used for a similar purpose and there is evidence that the rehabilitation has been successful for at least three (3) years; c) The rehabilitation is carried out in accordance with the requirements, objectives indicators and completion criteria as specified in Schedule F - Table F1 (Rehabilitation Requirements) and in the Post Mine Land Use Plan; and d) Written agreement is obtained from the landowner/holder and the administering authority. Post Mine Land Use Plan F5-1 The Authority holder must develop and submit to the administering authority a Post Mine Land Use Plan (PMLUP) by 1 January 2013. The PMLUP must describe how the rehabilitation objectives in Schedule F - Table F1 (Rehabilitation Requirements) will be achieved. The Post Mine Land Use Plan must include: (a) Schematic representation of final land form inclusive of drainage features; (b) Slope design; (c) Cover design; (d) Drainage design; (e) Erosion controls proposed on reformed land;

OFFICIAL Permit Environmental authority P-EA-100832203 (f) Description of experimental design for monitoring of analogue and rehabilitated areas inclusive of statistical design; (g) Proposed revegetation methods inclusive of plant species selection, re-profiling, respreading soil, soil ameliorants/amendments, surface preparation and method of propagation; (h) Materials balance including available top soil and low permeability capping material ; (i) Geotechnical, geochemical and hydrological studies; (j) Chemical, physical and biological properties of soil and water; (k) Nominate performance criteria for the cover system; and (l) A rehabilitation monitoring program. Rehabilitation Monitoring Program F6-1 A rehabilitation monitoring program must be developed and be implemented on commencement of rehabilitation identified in Schedule F - Table F1 (Rehabilitation Requirements) by a suitably qualified person nominated by the Authority holder who possesses appropriate qualifications and experience in the field of mine site rehabilitation. F6-2 The Authority holder must conduct rehabilitation monitoring in accordance with the program developed in condition (F6-1) on at least a yearly basis which must include sufficient spatial and temporal replication to enable scientifically justifiable conclusions as established under the rehabilitation program or other methodology to the satisfaction of the administering authority. F6-3 Verification of rehabilitation success is to be carried out for each mine domain. Monitoring must be carried out for each mine domain identified in Schedule F - Table F1 (Rehabilitation Requirements) at a minimum sampling intensity that includes sufficient replication to enable statistical analysis of results at an acceptable power. F6-4 From 1 January 2017, the environmental authority holder must complete and document an annual review on the performance of all Tailings Storage Facility rehabilitation, including at minimum: a) A comparison of measured cover system performance with predicted/modelled performance and cover system design specifications. b) An assessment of revegetation success in consideration of the approved post mine land-use. c) The function of vegetation as part of the cover system with regard to stability and erosion resistance. d) The presence and extent of differential settlement and/or subsidence. e) Erosion of rehabilitated areas. f) Seepage rates and quality. F6-5 From 1 June 2022, a summary of the annual reviews conducted in accordance with condition F6-4 must be summarised on a three yearly basis and submitted to the administering authority upon request. Post Closure Management Plan F7-1 A Post Closure Management Plan for the site must be prepared at least thirty-six (36) months prior to final production onsite and implemented for a nominal period of: (a) At least thirty (30) years following final production at the licensed place; or (b) A shorter period if:

OFFICIAL Permit Environmental authority P-EA-100832203 (i) The site is proven to be geo-technically and geo-chemically stable; and, (ii) It can be demonstrated to the satisfaction of the administering authority that no release of contaminants from the site will result in environmental harm; and, (iii) Be prepared at least six (6) months prior to final production onsite. F7-2 The Post Closure Management Plan must include the following elements: (a) Operation and maintenance of: (i) Wastewater collection and reticulation systems; (ii) Wastewater treatment systems; (iii) The groundwater monitoring network; (iv) Final cover systems; and (v) Vegetative cover. (b) Monitoring of: (i) Surface water quality; (ii) Groundwater quality; (iii) Seepage rates; (iv) Erosion rates; (v) The integrity and effectiveness of final cover systems; (vi) The health and resilience of vegetative cover. Infrastructure F8-1 All buildings, structures, mining equipment and plant erected and/or used for the mining activities must be removed from the site prior to surrender, except where d to in writing by the administering authority and the landowner. Chemicals and Flammable or Combustible Liquids F9-1 All explosives, hazardous chemicals, corrosive substances, toxic substances, gases, flammable or combustible liquids and dangerous goods must be stored and handled in accordance with the current, relevant Australian Standard where such is applicable. F9-2 Notwithstanding the requirements of any Australian Standard, any liquids stored at the licensed place that have the potential to cause environmental harm must be stored in or serviced by an effective containment system that is impervious to the materials stored and managed to prevent the release of liquids to waters or land. F9-3 Where no relevant Australian Standard is available, the following must be applied: (a) Storage tanks must be bunded so that the capacity and construction of the bund is sufficient to contain at least 110% of a single storage tank or 100% of the largest storage tank plus 25% of the second largest storage tank in multiple storage areas; and (b) Drum storages must be bunded so that the capacity and construction of the bund is sufficient to contain at least 25% of the maximum design storage volume within the bund. F9-4 All containment systems must be designed to minimise rainfall collection within the system.

OFFICIAL Permit Environmental authority P-EA-100832203 Residual Voids F10-1 Residual voids must not cause any serious environmental harm to land, surface waters or any recognised groundwater aquifer, other than the environmental harm constituted by the existence of the residual void itself, and subject to any other condition within this Authority. F10-2 The holder must manage residual voids and any void resulting from mining activities during the operation and decommissioning phases to maximise the potential post mine beneficial uses, by consideration of the following: (a) Limiting sulphide exposures in void walls; (b) Capping of sulphide exposures in void base; (c) Limiting the period of exposure of sulphides in void walls and base to oxidising conditions; (d) Managing the catchment which reports to the void; and (e) Geo-technical stability of final void. F10-3 The Authority holder must complete an investigation into the management of residual voids and beneficial post mine land use options for residual voids, and provide a report to the administering authority by 1 March 2013. The investigation must include at a minimum: (a) Options available for minimising final void area and volume; (b) Final potential wall and base rock exposure quality in terms of acid producing potential and levels of environmentally relevant salts and metals; (c) A void hydrology study, addressing the long-term water balance in the voids, connections to groundwater resources and water quality parameters in the long-term, including assessment of potential final void water quality; (d) Measures for preventing any contaminated water in the pit entering groundwater; (e) Management options for maximising final void water quality; (f) A pit wall stability study, considering the effects of long-term erosion and weathering of the pit wall and the effects of significant hydrological events; (g) A study of void capability to support native flora and fauna; (h) Identification of end of mine void rehabilitation success criteria, final void areas and volumes and suitability/options for beneficial post mine land use. F10-4 The Authority holder must provide a Residual Void Rehabilitation Plan to the administering authority by 1 March 2013 for review and comment. The Plan must be based on the outcomes of the investigation undertaken for condition (F10-4), and at a minimum propose: (a) Decommissioning strategies for residual voids; (b) Final landform design criteria for residual voids ; (c) Final landform acceptance criteria for residual voids. (d) On acceptance of the criteria proposed in the Residual Void Rehabilitation Plan by the administering authority, the criteria must be specified in the Authority. Biodiversity

OFFICIAL Permit Environmental authority P-EA-100832203 F11-1 In the event of identification of rare or threatened species at the licensed place, a diagrammatic representation of the species occurrence relative to operations together with a management and monitoring strategy for species conservation must be prepared to the satisfaction of the administering authority. F11-2 The holder of this environmental authority must provide an offset for impacts on state significant biodiversity values, in accordance with the Queensland Biodiversity Offset Policy. The biodiversity offset must be consistent with the offset identified in the Biodiversity Offset Strategy (as per condition F11-3) and must be either: (a) legally secured prior to impacting on state significant biodiversity values; or (b) where a land based offset is to be provided, legally secured within twelve (12) months of the later of either of the following: i) the date of issue of this environmental authority; or ii) the relevant stage identified in the Biodiversity Offset Strategy submitted under condition F11- 3(e); or (c) where an offset payment is to be provided, paid to Balance of the Earth Trust within four (4) months of the later of either of the following: i) the date of issue of this environmental authority; or ii) the relevant stage identified in the Biodiversity Offset Strategy submitted under condition F11- 3(e). F11-3 A Biodiversity Offset Strategy must be developed and submitted to the administering authority thirty (30) days, or a lesser time period agreed to by administering authority, prior to impacting on state significant biodiversity values. The Biodiversity Offset Strategy must be at a standard accepted by the administering authority before impact on state significant biodiversity values can occur. The Biodiversity Offset Strategy must include, at a minimum: (a) demonstration that the activity has avoided or minimised impacts to state significant biodiversity values; (b) where there will be impacts to State significant biodiversity values, a detailed description of the values that will be impacted, and the extent of that impact; (c) mapping that details the surveyed locations of any state significant biodiversity values at the licensed place; (d) results of a flora and fauna assessment of the affected area to determine if the operations will directly impact on any state significant biodiversity values detailed in the Queensland Biodiversity Offset Policy; (e) project stages for the provision of offsets (f) the proposed offset delivery mechanism for each stage (g) where an offset transfer is proposed, or where a land based offset is to be secured within twelve (12) months of commencement of the relevant stage, evidence that an offset can be located within the landscape; and (h) an ecological equivalence assessment where required by the Queensland Biodiversity Offset Policy.

OFFICIAL Permit Environmental authority P-EA-100832203 F11-4 Significant residual impacts to prescribed environmental matters are not authorised under this environmental authority or the Environmental Offsets Act 2014. F11-5 Records demonstrating that each impact to a prescribed environmental matter did not, or is not likely to, result in a significant residual impact to that matter must be: a) completed by an appropriately qualified person; and b) kept for the life of the environmental authority. Contaminated Land F13-1 Prior to making an application for Surrender or approval for Progressive Rehabilitation, the Authority holder must undertake a contaminated land assessment/investigation of the relevant areas of the licensed place in accordance with the administering authority's Guideline for the Assessment and Management of Contaminated Land in Queensland. F13-2 Soil monitoring of copper must be referenced to the levels for public open space land use that are site specifically determined in accordance with the Ecological Investigation Levels (EILs) in the National Environment Protection (Assessment of Site Contamination) Measure or any approved variation thereof. F13-3 In the event that levels of copper are increasing and approach the site specific EILs, dust emission and water transport controls must be reviewed and improved to further minimise the spread of contamination into undisturbed areas. F13-4 Aboriginal cultural heritage surveys must be undertaken prior to conducting the works set out in condition (F13-6). Remedial works must be conducted in a manner that does not impact upon identified cultural heritage areas. END OF SCHEDULE F

OFFICIAL Permit Environmental authority P-EA-100832203 Definitions Words and phrases used throughout this licence are defined below except where identified in the Environmental Protection Act 1994 or subordinate legislation. Where a word or term is not defined, the ordinary English meaning applies, and regard should be given to the Macquarie Dictionary. Interpretation "EIS" means the environmental impact statement titled `Initial Environmental Advice Statement, Osborne Project NWQLD' and dated April 1993. Although legally the Authority is the enforceable document, not the EIS, if there was any need for interpretation of the conditions, then the interpretation should be in the context of the EIS if applicable. Definitions "acceptance criteria" means the measures by which the actions implemented to rehabilitate the land are deemed to be complete (same as completion criteria). "administering authority" means: (a) for a matter, the administration and enforcement of which has been devolved to a local government under section 514 - the local government; or (b) for another matter - the chief executive. "air blast overpressure" means energy transmitted from the blast site within the atmosphere in the form of pressure waves. As these waves pass a given position, the pressure of the air rises very rapidly then falls more slowly then returns to the ambient value after a number of oscillations. The pressure wave consists of both audible (noise) and inaudible (concussion) energy. The maximum excess pressure in this wave, above ambient pressure is the peak airblast overpressure measured in decibels linear (dB) using the linear frequency-weighting. "ambient (or total) noise" at a place, means the level of noise at the place from all sources (near and far), measured as the Leq for an appropriate time interval. "ANZECC (2000) guidelines" means the Australian and New Zealand Guidelines for Fresh and Marine Water Quality (2000) published by the Australian and New Zealand Environment and Conservation Council and the Agriculture and Resource Management Council of Australia and New Zealand. "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. "ARD" means acid rock drainage and refers to the low pH, high heavy metal pollutant typical of sulphidic mine wastes, and most commonly associated with the production of ferrous iron and sulphuric acid through the oxidation of sulphide minerals. "ARI" or Average Recurrence Interval means the average, or expected value of the periods between exceedences of a given rainfall total accumulated over a given duration. "assess" by a suitably qualified and experienced person in relation to a hazard 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 at any time: - exactly what has been assessed and the precise nature of that assessment; - the relevant legislative, regulatory and technical criteria on which the assessment has been based;

OFFICIAL Permit Environmental authority P-EA-100832203 - 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 - the reasoning on which the assessment has been based using the relevant data and facts, and the relevant criteria. "Authority" means an Environmental Authority (mining activities) issued pursuant to the Environmental Protection Act 1994. "Authority holder" or "holder" means the holder of this Environmental Authority. "benign waste rock" means rock that has been characterised as non-acid producing. "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. its successor. "commercial place" means a place used as an office or for business or commercial purposes, other than a place within the boundaries of the operational land "dB (linear) peak" is the maximum reading in decibels (dB) obtained using the :P" time - weighting characteristic as specified in AS 1259.1 - 1990 with all frequency- weighted networks inoperative. "commissioning" means when all systems and equipment required for commercial operation of the plant have been implemented and are fully operational, and the plant is generating electricity at design steady-state conditions for at least two weeks, then the Plant will be deemed to have been commissioned for the purpose of this authority. Commissioning is the end of the preparation phase in order to start operating and producing electricity commercially. This includes the completion of all performance tests and the combustion tuning of the gas turbines. "competent person" means a person with the demonstrated skill and knowledge required to carry out the task to a standard necessary for the reliance upon collected data or protection of the environment. "construction and demolition waste" means waste generated as a result of construction or demolition as defined in the Waste Reduction and Recycling Regulation 2011. "dam" means a land-based structure or a void that is designed to contain, divert or control flowable substances, and includes any substances that are thereby contained, diverted or controlled by that land-based structure or void and associated works. A dam does not mean 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. "event based" means a storm event producing sufficient water to permit a monitoring creek bed flow of 30cm or more at the sampling station. "environment" includes: (a) Ecosystems and their constituent parts, including people and communities; and (b) All natural and physical resources; and (c) The qualities and characteristics of locations, places and areas, however large or small, that contribute to their biological diversity and integrity, intrinsic or attributed scientific value or interest, amenity, harmony and sense of community; and,

OFFICIAL Permit Environmental authority P-EA-100832203 (d) The social, economic, aesthetic and cultural conditions that affect or are affected by, things mentioned in paragraphs (a) to (c). "Environmental Authority" means a license or approval issued pursuant to the Environmental Protection Act 1994. "flow event" means a surface water flow that occurs as a result of rainfall. "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 Site Water Management Technical Guideline for Environmental Management of Exploration and Mining in Queensland (DME 1995) "LA 10, adj, 10 min" means the A-weighted sound pressure level, (adjusted for tonal character and impulsiveness of the sound) exceeded for 10% of any 10 minute measurement period, using Fast response. "LA 1, adj, 10 min" means the A-weighted sound pressure level, (adjusted for tonal character and impulsiveness of the sound) exceeded for 1% of any 10 minute measurement period, using Fast response "LA, max adj, T" means the average maximum A-weighted sound pressure level, adjusted for noise character and measured over any 10 minute period, using Fast response. "land" in the "land schedule" of this document means land excluding waters and the atmosphere. "land capability" as defined in the DME 1995 Technical Guidelines for the Environmental Management of Exploration and Mining in Queensland. "land suitability" as defined in the DME 1995 Technical Guidelines for the Environmental Management of Exploration and Mining in Queensland. "land use" term to describe 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. "licensed place" means all areas covered by a Mining Lease/s listed in this Environmental Authority. "mandatory reporting level" or "MRL" means a warning and reporting level determined in accordance with the Site Water Management Technical Guideline for Environmental Management of Exploration and Mining in Queensland (DME 1995). An MRL is the lowest level required in a regulated dam to allow either of the following to be retained: - the runoff from a 72 hour duration storm at the ARI specified in Schedule G - Table G3 (Hydraulic Performance of Regulated Dams); or - a wave allowance at that ARI as estimated using a recognised engineering method "material change" means a different mining method, or changes to processing method, that changes the impact of the mining operation. "N m3" or "normal cubic metre" means the volume of a dry gaseous contaminant occupying 1 cubic metre at a temperature of zero degrees Celsius and at an absolute pressure of 101.3 kilopascals. "offensive" means causing reasonable offence or displeasure; is disagreeable to the sense; disgusting, nauseous or repulsive, other than trivial harm.

OFFICIAL Permit Environmental authority P-EA-100832203 "PAF" means potentially acid forming waste rock "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 (mms-1). "Prescribed environmental matters" has the meaning in section 10 of the Environmental Offsets Act 2014, limited to the matters of state environmental significance listed in schedule 2 of the Environmental Offsets Regulation 2014. "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. "progressive rehabilitation" means rehabilitation (defined below) undertaken progressively or a staged approach to rehabilitation as mining operations are ongoing. "rare or threatened species" means species listed as `rare', `vulnerable' or `endangered' as protected under the Nature Conservation Act 1992. "regulated dam" means any dam in the significant or high hazard category as assessed using the Site Water Management Technical Guideline for Environmental Management of Exploration and Mining in Queensland (DME1995). "rehabilitation" the process of reshaping and revegetating land to restore it to a stable landform and in accordance with the acceptance criteria set out in this Environmental Authority and, where relevant, includes remediation of contaminated land. "release event" means a surface water release from 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. "sediment dam" means sedimentation dams as defined in the Site Water Management Technical Guideline for Environmental Management of Exploration and Mining in Queensland (DME 1995). "self sustaining" means an area of land which has been rehabilitated and has maintained the required acceptance criteria without human intervention for a period nominated by the administering authority. "sensitive place" means; - a dwelling, residential allotment, mobile home or caravan park, residential marina or other residential premises; or - a motel, hotel or hostel; or an educational institution; or - a medical centre or hospital; or - a protected area under the Nature Conservation Act 1992, the Marine Parks Act 1992 or a World Heritage Area; or - a public park or gardens; or

OFFICIAL Permit Environmental authority P-EA-100832203 - a place used as a workplace, 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. "significant disturbance" - includes: - areas where soil has been compacted, removed, covered, exposed or stockpiled; - areas where vegetation has been removed or destroyed to an extent where the land has been made susceptible to erosion; (vegetation and topsoil) - areas where land use suitability or capability has been diminished; - areas within a watercourse, waterway, wetland or lake where mining activities occur; - areas submerged by tailings or hazardous contaminant storage and dam walls in all cases; - areas under temporary infrastructure. Temporary infrastructure includes any infrastructure (roads, tracks, bridges, culverts, dams, bores, buildings, fixed machinery, hardstand areas, airstrips, helipads etc) which is to be removed after mining activities have ceased; or - areas where land has been contaminated. "Significantly disturbed land" - Land is significantly disturbed if - (a) it is contaminated land; or (b) it has been disturbed and human intervention is needed to rehabilitate it and includes: - areas where soil has been compacted, removed, covered, exposed or stockpiled; - areas where vegetation has been removed or destroyed to an extent where the land has been made susceptible to erosion; (vegetation and topsoil) - areas where land use suitability or capability has been diminished; - areas within a watercourse, waterway, wetland or lake where mining activities occur; - areas submerged by tailings or hazardous contaminant storage and dam walls in all cases; - areas under temporary infrastructure. Temporary infrastructure includes any infrastructure (roads, tracks, bridges, culverts, dams, bores, buildings, fixed machinery, hardstand areas, airstrips, helipads etc) which is to be removed after mining activities have ceased; or - areas where land has been contaminated. However, the following areas are not included: - areas off lease (e.g. roads or tracks which provide access to the mining lease); - areas previously significantly disturbed which have achieved the rehabilitation outcomes; - by agreement with the EPA, areas previously significantly disturbed which have not achieved the rehabilitation objectives due to circumstances beyond the control of the mine operator (such as climatic conditions); - areas under permanent infrastructure. Permanent infrastructure includes any infrastructure (roads, tracks, bridges, culverts, dams, bores, buildings, fixed machinery, hardstand areas, airstrips, helipads etc) which is to be left by agreement with the landowner. The agreement to leave permanent infrastructure must be recorded in the Landowner Agreement and lodged with the EPA; - disturbances that pre-existed the grant of the tenure unless those areas are disturbed during the term of the tenure. Significant residual impact is defined in section 8 of the Environmental Offsets Act 2014.

OFFICIAL Permit Environmental authority P-EA-100832203 "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. "stable" means geotechnical stability of the rehabilitated landform where instability related to the excessive settlement and subsidence caused by consolidation / settlement of the wastes deposited, and sliding / slumping instability has ceased. "suitably 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 relative to the subject matter using the relevant protocols, standards, methods or literature. "suitably qualified engineer" in relation to dams means a person who is a Registered Professional Engineer of Queensland (RPEQ) under the provisions of the Professional Engineers Act 1988, OR registered as a National Professional Engineer (NPER) with the Institution of Engineers Australia, OR holds equivalent professional qualifications to the satisfaction of the administering authority for the Act; AND the administering authority for the Act is satisfied that person has knowledge, suitable experience and demonstrated expertise in relevant fields, as set out below: a) knowledge of engineering principles related to the structures, geomechanics, hydrology, hydraulics, chemistry and environmental impact of dams; and b) a total of five years of suitable experience and demonstrated expertise in the geomechanics of dams with particular emphasis on stability, geology and geochemistry, and c) a total of five years of suitable experience and demonstrated expertise each, in three of the following categories: - investigation and design of dams - construction, operation and maintenance of dams - hydrology with particular reference to flooding, estimation of extreme storms, water management or meteorology - hydraulics with particular reference to sediment transport and deposition, erosion control, beach processes - hydrogeology with particular reference to seepage, groundwater - solute transport processes and monitoring thereof - dam safety "waters" includes river, stream, lake, lagoon, pond, swamp, wetland, unconfined surface water, unconfined water natural, bed and bank of any waters, dams, non-tidal or tidal waters (including the sea), and any under ground water, any part-thereof.

OFFICIAL Permit Environmental authority P-EA-100832203 Appendices Schedule I - Maps/Plans Schedule I - Figure 1(a) (Surface Water and Groundwater Monitoring Locations; Trekelano)

OFFICIAL Permit Environmental authority P-EA-100832203 Schedule I - Figure 1(a) (Surface Water and Groundwater Monitoring Locations; Trekelano)

OFFICIAL Permit Environmental authority P-EA-100832203 END OF CONDITIONS FOR SCHEDULE I END OF ENVIRONMENTAL AUTHORITY