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Hydrocarbon Management Handbook ver. 5.1 2023_Preview

c Document Title Approved By Effective Date Uncontrolled Document Hydrocarbon Management Handbook When Printed or Out of HSE Info KTT & GM HSES 17 January 2024 Doc Registration No. Version Next Review Due Page c of 51 ENV_KPC_KPC_MSE2.06_DOC_MANe_004 5.1 16 January 2029 ASHOK MITRA Chief Executive Officer 07 Februari 2024 HENDRO ICHWANTO Chief Operating Officer/Kepala Teknik Tambang 07 Februari 2024 SUBHASHISH DATTA Chief Financial Officer 07 Februari 2024 VISI: Perusahaan terkemuka Indonesia dalam penyediaan batubara dan produk-produk hilirnya yang memberikan dilai optimal bagi seluruh pemangku kepentingan. MISI: 1. Menempatkan fokus utama pada kesehatan dan keselamatan para karyawan, serta pengelolaan lingkungan yang berkomitmen untuk emisi nol bersih. 2. Memperjuangkan tata kelola, hak asasi manusia, dan kesejahteraan masyarakat yang berkelanjutan. 3. Mendorong pertumbuhan melalui pembelajaran berkesinambungan, inovasi digital, praktik berkelanjutan, serta keunggulan operasional untuk mengoptimalkan nilai bagi seluruh pemangku kepentingan. NILAI-NILAI: Keunggulan, Integritas, Kerjasama, Resiliensi, Akuntabilitas. VISION: Indonesia’s leaders in the supply of coal and downstream products delivering optimum value to all stakeholders. MISSION: 1. Placing a paramount focus on the health and safety of our people, as well as environmental stewardship committing to the pursuit of net-zero emissions. 2. Championing governance, human rights, and sustainable community well-being. 3. Fueling growth through continuous learning, digital innovation, sustainable practices, and operational excellence to optimise returns for all stakeholders. VALUES: Mastery, Integrity, Teamwork, Resilience, Accountability. KEBIJAKAN KESELAMATAN PERTAMBANGAN, LINGKUNGAN HIDUP, DAN KEAMANAN MINING SAFETY, ENVIRONMENT, AND SECURITY POLICY Management and employees of PT Kaltim Prima Coal (KPC) are committed to achieve excellent performance and continual improvement in the areas of occupational health and safety, mining operation safety, environment, and security, in alignment with the Vision, Mission and Values of the Company. In realizing these commitments, KPC will: • Comply with all applicable government rules and regulations and other relevant requirements. • Meet the requirements of all stakeholders including employees, local community, government, shareholders, contractors, suppliers and customers. • Implement management system that defines elements, standards, and procedures applicable in all KPC operational area to continually identify and control the risks of OHS, mining operation safety, environment, and security. • Plan, implement, measure, report and review OHS, mining safety, environment, and security objectives, targets, and programs regularly. • Endorse mining employees’ involvement in OHS, mining operation safety, environment, and security aspects. • Conduct regular independent audits of OHS, mining operation safety, environment, and security. • Optimize the conservation of coal reserves to support sustainability development. • Implement the principles of good mining services governance, including the application of good mining practice principles for service businesses in accordance with regulations. OCCUPATIONAL HEALTH AND SAFETY POLICY KPC commits to provide working environment in which KPC and its contractor’s employees can perform their work free from accidents and work-related illnesses. Occupational Health and Safety must become priority in all aspects of the Company’s operations. All parties, including KPC and contractor’s employees, have shared responsibilities to work in safe manner in accordance with KPC occupational health and safety standards and procedures. They also have responsibilities to develop and motivate safe and healthy behaviour. MINING OPERATION SAFETY POLICY KPC commits to create operational environment in which KPC and contractors’ employees can perform their operations in a productive, efficient, and safe manner, free from incidents which may result in loses or production stoppage. This includes: • Developing and maintaining management systems and conducting maintenance for tools, infrastructures, installation, and mining equipment. • Ensuring installation protection. • Ensuring readiness of tools, infrastructures, installation, and mining equipment. • Ensuring competency of technical personnel. • Conducting evaluation on mining technical report. • Conducting continuous improvement of mining operations safety to prevent from property damage and production stoppage. • Developing a safe, efficient, and productive mining operations. ENVIRONMENTAL POLICY KPC commits to effectively manage the environmental impacts resulting from its operations. This includes: • Preventing pollution. • Returning all mined areas to a safe, stable, and productive state in accordance with mine closure plan. • Maintaining biodiversity. • Implementing water conservation. • Implement energy efficiency and climate change mitigation, as well as participate in efforts towards net zero emissions. Environmental impacts must be considered in all aspects of the company’s operations, and all KPC and its contractor’s employees must act in environmentally responsible manner. SECURITY POLICY All parties, including KPC and its contractor’s employees, have shared responsibility to create conducive security condition in the working areas. KPC management conduct initiatives to secure its personnel and both physical and non-physical assets. KPC management also implement integrated security concepts that integrate elements of internal security, POLRI/ TNI, and community to minimize disruption of company’s operations in order to ensure KPC’s business continuity. KPC commits to provide leadership, resources, and supports to achieve maximal results in the mining safety, environment, and security aspects. Manajemen PT Kaltim Prima Coal (KPC) dan para karyawannya bertekad untuk mencapai kinerja yang terbaik dan peningkatan yang terus menerus di bidang keselamatan dan kesehatan kerja karyawan, keselamatan operasi pertambangan, lingkungan, dan keamanan, yang selaras dengan Visi, Misi dan Nilai-Nilai Perusahaan. Dalam merealisasikan komitmen ini, KPC akan: • Mematuhi semua perundangan-undangan dan peraturan pemerintah yang berlaku serta persyaratan lain yang relevan. • Memenuhi harapan yang realistis semua pemangku kepentingan, termasuk karyawan, masyarakat setempat, pemerintah, pemegang saham, kontraktor, pemasok, dan pembeli. • Menerapkan sistem manajemen yang menetapkan elemen, standar, dan prosedur yang berlaku di seluruh wilayah operasional KPC untuk secara terus menerus mengidentifikasi dan mengontrol risiko K3, keselamatan operasi pertambangan, lingkungan, dan keamanan. • Merencanakan, melaksanakan, mengukur, melaporkan dan mengkaji ulang secara teratur tujuan, sasaran, dan program K3, keselamatan operasi pertambangan, lingkungan dan pengamanan. • Mendukung keterlibatan pekerja tambang dalam aspek K3, keselamatan operasi pertambangan, lingkungan dan pengamanan. • Melaksanakan audit independen secara teratur atas kinerja K3, keselamatan operasi pertambangan, lingkungan, dan pengamanan. • Mengoptimalkan konservasi cadangan batubara untuk mendukung pembangunan berkelanjutan. • Menerapkan prinsip-prinsip pengelolaan jasa pertambangan yang baik, termasuk penerapan kaidah teknik pertambangan usaha jasa sesuai ketentuan perundangan. KEBIJAKAN KESELAMATAN DAN KESEHATAN KERJA KPC bertekad untuk memberikan lingkungan kerja di mana karyawan KPC dan kontraktornya dapat melaksanakan pekerjaan mereka bebas dari kecelakaan dan penyakit akibat kerja. Kesehatan dan keselamatan kerja harus mendapatkan prioritas dalam semua aspek operasional perusahaan. Semua pihak, termasuk karyawan KPC dan kontraktor, memiliki tanggung jawab bersama untuk bekerja dengan aman dan sehat sesuai dengan prosedur dan standar keselamatan dan kesehatan kerja KPC. Mereka juga memiliki tanggung jawab untuk mengembangkan dan membangun perilaku aman dan sehat. KEBIJAKAN KESELAMATAN OPERASI PERTAMBANGAN KPC bertekad untuk memberikan lingkungan operasi dimana karyawan KPC dan kontraktornya dapat menjalankan operasinya dengan cara yang produktif, efisien dan aman, bebas dari kejadian yang berakibat kehilangan atau terhentinya produksi. Hal ini meliputi: • Membangun dan mengelola sistem manajemen serta melaksanakan perawatan sarana, prasarana, instalasi, dan peralatan tambang. • Memastikan pengamanan instalasi. • Memastikan kelayakan sarana, prasarana, instalasi, dan peralatan pertambangan. • Memastikan kompetensi tenaga teknik. • Melakukan evaluasi laporan kajian teknis pertambangan. • Melaksanakan peningkatan berkelanjutan kinerja keselamatan operasi pertambangan dalam upaya mencegah kerusakan aset dan terhentinya produksi. • Menciptakan kegiatan operasional tambang yang aman, efisien, dan produktif. KEBIJAKAN LINGKUNGAN KPC bertekad untuk secara efektif mengelola dampak lingkungan hidup sebagai akibat dari kegiatan operasinya. Hal ini meliputi: • Mencegah pencemaran. • Mengembalikan semua areal pascatambang ke dalam kondisi yang aman, stabil, dan produktif sejalan dengan rencana pascatambang. • Memelihara keanekaragaman hayati. • Melaksanakan upaya konservasi air. • Melaksanakan efisiensi energi dan mitigasi perubahan iklim, serta berpartisipasi dalam upaya menuju emisi nol bersih. Dampak lingkungan hidup harus dipertimbangkan di dalam semua aspek kegiatan operasional perusahaan dan semua karyawan KPC dan kontraktornya harus bertindak secara bertanggung jawab terhadap lingkungan hidup. KEBIJAKAN KEAMANAN Semua pihak, termasuk karyawan KPC dan kontraktornya, memiliki tanggung jawab bersama untuk menciptakan kondisi keamanan yang kondusif di wilayah kerja. Manajemen KPC melakukan inisiatifinisiatif pengamanan personil dan aset fisik maupun non-fisik. Manajemen KPC juga menerapkan konsep-konsep pengamanan terpadu yang memadukan unsur pengamanan internal, Polri/TNI, dan masyarakat dalam rangka meminimalkan gangguan terhadap operasional perusahaan untuk memastikan keberlangsungan bisnis KPC. Manajemen KPC memiliki tekad untuk memberikan kepemimpinan, sumber daya, dan dukungan untuk mencapai hasil yang maksimal di bidang keselamatan pertambangan, lingkungan, dan

i Document Title Approved By Effective Date Uncontrolled Document Hydrocarbon Management Handbook When Printed or Out of HSE Info KTT & GM HSES 17 January 2024 Doc Registration No. Version Next Review Due Page i of 51 ENV_KPC_KPC_MSE2.06_DOC_MANe_004 5.1 16 January 2029 TABLE OF CONTENT Chapter 1. Introduction......................................................................................................................................... 1 Chapter 2. Related Laws and Regulations............................................................................................................... 1 Chapter 3. Environmental Monitoring...................................................................................................................... 3 Chapter 4. OSI and INTERNA ............................................................................................................................... 3 Chapter 5. Responsibility ...................................................................................................................................... 3 Chapter 6. KPC Hydrocarbon Management Requirements......................................................................................... 4 Chapter 7. KPC Hydrocarbon Management Procedure (HMP) ................................................................................... 5 HMP 1: Prevention of Environmental Pollution Due to Hydrocarbons..................................................................6 HMP 2: Hydrocarbon Storage Facility and Complementaries............................................................................7 HMP 3: Workshops and Fuel Stations ...........................................................................................................11 HMP 4: Dynamic Portable Tank (Tanker) ......................................................................................................14 HMP 5: Maintenance of Storage Tanks and Underground Pipelines..................................................................16 HMP 6: Oil Trap and Silt Trap Requirements .................................................................................................19 HMP 7: Hydrocarbon Spill Response ...........................................................................................................21 HMP 8: Closure and/or Liability Transfer of Hydrocarbon Facilities....................................................................24 Chapter 8. Authorization Work Flow…......................................................................................................................27 Appendix 1 Checklist for Hydrocarbon Management in Workshop ...............................................................................28 Appendix 2 Mine Site Hydrocarbon Tank Checklist ...................................................................................................29 Appendix 3 Heavy Equipment Repair Checklist In Minesite..........................................................................................30 Appendix 4 Oil Trap Checklist ...............................................................................................................................31 Appendix 5 Sludge and water checklist board on oil trap……….........…………………………………………………………32 Appendix 6 Hydrocarbon and Waste Management Inspection Checklist ......................................................................33 Appendix 7 Waste Management Procedure (WMP) 16 - Hydrocarbon and Waste Management Inspection .......................40 Appendix 8 Picture of KPC Hydrocarbon Facilities ....................................................................................................46

1 Document Title Approved By Effective Date Uncontrolled Document Hydrocarbon Management Handbook When Printed or Out of HSE Info KTT & GM HSES 17 January 2024 Doc Registration No. Version Next Review Due Page 1 of 51 ENV_KPC_KPC_MSE2.06_DOC_MANe_004 5.1 16 January 2029 CHAPTER 1. INTRODUCTION KPC mining use more than 700,000 tons of diesel fuel per year and a large amount of oil, grease, and oil. The huge usage of hydrocarbons in more than 20 (twenty) workshops and more than 20 (twenty) fuel stations in the mining area has the potential to spill and cause negative impacts on the environment. In addition, the hydrocarbon materials which used will potentially become hazardous waste (B3 waste). Proper and correct management must be carried out to prevent a detrimental impact on humans and the environment. The negative impacts that can occur in the environment due to unmanaged hydrocarbons are water and soil pollution, which will result in: • the death of plants, • the death of fish and other aquatic life, • impact on downstream water users • the generation of derivative waste due to pollution, and • violation of operational requirements. This handbook contains requirements and procedures for hydrocarbon management (fuel, oil, and lubricants) in KPC’s working area as the company’s commitment to pollution prevention and fulfillment of applicable regulations. Hydrocarbon management requirements that must be applied within KPC, including all contractors operating in KPC’s premises are listed in Chapter 6 - Hydrocarbon Management Requirements, while hydrocarbon management procedures are listed in Chapter 7 - Hydrocarbon Management Procedures. This procedure is prepared by considering relevant laws and regulations, best practices, and other technical considerations. This procedure is subject to change in consideration of changes in applicable regulations and improvements in work practices. KPC’s Environmental Department will help answer questions related to hydrocarbon management. Please contact KPC Environment Department, phone 0549 52 1212. CHAPTER 2. RELATED LAWS AND REGULATIONS A number of Indonesian laws and regulations are closely related to hydrocarbon management in KPC. The following is a list of these laws and regulations : ACT NO. 4 YEAR 2009 jo ACT NO. 3 YEAR 2020 This law contains about mineral and coal mining ACT NO. 32 YEAR 2009 This regulation contains the protection and management of the environment as amended by Act No. 11 of 2020 on job creation. GOVERNMENT REGULATION NO. 22 YEAR 2021 This regulation regulates the implementation of environmental protection and management as a replacement for Government Regulation No. 101/2014 on hazardous waste management. GOVERNMENT REGULATION NO. 74 YEAR 2001 This regulation governs the management of hazardous and toxic materials. PRESIDENT OF THE REPUBLIC OF INDONESIA REGULATION NO 109 YEAR 2006 This regulation regulates emergency response to spills at sea.

3 Document Title Approved By Effective Date Uncontrolled Document Hydrocarbon Management Handbook When Printed or Out of HSE Info KTT & GM HSES 17 January 2024 Doc Registration No. Version Next Review Due Page 3 of 51 ENV_KPC_KPC_MSE2.06_DOC_MANe_004 5.1 16 January 2029 CHAPTER 3. ENVIRONMENTAL MONITORING KPC Environment Department conducts water quality monitoring for oil and grease parameters in several monitoring point locations originating from: • outlet flow from the oil trap in the workshop, • diesel barge unloading and diesel storage outlet in ROM, Tanjung Bara, Bengalon and Lubuk Tutung, • outlet flow from the oil trap at the inpit fuel station. CHAPTER 4. ON SPOT INSPECTION (OSI) AND INTEGRATED AND PLANNED INSPECTION (INTERNA) OF HYDROCARBON MANAGEMENT KPC Environment Department regularly conducts On Spot Inspection (OSI) and Integrated and Planned Inspection (INTERNA) of hydrocarbons to all KPC and contractor workshops, hydrocarbon storage tanks (both on-site and off-site) and distribution facilities, as well as in-pit field services. All of these OSIs and INTERNAs are focused on the following: • Condition of tanks, drums, and equipment (fittings, valves, slang, pipelines, etc.), • Hydrocarbon storage areas, including bundwall and oil traps, • Workshop management, • Hydrocarbon handling in the field, • Hydrocarbon spill handling and emergency response equipment, • Operating procedures and emergency response procedures. The INTERNA checklist is listed in the appendix. Hydrocarbon OSI is conducted twice a week which covering the following areas: • Workshops • Hydrocarbon tank storage • heavy equipment repair in the field (adjusted to the existing equipment repair schedule) INTERNA is conducted once a year. The details of INTERNA system refer to waste management procedure WMP 16 - KPC Waste Management Handbook on Inspection of Hydrocarbon and Waste Management (attached). The complete INTERNA report will be sent to KPC / Contractors Area Manager and other relevant KPC management. CHAPTER 5. RESPONSIBILITY Responsibilities in fulfilling hydrocarbon management requirements are as follows: ITEM BUNDWALL CONSTRUCTION ETC. DESIGN ASSESSMENT MAINTENANCE CHECKING & REPORTING REPAIR SPILL HANDLING REFERENCE Storage of hydrocarbons Area Manager KPC Environment Manager Area Manager Area Manager Area Manager HMP 2 Tanks and in pit Fuel Stations MSD/ Contractor KPC Environment Manager MSD/ Contractor MSD/ Contractor Area Manager HMP 2 & HMP 3 Storage Tanks and Fuel Stations for light vehicles (LV)/ LT* Area Manager KPC Environment Manager Area Manager MSD/ Contractor Area Manager HMP 2 & HMP 3 Dynamic portable tank (tanker) N/A KPC Environment Manager Tanker PIC MSD/ Contractor Tanker PIC HMP 4

Document Title Approved By Effective Date Uncontrolled Document Hydrocarbon Management Handbook When Printed or Out of HSE Info KTT & GM HSES 17 January 2024 Doc Registration No. Version Next Review Due Page 4 of 51 ENV_KPC_KPC_MSE2.06_DOC_MANe_004 5.1 16 January 2029 4 Lighting plan** MOD/ Contractor KPC Environment Manager MOD/ Contractor MSD/ Contractor Area Manager HMP 2 Generator** Area Manager KPC Environment Manager Area Manager MSD/ Contractor Area Manager HMP 2 Pump** MOD/ Contractor KPC Environment Manager MOD/ Contractor MSD/ Contractor Area Manager HMP 2 Oil/Mud trap Area Manager KPC Environment Manager MSD/ Contractor MSD/ Contractor Area Manager HMP 6 * Including those related to bundwall ** Includes tank-related The project manager of each contractor shall be responsible for his or her work area. CHAPTER 6. KPC HYDROCARBON MANAGEMENT REQUIREMENTS The following requirements apply to all KPC employees and contractors operating in KPC’s working area. Area Managers are responsible for ensuring that all these requirements are met in their working areas. REQUIREMENTS PROCEDURE RELATED 1. All hydrocarbon storage must be equipped with bundwall HMP 2 2. Where possible, any pipelines conveying hydrocarbons should be placed inside the bundwall, labeled, and painted golden brown. HMP 2 3. Hydrocarbon storage areas should be protected from collision by vehicles and clearly marked HMP 2 4. Hydrocarbon storage or distribution facilities may not be constructed or modified until the design has been stated approved by the KPC Environmental Manager. KPC Environment Manager may approve the design or request for revisions. HMP 2 5. All bulk hydrocarbon storage facilities and distribution systems should be inspected, maintained and operated in such a way as to minimize the risk of hydrocarbon releases to the environment. HMP 2 6. Underground storage facilities or pipelines should be avoided unless there are special considerations, for example for safety reasons. If an underground pipeline cannot be avoided, a certain design system should be put in place so that regular inspections can still be carried out. HMP 5 7. All owners of underground storage facilities and pipelines should implement backup control systems and conduct regular inspections or tests of all permanent storage facilities and pipelines. If leakage from these underground systems is detected, an immediate investigation should be conducted along with action to stop further pollution or loss. HMP 5 8. All hydrocarbon-related facilities should be equipped with suitable and effective oil traps. HMP 6 9. The design of all new oil traps must be approved by KPC’s Environmental Manager. HMP 6 10. All oil traps should be maintained regularly, including periodic inspections, to ensure it is functioning properly. HMP 6 11. Any hydrocarbon spills must be cleaned up quickly and properly. HMP 7 12. Any hydrocarbon spill of more than 200 liters or with a risk of entering a waterway or sensitive area must be completed by an incident report. This report must be entered to the Prinutama reporting system by the relevant Superintendent. HMP 7 13. Any closure or transfer of responsibility for hydrocarbon facilities must be free of pollution or potential pollution. HMP 8 Notes: The procedures for managing hydrocarbon waste and hydrocarbon contaminated waste are regulated separately in the Waste Management Handbook.

5 Document Title Approved By Effective Date Uncontrolled Document Hydrocarbon Management Handbook When Printed or Out of HSE Info KTT & GM HSES 17 January 2024 Doc Registration No. Version Next Review Due Page 5 of 51 ENV_KPC_KPC_MSE2.06_DOC_MANe_004 5.1 16 January 2029 CHAPTER 7. KPC HYDROCARBON MANAGEMENT PROCEDURES KPC’s hydrocarbon management procedure (HMP) is further regulated as follows: HMP 1: PREVENTION OF ENVIRONMENTAL POLLUTION DUE TO HYDROCARBONS Contains the stages of preventing environmental pollution due to hydrocarbon-related activities. HMP 2: HYDROCARBON STORAGE FACILITIES AND COMPLEMENTARYS Contains hydrocarbon storage requirements. HMP 3: WORKSHOPS AND FUEL STATIONS Contains requirements for the construction of workshops and fuel stations HMP 4: DYNAMIC PORTABLE TANK (TANKER) Contains requirements of procurement, operational, and maintenance for dynamic portable tanks (tankers). HMP 5: MAINTENANCE OF STORAGE TANKS AND UNDERGROUND PIPELINES Contains requirements for storage tanks and underground pipelines, including backup controls, inspections, and investigations. HMP 6: OIL TRAP AND SILT TRAP REQUIREMENTS Contains design requirements and maintenance procedures for oil traps and silt traps. HMP 7: HYDROCARBON SPILL RESPONSE Contains procedures for dealing with small hydrocarbon spills or leaks and not a procedure for dealing with large spills or spills which enter water bodies or other sensitive areas. HMP 8: CLOSURE AND OR TRANSFER OF RESPONSIBILITY FOR HYDROCARBON FACILITIES Contains procedures for the closure and/or responsibility transfer of hydrocarbon facilities.

7 Document Title Approved By Effective Date Uncontrolled Document Hydrocarbon Management Handbook When Printed or Out of HSE Info KTT & GM HSES 17 January 2024 Doc Registration No. Version Next Review Due Page 7 of 51 ENV_KPC_KPC_MSE2.06_DOC_MANe_004 5.1 16 January 2029 HYDROCARBON MANAGEMENT PROCEDURE (HMP) 2 HYDROCARBON STORAGE FACILITIES AND COMPLEMENTARIES 2.1 PURPOSE Ensure that all hydrocarbon storage and distribution systems are designed and maintained in such a way to prevents soil or water pollution. 2.2 WHEN TO USE When designing, operating and/or maintaining hydrocarbon storage or hydrocarbon distribution pipelines. 2.3 RESPONSIBILITIES 2.3.1 DESIGNER Apply the design principles described in this procedure. 2.3.2 AREA MANAGER 2.3.2.1 Ensure hydrocarbon storage is constructed in accordance with the approved design. 2.3.2.2 Ensure hydrocarbon storage areas are properly maintained and any spills/drips that occur are cleaned up immediately. 2.3.2.3 Ensure all personnel who design, operate or maintain hydrocarbon storage facility and complementaries are familiar with this procedure. 2.3.3 KPC ENVIRONMENT SUPERINTENDENT (SITE SUPPORT) 2.3.3.1 Providing technical advice related to the planning, manufacture, and maintenance of hydrocarbon storage facility and its complementaries. 2.3.3.2 Provide training when necessary. 2.4 PROCEDURE 2.4.1 HYDROCARBON STORAGE TANK DESIGN 2.4.1.1 The tank should be at ground level and easily inspected and built on a strong, stable and level foundation. 2.4.1.2 Tanks should be made of materials that are suitable for the type of hydrocarbons stored, so that they do not leak easily or have the potential to leak. 2.4.1.3 Tanks should be equipped with appropriate ventilation, volume gauges with protector, overflow prevention, anti- splash fill pipe, earthing, and appropriate valves. 2.4.1.4 This storage tank should be in white color to make it easier to identify leaks in the tank. 2.4.1.5 Tanks must be clearly labeled in at least Bahasa Indonesia which describing the identity of the tank, its contents and capacity, and equipped with appropriate safety signs (e.g. “No Smoking” sign).

9 Document Title Approved By Effective Date Uncontrolled Document Hydrocarbon Management Handbook When Printed or Out of HSE Info KTT & GM HSES 17 January 2024 Doc Registration No. Version Next Review Due Page 9 of 51 ENV_KPC_KPC_MSE2.06_DOC_MANe_004 5.1 16 January 2029 2.4.3.4 If hoses is used in the transfer or distribution of hydrocarbon products, the type of hoses which used must be appropriate for the type of hydrocarbon. 2.4.4 DESIGN OF OIL TRAP 2.4.4.1 All hydrocarbon storage facilities must be equipped with oil traps referring to HMP 6 - KPC Hydrocarbon Management Handbook on Oil Trap and Silt trap Requirements. 2.4.4.2 Especially for portable tank facilities for pumping and lighting tower purposes at mine sites, no oil traps are required but it must be ensured that no hydrocarbon drips or spills occur. 2.4.5 GENERAL CONDITIONS 2.4.5.1 All hydrocarbon storage facilities must be equipped with oil traps referring to HMP 6 - KPC Hydrocarbon Management Handbook on Oil Trap and Silt trap Requirements”. 2.4.5.2 Especially for portable tank facilities for pumping and lighting tower purposes at mine sites, no oil traps are required but it must be ensured that no hydrocarbon drips or spills occur. 2.4.5.3 Prior to construction, all hydrocarbon storage and distribution facility designs must be reviewed by KPC’s Environmental Manager. Based on this review, KPC’s Environmental Manager will either approve or request changes to the design. 2.4.5.4 Contact KPC Environmental Superintendent (Site Support) for further explanation. 2.4.6 OPERATION 2.4.6.1 Hydrocarbon storage areas must be operated properly to avoid soil and water pollution. 2.4.6.2 Ensure that the bund valve is always be closed, except when in use. 2.4.6.3 Tank filling should always be done inside the bundwall so that any spillage that occurs can be contained. 2.4.6.4 Hydrocarbon filling personnel must not leave the location while filling is in progress. If it is necessary to leave the location, the filling must be stopped. 2.4.6.5 Dispensing devices such as nozzles/fuel guns should always be stored in a bundwall or drip tray. 2.4.6.6 The dispensing valve on the tank must always be closed except when in use or when the personnel are present. 2.4.6.7 Any spills that occur must be cleaned up immediately in accordance with HMP 7 - KPC Hydrocarbon Management Handbook on Handling Hydrocarbon Spills. 2.4.6.8 Contact KPC Environmental Superintendent (Site Support) for further explanation. 2.4.7 MAINTENANCE AND INSPECTION 2.4.7.1 Periodic maintenance of hydrocarbon facilities must be carried out to keep them functioning properly. 2.4.7.2 All hydrocarbon storage and distribution systems should be checked daily for leaks, spills that need to be cleaned up, damage of containers or berms, or other maintenance needs. 2.4.7.3 Any unconformity found during the inspection must be followed up immediately. 2.4.7.4 Any safety equipment or safety signs removed during maintenance must be reinstalled immediately

11 Document Title Approved By Effective Date Uncontrolled Document Hydrocarbon Management Handbook When Printed or Out of HSE Info KTT & GM HSES 17 January 2024 Doc Registration No. Version Next Review Due Page 11 of 51 ENV_KPC_KPC_MSE2.06_DOC_MANe_004 5.1 16 January 2029 HYDROCARBON MANAGEMENT PROCEDURE (HMP) 3 WORKSHOPS AND FUEL STATIONS 3.1 PURPOSE Ensure all workshops and fuel stations are designed, operated and maintained in such a way that soil and water pollution is prevented. 3.2 WHEN TO USE When designing, operating and/or maintaining workshops or fuel stations 3.3 RESPONSIBILITIES 3.3.1 DESIGNER Apply the design principles described in this procedure 3.3.2 AREA MANAGER 3.3.2.1 Ensure workshops and fuel stations are constructed in accordance with the approved design. 3.3.2.2 Ensure workshops and fuel stations are properly maintained to prevent potential contamination. 3.3.2.3 Ensure immediate action is taken in the event of a spill/drips. 3.3.2.4 Ensure all personnel who design, operate, or maintain workshops and fuel stations and its complementary are familiar with this procedure. 3.3.3 KPC ENVIRONMENT SUPERINTENDENT (SITE SUPPORT) 3.3.3.1 Providing technical advice related to planning, construction, and maintenance of workshops and fuel stations and its complementary. 3.3.3.2 Provide training when necessary. 3.4 PROCEDURE 3.4.1 WORKSHOP DESIGN 3.4.1.1 The workshop site is flood-free area, not a water collection area, and stable. 3.4.1.2 The base construction of the workshop floor must be impermeable to prevent soil contamination by hydrocarbons or other chemicals. 3.4.1.3 The workshop floor elevation should be higher than the surrounding ground, with a minimum elevation difference of 50 cm. 3.4.1.4 Equip the workshop with an oil trap (hydrocarbon-contaminated wastewater trap pond). 3.4.1.5 The construction of the roof is equipped with gutters to direct rainwater directly into the drainage. 3.4.1.6 Wastewater channels must be separated from rainwater channels. 3.4.1.7 Workshops which used for heavy equipment and vehicle repairs is mandatory for having washing

Document Title Approved By Effective Date Uncontrolled Document Hydrocarbon Management Handbook When Printed or Out of HSE Info KTT & GM HSES 17 January 2024 Doc Registration No. Version Next Review Due Page 12 of 51 ENV_KPC_KPC_MSE2.06_DOC_MANe_004 5.1 16 January 2029 12 pad facilities equipped with silt traps and oil traps. 3.4.1.8 The hydrocarbon pipelines are not allowed to be buried underground, if it cannot be avoided, approval from the Environmental Department is required. 3.4.2 REFUELING STATION DESIGN 3.4.2.1 The minimum pump station consists of a bunded fuel tank, dispensing area, fuel pump and piping, refuse container and safety bollards. 3.4.2.2 The in and out access for the refueling vehicle is easy to turn into the pumping area, and easy to turn when exiting the pumping area without obstruction with good visibility for the driver when exiting the refueling area. 3.4.2.3 Vehicle unit entrances and exits must not cross each other. 3.4.2.4 The width of the entry and exit lanes must be at least as wide as the largest vehicle unit served, plus allowances as needed. 3.4.2.5 Equipped with a lightning arrestor installation 3.4.2.6 Has a waterproof floor 3.4.2.7 Equipped with an oil trap 3.4.3 OPERATION OF WORKSHOPS AND REFUELING STATIONS 3.4.3.1 Fuel man have the ability to operate fuel refueling. 3.4.3.2 Equipped with environmental pollution prevention and controls 3.4.3.3 Equipped with spill response equipment in accordance with HMP 7. 3.4.3.4 Equipped with fire prevention and extinguishing facilities. 3.4.3.5 The workshop/refueling station is operated and maintained in a clean, tidy condition so that it does not cause a safety and health hazard and does not have the potential to pollute the environment. 3.4.3.6 Fuel man must not leave the location while refueling/transferring is in progress. If it is necessary to leave the location, the refueling/transferring must be stopped. 3.4.3.7 Efforts should be made to reduce oil trap load by preventing drips at workshops/fueling stations. 3.4.4 INSPECTION AND MAINTENANCE 3.4.4.1 Periodic maintenance of workshops and fuel stations must be carried out to keep them functioning properly. 3.4.4.2 All workshops and fuel stations and their distribution systems should be checked daily for leaks, spills that need to be cleaned up, damage of containers or bundwall, or other maintenance needs. 3.4.4.3 Ensure that the surrounding ground elevation remains lower than the elevation of the workshop/ fueling station to avoid the additional load of runoff water. 3.4.4.4 Any non conformances found during the inspection must be followed up immediately. 3.4.4.5 Any safety equipment or safety signs removed during maintenance must be reinstalled immediately after the work is completed. 3.4.4.6 The Area Superintendent shall inspect the workshops and fuel stations and their distribution systems after maintenance to ensure that no changes have been made to the environmental

13 Document Title Approved By Effective Date Uncontrolled Document Hydrocarbon Management Handbook When Printed or Out of HSE Info KTT & GM HSES 17 January 2024 Doc Registration No. Version Next Review Due Page 13 of 51 ENV_KPC_KPC_MSE2.06_DOC_MANe_004 5.1 16 January 2029 pollution prevention capability. 3.4.4.7 Any spills that occur must be cleaned up immediately in accordance with HMP 7 - KPC Hydrocarbon Management Handbook on Handling Hydrocarbon Spills. 3.4.4.8 Contact KPC Environmental Superintendent (Site Support) for further explanation. 3.5 RELATED DOCUMENTS 3.5.1 Decree of the Minister of Energy and Mineral Resources No. 1827 K/30/MEM/2018 on Guidelines for the Implementation of Good Mining Engineering Practices 3.5.2 Decree of the Director General of Mineral and Coal of the Ministry of Energy and Mineral Resources No.309.K/30/DJB/2018 on Technical Guidelines for Explosives and Blasting Safety and Safety of Fuel Storage Facilities in Mineral and Coal Mining Business Activities.

15 Document Title Approved By Effective Date Uncontrolled Document Hydrocarbon Management Handbook When Printed or Out of HSE Info KTT & GM HSES 17 January 2024 Doc Registration No. Version Next Review Due Page 15 of 51 ENV_KPC_KPC_MSE2.06_DOC_MANe_004 5.1 16 January 2029 and drum brake and the design of the transporter is airtight from the incoming exhaust gas. 4.4.5 Conduct feasibility testing of the tank and its installation starting from the manufacturing process by the manufacturer completed with Manufacturing Data Record (MDR) documents, until it is used by the end user, by conducting the following tests: a) a hydrostatic pressure test of 1.3 times the maximum permissible working pressure; and b) leakage tests to detect leaks at tank connections and installations 4.4.6 Dynamic portable tanks are not recommended to use a fuel level indicator. 4.4.7 Tutup manhole harus dirancang khusus sehingga tidak terbuka saat kendaraan terbalik (accident) dan dilengkapi dengan pressure relief valve dan vent. 4.4.8 Tangki portable dinamis tidak direkomendasikan menggunakan fuel level indicator. 4.4.9 The inspection of dynamic portable tank requirements is carried out during commissioning. 4.4.10 Dynamic portable tanks in other forms (such as service trucks or similar) whose technical requirements have not been stated in this procedure, the design and operation must always meet best practices in pollution prevention efforts. 4.4.11 Contact KPC Environmental Superintendent (Site Support) for further explanation. 4.5 RELATED DOCUMENTS Decree of the Director General of Mineral and Coal of the Ministry of Energy and Mineral Resources No. 309.K/30/DJB/2018 on Technical Guidelines for Explosives and Blasting Safety and Safety of Fuel Storage Facilities in Mineral and Coal Mining Business Activities.

17 Document Title Approved By Effective Date Uncontrolled Document Hydrocarbon Management Handbook When Printed or Out of HSE Info KTT & GM HSES 17 January 2024 Doc Registration No. Version Next Review Due Page 17 of 51 ENV_KPC_KPC_MSE2.06_DOC_MANe_004 5.1 16 January 2029 5.4.1.3 Contact KPC Environmental Superintendent (Site Support) for further explanation. 5.4.2 BACKUP CONTROL 5.4.2.1 Record all additions and removals from underground tanks using the backup control system. 5.4.2.2 Take manual measurements of reserves in underground tanks (e.g. using a dipstick) on a regular basis, record them in the reserve control system. 5.4.2.3 Make a report on the results of reconciliation of underground tank installation reserves every month. 5.4.2.4 Reserve reconciliation will be reviewed on a monthly basis by the Area Manager for all pipelines, and underground storage under his responsibility. The results of this reconciliation shall be analyzed to monitor possible leaks in pipelines and storage tanks. 5.4.2.5 The decrease of the reserve must be checked. Common reasons for decrease are incorrect measurements, pump leaks, and failures in product delivery. If after checking the decrease are still insufficient, a site investigation should be conducted. 5.4.2.6 If a leak greater than 200 L is found or has a risk of entering a water body, it must be reported in the Prinutama reporting system. 5.4.2.7 Contact KPC Environmental Superintendent (Site Support) for further explanation. 5.4.3 SITE INSPECTION 5.4.3.1 Underground storage facilities, including pipelines, should be inspected regularly to ensure no leaks occur. 5.4.3.2 Inspection of the thickness and condition of underground tanks, must be carried out at least once every 5 (five) years. The inspection report must be complete. 5.4.3.3 Leak tests on underground pipes are conducted at least once a year. Leakage tests can be carried out by pressure tests or other suitable methods. The inspection report must be complete. 5.4.3.4 The inspection report must be submitted to KPC Environment Manager within one week after the inspection. If from the inspection results there is a non conformance condition, it must be corrected to prevent potential leakage. 5.4.3.5 If the backup inspection shows product decrease which the cause cannot be explained, a site investigation is conducted immediately. During the investigation process, KPC Environment Manager may recommend to close the facility temporarily. 5.4.3.6 Contact KPC Environmental Superintendent (Site Support) for further explanation. 5.4.4 SITE INVESTIGATION 5.4.4.1 Site investigations may include visual inspection, integrity tests of storage tanks and underground pipelines, and inspection of monitoring wells in the surrounding area for possible groundwater contamination. 5.4.4.2 KPC Environmental Superintendent (Site Support) will take water samples from the monitoring wells to check for hydrocarbon content. 5.4.4.3 KPC’s Environmental Manager will decide whether an integrity test is required and will arrange for its implementation. 5.4.4.4 Contact KPC Environmental Superintendent (Site Support) for further explanation.

19 Document Title Approved By Effective Date Uncontrolled Document Hydrocarbon Management Handbook When Printed or Out of HSE Info KTT & GM HSES 17 January 2024 Doc Registration No. Version Next Review Due Page 19 of 51 ENV_KPC_KPC_MSE2.06_DOC_MANe_004 5.1 16 January 2029 HYDROCARBON MANAGEMENT PROCEDURE (HMP) 6 OIL TRAP AND SILT TRAP REQUIREMENTS 6.1 PURPOSE 6.1.1 Ensure oil traps and silt traps are always operating effectively in accordance with their design so that potential pollution can be avoided . 6.1.2 Ensure that waste from oil traps and silt traps is properly managed. 6.2 WHEN TO USE During construction, operation and maintenance of oil traps and silt traps. 6.3 RESPONSIBILITIES 6.3.1 AREA MANAGER 6.3.1.1 Ensure that all facilities for hydrocarbon-related activities are equipped with oil traps, specifically for facilities that have the potential to produce sludge beside equipped with oil traps it is also has to be completed with silt traps. 6.3.1.2 Ensure all designs of oil traps and silt traps in the work area are approved by KPC Environment Manager prior to construction. 6.3.1.3 Ensure regular inspection and maintenance of all oil traps and silt traps in the work area, so that the facilities are always operating effectively. Where maintenance of facilities is carried out by a third party, responsibility for such activities remains with the Area Manager. 6.3.1.4 Ensure that all personnel responsible for the operation/inspection/maintenance of oil traps and silt traps have had comprehensive awareness in the operation and maintenance of oil trap/silt trap facilities. 6.3.2 KPC ENVIRONMENT SUPERINTENDENT (SITE SUPPORT) 6.3.2.1 Ensure all facilities for hydrocarbon-related activities are equipped with appropriate oil traps and silt traps. 6.3.2.2 Provide advice and recommendations on oil trap and silt trap design, operation and maintenance systems. 6.4 PROCEDURE 6.4.1 DESIGN 6.4.1.1 All hydrocarbon-related activities shall be equipped with oil traps, particularly for washpad facilities shall be also equipped with silt traps. 6.4.1.2 Oil traps shall be constructed with at least 3 compartments. All designs of oil traps and silt traps should be calculated in detail, considering the pollutant load, catchment area, location, and other aspects deemed as important. 6.4.1.3 The output water of the oil trap can be collected in a special pond for recycle, water treatment can be carried out so that the water can be optimized for use. 6.4.1.4 Prior to construction, all oil trap and/or silt trap designs must be reviewed by KPC’s Environmental

Document Title Approved By Effective Date Uncontrolled Document Hydrocarbon Management Handbook When Printed or Out of HSE Info KTT & GM HSES 17 January 2024 Doc Registration No. Version Next Review Due Page 20 of 51 ENV_KPC_KPC_MSE2.06_DOC_MANe_004 5.1 16 January 2029 20 Manager. Based on this review, the KPC Environmental Manager may approve the design or request modifications. 6.4.1.5 If required, commissioning can be carried out on constructed oil traps and silt traps. 6.4.2 MAINTENANCE AND OPERATION 6.4.2.1 All oil trap and silt trap facilities should be inspected at least once a week. For facilities with a high frequency of use, daily or even shift-by-shift inspections are required. The Area Superintendent will determine the frequency of inspection. 6.4.2.2 The attached checklist (Appendix 4) shall be used for each inspection. In addition to the checklist, each oil trap shall be equipped with a check board (Annex 5). 6.4.2.3 Check the sludge thickness of the silt trap using a dip stick. Clean the sludge immediately if the sludge thickness has reached 50% of the water level. Ensure that no hydrocarbons are retained in the silt trap. 6.4.2.4 Check the sludge thickness of the oil trap using a dip stick. The sludge level in the oil trap must not reach the base of the piping. Clean the sludge immediately if the thickness of the sludge has approached the base of the pipeline. Sludge management activities resulting from oil trap cleaning should refer to WMP 8 - KPC Waste Management Handbook on Hydrocarbon Contaminated Waste Management. 6.4.2.5 It is prohibited to pump water from the oil trap and silt trap facilities directly into the environment without permission from KPC’s Environmental Department. 6.4.2.6 Strive the utilization (recycle) of the output water from the oil trap if possible. 6.4.2.7 Remove the oil from the oil trap using a vacuum pump/absorbent material/skimmer/other appropriate equipment. Contact KPC Environmental Superintendent (Site Support) for advice. 6.4.2.8 Manage hydrocarbons collected in the oil trap in accordance with WMP 7 - KPC Waste Management Handbook on Hydrocarbon Waste Management. 6.4.2.9 Manage the contaminated absorbent/material/waste in accordance with WMP 8 - KPC Waste Management Handbook on Hydrocarbon Contaminated Waste Management. 6.4.2.10 If degreasers are used in the operation of workshops and washing stations, degreasers that are environmentally friendly and quick break should be used. This is intended so that the oil trap can function effectively to avoid the risk of hydrocarbons escaping into the environment. The selection and use of this degreaser must be approved through the Chemical Approval process 6.4.2.11 Contact KPC Environmental Superintendent (Site Support) for further explanation. 6.5 RELATED DOCUMENTS 6.5.1 Government Regulation No. 22 of 2021 on the Implementation of Environmental Protection and Management 6.5.3 Regional Regulation of East Kalimantan Province No. 02 of 2011 concerning Water Quality Management and Water Pollution Control 6.5.4 WMP 7 - KPC Waste Management Handbook on Hydrocarbon Waste Management 6.5.5 WMP 8 - KPC Waste Management Handbook on Hydrocarbon Contaminated Waste Management 6.5.6 WMP 15 - KPC Waste Management Handbook on Filling in Hazardous Waste Documents

21 Document Title Approved By Effective Date Uncontrolled Document Hydrocarbon Management Handbook When Printed or Out of HSE Info KTT & GM HSES 17 January 2024 Doc Registration No. Version Next Review Due Page 21 of 51 ENV_KPC_KPC_MSE2.06_DOC_MANe_004 5.1 16 January 2029 HYDROCARBON MANAGEMENT PROCEDURE (HMP) 7 HYDROCARBON SPILL RESPONSE 7.1 PURPOSE This procedure aims to minimize the possibility of soil or water contamination by ensuring that any hydrocarbon spills are cleaned up as soon as possible. 7.2 WHEN TO USE When a hydrocarbon spill is detected at a facility in the KPC working area. Notes: This procedure is not a measure for handling large hydrocarbon spills and is not intended for handling large spills at sea or on land. A large spill is defined as any spill that may result in hydrocarbons leaving the mine site and entering a waterway, or any spill that exceeds 500 L. Large spills are regulated by the KPC HSE Emergency Preparedness & Response Procedures and are handled by the KPC Oil Spill Response Team (OSRT). 7.3 RESPONSIBILITIES 7.3.1 AREA MANAGER 7.3.1.1 Ensure adequate spill response equipment is available at the workplace (see table in 5.4.1.2). 7.3.1.2 Ensure all hydrocarbon spills in his/her work area are cleaned up immediately. 7.3.1.3 Ensure all hydrocarbon contaminated materials are handled in accordance with WMP 8 - KPC Waste Management Handbook on Hydrocarbon Contaminated Waste Management. 7.3.1.4 Investigate the hydrocarbon spill/leak incident and ensure the incident report is included in Prinutama if required. Hydrocarbon spills/leaks that must be reported in Prinutama are above 200 L or below 200 L but entering a water body. 7.3.2 MANAGER STORE INVENTORY CONTROL KPC 7.3.2.1 Ensure the availability of adequate spill response equipment in KPC warehouses. 7.3.2.2 Ensure the availability of other storage tanks/containers in the event of a spill. 7.3.3 KPC ENVIRONMENT SUPERINTENDENT (SITE SUPPORT) 7.3.3.1 Provide technical advice related to the handling of hydrocarbon spills. 7.3.3.2 Ensure all hydrocarbon spills in his/her work area are cleaned up immediately. 7.3.3.3 Provide guidance on the location of disposal/management of hydrocarbon contaminated materials. 7.3.3.4 Provide training on this procedures as necessary. 7.4 PROCEDURE 7.4.1 GENERAL 7.4.1.1 Avoid hydrocarbon spills in every hydrocarbon-related activity, by always using oil collection containers (drip trays), storing hydrocarbons in a place equipped with a bundwall, complying with

Document Title Approved By Effective Date Uncontrolled Document Hydrocarbon Management Handbook When Printed or Out of HSE Info KTT & GM HSES 17 January 2024 Doc Registration No. Version Next Review Due Page 22 of 51 ENV_KPC_KPC_MSE2.06_DOC_MANe_004 5.1 16 January 2029 22 hydrocarbon filling/transfer procedures, and using standardized facilities (pumps, hoses, etc.). 7.4.1.2 Provide oil spill kits in all workshops, hydrocarbon storage areas, and hydrocarbon dispensing areas. Standard kits that must be provided are as follows: Item Total Description Absorbent boom 18 cm x 3 m with hooks 4 pieces Used in water Mini boom 7.5 cm x 1.2 m 3 pieces Used on the floor/ground Absorbent pad 45 cm x 45 cm 100 sheet Used in floor/ground/water Plastic bag for collecting absorbent 5 pieces Rubber gloves 2 pairs Contact KPC Environmental Superintendent (Site Support) to determine the type and number of spill kits that should be provided in the work area, as well as for training on the use of spill kits. 7.4.1.3 Immediately clean up any hydrocarbon spills/leaks that occur in the work area and dispose of any contaminated materials in accordance with WMP 8 - KPC Waste Management Handbook on Hydrocarbon Contaminated Waste Management. 7.4.1.4 Apabila terjadi tumpahan/bocoran hidrokarbon yang tidak dapat ditangani (tumpahan hidrokarbon In the event of a hydrocarbon spill/leak that cannot be handled (hydrocarbon spill larger than 200 L and/or has a risk of entering the waterway/sea/other sensitive areas) immediately report the incident to the Area Superintendent, relevant Department Manager, KPC Rescue, and KPC Environment Department (Site Support). 7.4.1.5 Conduct an investigation and report the results of the investigation to the KPC Environment Manager and input into the Prinutama system. 7.4.1.6 Hydrocarbon spills of less than 200 L and with no risk of entering waterways/sea/other sensitive areas should still be handled, reported and recorded in each Department. 7.4.2 SPILL IN AN AREA EQUIPPED WITH A SAFETY BUNDWALL (BUND) 7.4.2.1 Seal the source of the spill and stop the spread from occurring. 7.4.2.2 Collect the spill into a spill containment container, use a pump or absorbent sheet. 7.4.2.3 Remove any residual hydrocarbons on the walls and floor of the bundwall using a degreaser. Drain the levee wash water into the oil trap. 7.4.2.4 Collect all hydrocarbon contaminated materials into a separate spill containment container for further management as per WMP 8 - KPC Waste Management Handbook on Hydrocarbon Contaminated Waste Management. 7.4.2.5 Contact KPC SIC Manager to arrange collection of the filled spill containment container. The collected hydrocarbon spills are sent to the Murung Area Lube Farm TPS. 7.4.3 SPILLS IN AREAS THAT ARE NOT EQUIPPED WITH SAFETY BUNDWALLS (BUNDS) 7.4.3.1 Shut the source of the spill and stop the spread from occurring. 7.4.3.2 If possible, direct the spill to a point where it can be contained and collected. 7.4.3.3 Pick up the spill using absorbent sheets, absorbent pads, sand, soil, or other absorbent materials. If possible, suck up the spill using a pump and put it into a spill containment container. 7.4.3.4 Remove contaminated soil and manage in accordance with WMP 8 - KPC Waste Management

23 Document Title Approved By Effective Date Uncontrolled Document Hydrocarbon Management Handbook When Printed or Out of HSE Info KTT & GM HSES 17 January 2024 Doc Registration No. Version Next Review Due Page 23 of 51 ENV_KPC_KPC_MSE2.06_DOC_MANe_004 5.1 16 January 2029 Handbook on Hydrocarbon Contaminated Waste Management. 7.4.3.5 Backfill the excavated area with clean soil or gravel. 7.4.3.6 Collect all hydrocarbon contaminated materials into separate spill containment containers for further management as per WMP 8 - KPC Waste Management Manual on Hydrocarbon Contaminated Waste Management. 7.4.3.7 Contact the KPC SIC Manager to arrange for the retrieval of the filled spill container. 7.5 RELATED DOCUMENTS 7.5.1 WMP 5 - KPC Waste Management Handbook on Hazardous Waste Management 7.5.2 WMP 8 - KPC Waste Management Handbook on Hydrocarbon Contaminated Waste Management 7.5.3 WMP 15 - KPC Waste Management Handbook on Filling in Hazardous Waste Documents 7.5.4 KPC HSE Emergency Preparedness & Response Procedures

Document Title Approved By Effective Date Uncontrolled Document Hydrocarbon Management Handbook When Printed or Out of HSE Info KTT & GM HSES 17 January 2024 Doc Registration No. Version Next Review Due Page 24 of 51 ENV_KPC_KPC_MSE2.06_DOC_MANe_004 5.1 16 January 2029 24 HYDROCARBON MANAGEMENT PROCEDURE (HMP) 8 CLOSURE AND OR TRANSFER OF RESPONSIBILITY OF HYDROCARBON FACILITIES 8.1 PURPOSE This procedure aims to minimize the possibility of land or water contamination, which originated from the closure of hydrocarbon facilities, whether temporarily or permanently closed, as well as potential pollution that may result from the transfer of responsibility for hydrocarbon facilities. 8.2 WHEN TO USE When hydrocarbon facilities at KPC or its contractors in the KPC operational area will : 1. Temporary or permanent closure of operations or 2. Transfer of responsibility, from the previous to the new area responsible 8.3 RESPONSIBILITIES 8.3.1 AREA MANAGER 8.3.1.1 Report to KPC Environmental Superintendent (Site Support) regarding temporary or permanent closure of hydrocarbon facilities, or transfer of responsibility for hydrocarbon facilities. 8.3.1.2 Plan the stages of closure of the hydrocarbon facility to be closed. 8.3.1.3 Ensure that closed hydrocarbon facilities are free from contamination or potential contamination. 8.3.1.4 For hydrocarbon facilities that are temporarily closed, the Area Superintendent should appoint a responsible person to conduct periodic inspections; and ensure that the site is free from contamination. 8.3.1.5 Prepare an official report on the closure and or transfer of responsibility of the hydrocarbon facility that is closed or transferred responsibility. 8.3.2 KPC ENVIRONMENT SUPERINTENDENT (SITE SUPPORT) 8.3.2.1 Ensure temporary and permanent closure of hydrocarbon facilities and transfer of responsibility for hydrocarbon facilities are carried out in accordance with this procedure. 8.3.2.2 Provide technical advice related to temporary and permanent closure of hydrocarbon facilities. 8.3.2.3 Provide socialization of procedures related to closure and transfer of responsibility for hydrocarbon facilities 8.3.2.4 Conduct potential contamination testing when necessary. Costs incurred from the testing process will be charged to the area responsible person. 8.4 PROCEDURE 8.4.1 TEMPORARY HYDROCARBON FACILITY CLOSURE < 3 MONTHS 8.4.1.1 Storage facilities are still allowed in filled condition.

25 Document Title Approved By Effective Date Uncontrolled Document Hydrocarbon Management Handbook When Printed or Out of HSE Info KTT & GM HSES 17 January 2024 Doc Registration No. Version Next Review Due Page 25 of 51 ENV_KPC_KPC_MSE2.06_DOC_MANe_004 5.1 16 January 2029 8.4.1.2 The area manager should appoint an officer who is responsible for regular supervision of the temporarily closed site. 8.4.1.3 Officers conducting supervision need to make appropriate checklists. 8.4.1.4 The designated officer should ensure that the site is free from pollution or potential pollution. 8.4.1.5 Report the results of supervision to the area manager and make improvements in case of nonconformity. 8.4.1.6 In the event of hydrocarbon waste or hydrocarbon contaminated materials is generated, manage them in accordance with WMP 7 - KPC Waste Management Handbook on Hydrocarbon Waste Management and WMP 8 - KPC Waste Management Handbook on Hydrocarbon Contaminated Waste Management. 8.4.2 TEMPORARY HYDROCARBON FACILITY CLOSURE 3 - 6 MONTHS 8.4.2.1 Empty all tanks and other hydrocarbon storage containers. 8.4.2.2 The area manager should appoint an officer who is responsible for regular monitoring of the temporarily closed location. 8.4.2.3 Officers conducting surveillance need to make appropriate checklists. 8.4.2.4 The designated officer must ensure that the site is free from pollution or potential pollution 8.4.2.5 Report the results of supervision to the area manager and make improvements if there are any non conformances 8.4.2.6 Hydrocarbon waste generated from tank emptying activities and other hydrocarbon storage containers are sent to used oil licensed TPS in accordance with WMP 7 - KPC Waste Management Handbook on Hydrocarbon Waste Management. 8.4.2.7 In case of hydrocarbon contaminated materials generated, manage them in accordance with WMP 8 - KPC Waste Management Handbook on Hydrocarbon Contaminated Waste Management. 8.4.3 PERMANENT HIDROCARBON FACILITY CLOSURE (> 6 months) 8.4.3.1 Ensure all tanks, hydrocarbon pipelines, oil traps are empty and free of contamination. 8.4.3.2 Total dismantling of hydrocarbon facilities or seeking technical advice from the Site Support Superintendent 8.4.3.3 Hydrocarbon waste which generated from the decommissioning of permanent hydrocarbon facilities is managed in accordance with WMP 7 - KPC Waste Management Handbook on Hydrocarbon Waste Management. 8.4.3.4 Hydrocarbon contaminated materials are managed in accordance with WMP 8 - KPC Waste Management Handbook on Hydrocarbon Contaminated Waste Management. 8.4.3.5 Uncontaminated scrap metal is managed as per WMP 3 - KPC Waste Management Handbook on Metal Waste Management. 8.4.3.6 Prepare an official report on the closure of hydrocarbon facilities, which is recognized by the KPC Environment Department. 8.4.3.7 If the facility has been out of service for more than 6 months but for some reason is not being dismantled, technical advice should be sought from the Site Support Superintendent.

27 Document Title Approved By Effective Date Uncontrolled Document Hydrocarbon Management Handbook When Printed or Out of HSE Info KTT & GM HSES 17 January 2024 Doc Registration No. Version Next Review Due Page 27 of 51 ENV_KPC_KPC_MSE2.06_DOC_MANe_004 5.1 16 January 2029 CHAPTER 8. AUTHORIZATION WORK FLOW Created/Reviewed by Position Erikson Pardamean Specialist Environmental Management System Maulita Prygel Nursiana Specialist Environment Yusup Specialist Environment Bunga Sulzeriana Siswanto Senior Engineer Environment Rizky Muhib Superintendent Site Support Kiagus Nirwan Manager Environment Approved by Position Date Signature Kris Pranoto GM HSES 16 January 2024 Originally Signed Hendro Ichwanto Pjs. KTT 17 January 2024 Originally Signed

Document Title Approved By Effective Date Uncontrolled Document Hydrocarbon Management Handbook When Printed or Out of HSE Info KTT & GM HSES 17 January 2024 Doc Registration No. Version Next Review Due Page 28 of 51 ENV_KPC_KPC_MSE2.06_DOC_MANe_004 5.1 16 January 2029 28 APPENDIX 1 CHECKLIST FOR HYDROCARBON MANAGEMENT IN WORKSHOP Inspector : ................................................................................................................... Date : ................................................................................................................... Workshop : ................................................................................................................... Area Supervisor : ................................................................................................................... ITEM CRITERIA MEET THE CRITERIA TIDAK YA N/A TANK Fitting No dripping, no breakage Hose indicator Clear Air outlet (breather) Not clogged Naming Content, capacity, and appropriate safety markings such as “No Smoking” and confined spaces PACKAGING (DRUM/ IBC/ JERRYCAN) Conditions Not leaking, not potentially leaking (dented or damaged), and tightly closed BUNDWALL Capacity 110% tank capacity Conditions Clean condition (free from splashes, water, or sediment) and neat and without cracks Valve output Good condition (tightly closed), equipped with a sign “valve must always be closed” OIL TRAP Drainage Smooth (Not clogged with mud, etc.) Oil trap operation & condition Only a small amount of silt and sediment, clean output flow, no cracks, equipped with fall protection, operating as designed Piping Elbow in good condition (complete, unbroken, and as designed) Routine inspection Standard checklist used WORKSHOP MAINTENANCE Oil collection container Appropriate capacity, not overflowing, and emptied every day/shift Contaminated waste (mop, filter and hose) Further managed as per WMP 8 Efforts to prevent drips on the floor Every single drips has to be contained (each potential drips is equipped with a container) Degreaser A quickbreak type of degreaser is used SPILL HANDLING Spill response equipment In accordance with the standard requirements that need to be provided (HMP 7) Spill cleanup No spills that are not cleaned up, no soil pollution around the workshop area Total: Inspector : ....................................................................................................................... Area Supervisor :........................................................................................................................

29 Document Title Approved By Effective Date Uncontrolled Document Hydrocarbon Management Handbook When Printed or Out of HSE Info KTT & GM HSES 17 January 2024 Doc Registration No. Version Next Review Due Page 29 of 51 ENV_KPC_KPC_MSE2.06_DOC_MANe_004 5.1 16 January 2029 APPENDIX 2 MINE SITE HYDROCARBON TANK CHECKLIST Inspector : ....................................................................................................... Date : ....................................................................................................... Tank Number : ....................................................................................................... Tank Location : ....................................................................................................... Area Supervisor : ....................................................................................................... ITEM CRITERIA MEET THE CRITERIA NOT YES N/A TANK Fitting No dripping, no breakage Hose indicator Clear Air outlet (breather) Not clogged Naming Content, capacity, and appropriate safety markings such as “No Smoking” and confined spaces DRUM Conditions No leaks, no dents or damage BUNDWALLS Capacity 110% tank capacity Conditions Clean condition (free from splashes, water, or sediment) and neat and without cracks Valve out Good condition (tightly closed), equipped with a sign “valve must always be closed” OIL TRAP Oil trap operation & condition Only a small amount of silt and sediment, clean output flow SPILL CARE & HANDLING Area around the bundwall Clean, tidy, and no soil pollution No indication of spillage in the pond Total: Inspector : ...................................................................................................................

31 Document Title Approved By Effective Date Uncontrolled Document Hydrocarbon Management Handbook When Printed or Out of HSE Info KTT & GM HSES 17 January 2024 Doc Registration No. Version Next Review Due Page 31 of 51 ENV_KPC_KPC_MSE2.06_DOC_MANe_004 5.1 16 January 2029 APPENDIX 4 OIL TRAP CHECKLIST Date : ..................................................................................................... Location : ................................................................................................... Inspector :.................................................................................................... Area Responsible :.................................................................................................... ITEM CRITERIA MEET THE CRITERIA NOT YES N/A OIL TRAP Building condition Good condition (no cracks) Equipped with a lid to avoid fall hazards Piping Elbow in good condition (complete, unbroken, and as designed) Last compartment Clean of oil/hydrocarbons Area around the oil trap Free of hydrocarbon contamination Outputs (outlets) Free from contamination The soil around the oil trap outlet pipe is free of hydrocarbon stains Housekeeping Cleaned regularly SILT TRAP Building condition Good condition (no cracks) Sludge condition Sludge is not visible (sludge removal is planned when sludge thickness reaches 50% of the water depth) Sludge free of contaminants Total: Inspector : ...................................................................................................................

33 Document Title Approved By Effective Date Uncontrolled Document Hydrocarbon Management Handbook When Printed or Out of HSE Info KTT & GM HSES 17 January 2024 Doc Registration No. Version Next Review Due Page 33 of 51 ENV_KPC_KPC_MSE2.06_DOC_MANe_004 5.1 16 January 2029 APPENDIX 6 INTEGRATED AND PLANNED INSPECTION CHECKLIST (INTERNA) Inspection Number : ............................................... Division/Department: ............................................... Area Responsible : ........................................ Location : ............................................... Area Representative : ....................................... Date : ............................................... Inspector / Auditor : ....................................... Implementation of Hydrocarbon Management A. Storage Tank & Fittings Parameters No. Question Compliance Note 0 25% 50% 75% 100% N/A Storage Tanks 1. Is the tank placed/installed on a solid & level foundation? 2. Are pipes & other fittings connected to the tank correctly? 3. Is the tank filling station easily accessible, safe, & equipped with appropriate valves? 4. Is the tank valve made of fire-resistant material? 5. Does the tank have appropriate ventilation? 6. Is the tank equipped with overfill protection? 7. Is the tank spacing in accordance with the requirements? 8. Is the level indicator on the tank in good condition (clearly visible, no discoloration, & not hardened) & equipped with a guard? 9. Is the drain valve on the tank in good condition? 10. Are the tanks painted & marked accordingly (including no smoking and confined spaces) and equipped with identification numbers? 11. Is the tank in good condition (no rust, no leaks, no dents, & no cracks)? 12. Is the tank equipped with an earthing system? 13. Is the tank equipped with a safety valve on the output pipe ? 14. Is the drum/IBC/other container in good condition (no leaks, no dents, no rust, & still sealed)? 15. Is hydrocarbon storage placed inside the bundwall? 16. Is the tank support in good condition?

35 Document Title Approved By Effective Date Uncontrolled Document Hydrocarbon Management Handbook When Printed or Out of HSE Info KTT & GM HSES 17 January 2024 Doc Registration No. Version Next Review Due Page 35 of 51 ENV_KPC_KPC_MSE2.06_DOC_MANe_004 5.1 16 January 2029 B. Housekeeping & Spill Handling Parameter No. Question Compliance Note 0 25% 50% 75% 100% N/A Housekeeping 1. Are the standards of cleanliness and tidiness (free of unnecessary items) associated with the facility’s hydrocarbons good enough? 2. Is the work area free of hydrocarbon spills/no spill marks on the ground? 3. Is the oil trap free of rubbish? 4. Does the work unit have appropriate equipment washing facilities with oil traps and silt trap? 5. Are the washing facilities operated as intended and functioning properly? 6. Is the silt trap cleaned regulary 7. Are the washing pad using appropriate degreaser and have passed chemical approval process? Spill handling 8. Is the work area in appropriate containment? 9. Are drip trays used during refueling or other activities that have the potential for hydrocarbon spills? 10. Is spill responce equipment available in the work area ? 11. Is the equipment easy to reach & ready to use ? Value B : (S(yes)B / S(yes)B + S(no)B) X 35% C. Work Safety & Procedure Parameters No. Question Compliance Note 0 25% 50% 75% 100% N/A Work safety 1. Are there adequate fire extinguishers? 2. Is the type of fire extinguisher appropriate? 3. Are regular checks made on the extinguishers? 4. Are there emergency procedures (fire, spill) displayed in the operating area? 5. Are hydrocarbon products stored >3 m from the fire source? Procedure 6. Is there a procedure for refilling hydrocarbon tanks? 7. Is there a dispensing procedure? 8. Is there an inspection (recorded) for each hydrocarbon facility (storage, bundwall, oil traps, pipelines & distribution facilities)? 9. Have procedures related to hydrocarbon management been socialized? Value C : (S(yes)C / S(yes)C + S(no)C) X 15% Total Value: Value A + Value B + Value C IMPLEMENTATION OF WASTE MANAGEMENT D. Waste Management

37 Document Title Approved By Effective Date Uncontrolled Document Hydrocarbon Management Handbook When Printed or Out of HSE Info KTT & GM HSES 17 January 2024 Doc Registration No. Version Next Review Due Page 37 of 51 ENV_KPC_KPC_MSE2.06_DOC_MANe_004 5.1 16 January 2029 18. Are the storage conditions of solid waste/oily waste in accordance with the standards of the Hydrocarbon Management Book and KPC Waste Management Book (no spills, neat, etc.)? 19. Does the capacity of the solid waste bins provided match the volume of waste generated at the work site? 20. Has oily waste been sent to the TPS regularly and there is no accumulation of waste at the work site (Maximum storage at the work site is 2 weeks)? 21. Is solid waste/solids sent to a licensed and approved waste management site? 22. Is there a record/register of oily waste generated at its work site (implementation of internal manifest & hazardous waste balance sheet)? Used Oil 23. Is waste oil stored in tanks/containers and managed in accordance with the KPC Hydrocarbon Management Book standard? 24. Are waste oil tanks/containers equipped with appropriate symbols and labels? 25. Is the condition of waste oil storage in accordance with the standard of KPC Hydrocarbon Management Book and Waste Management Book (no spills, neat, etc.)? 26. Is waste oil sent to a licensed and approved waste management site on a regular basis? 27. Is there a record/register of waste oil generated at the work site (implementation of internal manifest & balance sheet of hazardous waste)? Waste grease 28. Is grease waste stored in proper drums and managed in accordance with KPC Waste Management Book standards? 29. Are grease waste tanks/containers equipped with appropriate symbols and labels? 30. Is the location and condition of grease waste storage in accordance with the standards of the KPC Waste Management Book (no spills, neat, etc.)? 31. Is grease waste disposed of/sent to a licensed and approved waste management site? 32. Is there a record/register of grease waste generated at the work site (implementation of internal manifest & B3 waste balance)? Waste battery (used battery) 33. Is the storage location of battery waste (used batteries) in a safe place and in accordance with the standards of the KPC Waste Management Book? (Roofed, bunded, symbolized and labeled etc.) 34. Are the battery waste tanks/containers equipped with appropriate symbols and labels (including corrosive symbols on each battery)? 35. Are the storage conditions of battery waste (used batteries) in accordance with the KPC Waste Management Book standards (no spills, neat, etc.)?

Document Title Approved By Effective Date Uncontrolled Document Hydrocarbon Management Handbook When Printed or Out of HSE Info KTT & GM HSES 17 January 2024 Doc Registration No. Version Next Review Due Page 38 of 51 ENV_KPC_KPC_MSE2.06_DOC_MANe_004 5.1 16 January 2029 38 36. Is the capacity of the waste battery container provided in accordance with the volume of waste generated at the work site)? 37. Are waste batteries regularly sent to a licensed and approved waste management site? 38. Is there a record/register of battery waste generated at the work site (implementation of internal manifest & balance sheet of hazardous waste)? Toner Waste 39. Are toner waste bins available at work locations that required or are they clearly designated? 40. Does the capacity of the toner waste bins provided match the volume of waste generated at the work site? 41. Is toner waste sent to an approved and licensed waste management facility? Or is the waste toner returned to the supplier? 42. Is there a record/register of toner waste generated at the work site (implementation of internal manifest & hazardous waste balance)? Chemical and other hazardous waste 43. Have the chemicals used gone through the KPC approval process (Chemical Approval Process)? 44. Is waste/chemicals and other hazardous waste stored in an appropriate place and managed in accordance with the standards of the KPC Waste Management Book? 45. Is the location and storage condition of waste/ chemical waste and other B3 in accordance with the KPC Waste Management Book standard (no spills, neat, etc.)? 46. Does the capacity of the chemical and other hazardous waste bins provided match the volume of waste generated at the work site? 47. Is chemical and other hazardous waste disposed of/sent to a licensed and approved waste management facility? 48. Are used chemical and other B3 containers managed in accordance with the MSDS or in accordance with the KPC Waste Management Book standard? 49. Is there a record/register of chemical and other hazardous waste generated at the work site (implementation of internal manifest & balance sheet of hazardous waste)? 50. Is there any hazardous waste that has not been identified and managed? Value D : (S(yes)D / S(yes)D + S(no)D) X 60% E. House Keeping dan Transportation Parameters No. Question Compliance Note 0 25% 50% 75% 100% N/A House keeping 1. Are the floor/work site and sanitary conditions clean and tidy, not slippery, not causing tripping and falling?

39 Document Title Approved By Effective Date Uncontrolled Document Hydrocarbon Management Handbook When Printed or Out of HSE Info KTT & GM HSES 17 January 2024 Doc Registration No. Version Next Review Due Page 39 of 51 ENV_KPC_KPC_MSE2.06_DOC_MANe_004 5.1 16 January 2029 House keeping 2. Is the location around the Waste storage area and work site free from hazardous waste spills? 3. Is there any hazardous waste storage outside the containment site? 4. Is the overall hazardous waste storage done neatly? 5. Is the work site free of general waste scattered on the ground? 6. Are the sewers maintained (smooth channel, highest load limit and absence of solid and liquid waste/garbage)? 7. Is site cleanliness consistently maintained (evidence of records, inspections, interviews, previous visits or other reports)? Hazardous Waste Temporary Storage 8. Is the hazardous waste temporary storage closed and protected from exposure to weather 9. Is Hazardous Waste TPS has been made according to standards (lighting, ventilation, watertight, without output etc.) 10. Is the hazardous waste temporary storage equipped with emergency response equipment (eyewash, fire extinguisher, alarm, etc.)? 11. Is the capacity of the Hazardous Waste TPS sufficient for the hazardous waste generated from the generating area? 12. Is the storage time of B3 waste is as required (Intermediate TPS 14 days or Main TPS 90 days) Transportation of Hazardous and non hazardous waste 13. Is the transportation of hazardous waste carried out by licensed and approved transporters? 14. Is the transportation of waste/hazardous waste carried out according to standards? Value E : (S(yes)E / S(yes)E + S(no)E) X 40% Total Value : Value D + Value E F. 4R Parameters No. Question Compliance Note 0 25% 50% 75% 100% N/A 1. Has the Work Unit conducted 4R efforts for general waste? 2. Are General waste 4R efforts well recorded? 3. Have 4R efforts been carried out consistently in the past 1 year? 4. Has the Work Unit conducted 4R efforts for hazardous waste? 5. Are hazardous waste 4R efforts properly recorded? 6. Have 4R efforts been carried out consistently in the past 1 year? 7. Does the utilization of the B3 waste in question have a permit from the MOE? 8. Is the utilization based on the plan set out in the OTP? Value F : (S(yes)E / S(yes)E + S(no)E) X 40%

41 Document Title Approved By Effective Date Uncontrolled Document Hydrocarbon Management Handbook When Printed or Out of HSE Info KTT & GM HSES 17 January 2024 Doc Registration No. Version Next Review Due Page 41 of 51 ENV_KPC_KPC_MSE2.06_DOC_MANe_004 5.1 16 January 2029 16.4 PROCEDURE 16.4.1 INTRODUCTION The implementation of waste and hydrocarbon management according to the established procedures needs to be monitored regularly. Some of the monitoring mechanisms that have been established by the Environment Department to ensure the implementation of hydrocarbon and waste management procedures according to the guidebook are as follows: 1. Integrated and planned inspections (INTERNA) Systematic and documented inspections of all work units in KPC’s working area. INTERNA is conducted once a year and used as a reference for KADARIGAT AWARD environmental performance assessment. 2. On Spot Inspection (OSI) Inspections are carried out on work units in the KPC working area. OSI is prioritized for work units whose hydrocarbon and waste management is very dynamic, requires assistance in optimizing hydrocarbon and waste management performance, or due to other considerations deemed necessary. OSI implementation can be carried out at any time with or without prior notice to the person in charge of the area while adhering to work safety procedures. 3. Inspection of waste management facilities Inspections are conducted on the administrative and technical requirements of waste management facilities in KPC’s working area, landfills, hazardous waste storages, and hazardous waste treatment facilities (Incinerators and Biological Treatment Units / BTU). Inspections are conducted at least once a year. Corrective & Preventive Action Request (CPAR) against non-conformities/findings in the above inspection process can be issued if: a. Significant non-conformities were found that were directly related to pollution and violations of laws and regulations. b. Non-conformities with the potential to cause pollution and violations of laws and regulations were found that were the findings of previous inspections and have not been followed up during subsequent inspections. The stages in issuing CPAR follow the HSE_KPC_KPC_MSE3.02_DOC_ELMb_001 procedure regarding CPAR. 16.4.2 INTEGRATED AND PLANNED INSPECTIONS (INTERNA) INTERNA is an inspection tool that is carried out systematically and documented, on the management of hydrocarbons and waste in KPC work units and contractors within the KPC work area which aims to reduce risks to the environment and violations of regulations and support the achievement of objectives and targets set by the company. 16.4.3 INTERNA STAGES 16.4.3.1 Determine the work units that will be included in INTERNA. 16.4.3.2 Develop a schedule for INTERNA implementation. 16.4.3.3 Issue INTERNA implementation memos and distribute them to INTERNA participating work units INTERNA.

43 Document Title Approved By Effective Date Uncontrolled Document Hydrocarbon Management Handbook When Printed or Out of HSE Info KTT & GM HSES 17 January 2024 Doc Registration No. Version Next Review Due Page 43 of 51 ENV_KPC_KPC_MSE2.06_DOC_MANe_004 5.1 16 January 2029 16.4.4.5 The work unit will get a predicate according to the total score achieved. The predicate is given in the form of a flag according to the following table No. Flag Explanation 1. Black Compliance rate below 60% 2. Red Compliance rate 60% - 80% 3. Blue Compliance Rate 80.1% - 89% 4. Green Compliance rate of 89.1% - 95%, and 4R value of at least 15% 5. Gold Compliance rate above 95.1, and 4R value of at least 20% Notes: Work units with CPAR only receive a blue flag at maximum even if the score is above 89%.

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