GRI Standards Index

This report has been prepared based on the international sustainability reporting standards framework of the Global Reporting Initiative (GRI Standards 2021). It covers disclosures on material topics across the economic, social, and environmental dimensions, as well as the application of relevant sector-specific standards, to reflect responsible and transparent operations in alignment with international practices.

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GRI Content Index

Statement of use

Bangchak Corporation Public Company Limited has reported in accordance with the GRI Standards for the period 1 January 2025 - 31 December 2025

GRI 1 used

January 2025 - 31 December 2025

Applicable GRI Sector Standard(s)

GRI 11: Oil and Gas Sector 2021

GRI Standard/ Other Source	Disclosure	Location	Omission			GRI Sector Standard Ref. No.
GRI Standard/ Other Source	Disclosure	Location	Requirement (S) Omitted	Reason	Explanation	GRI Sector Standard Ref. No.
General disclosures
GRI 2: General Disclosures 2021	2-1 Organizational details	18	A gray cell indicates that reasons for omission are not permitted for the disclosure or that a GRI Sector Standard reference number is not available.
	2-2 Entities included in the organization’s sustainability reporting	209
	2-3 Reporting period, frequency and contact point	208
	2-4 Restatements of information	208
	2-5 External assurance	221-224
	2-6 Activities, value chain and other business relationships	AR 27
	2-7 Employees	196-197
	2-8 Workers who are not employees	204
	2-9 Governance structure and composition	AR 179
	2-10 Nomination and selection of the highest governance body	AR 215
	2-11 Chair of the highest governance body	AR 180
	2-12 Role of the highest governance body in overseeing the management of impacts	22
	2-13 Delegation of responsibility for managing impacts	22
	2-14 Role of the highest governance body in sustainability reporting	22
	2-15 Conflicts of interest	AR 169
	2-16 Communication of critical concerns	26-33
	2-17 Collective knowledge of the highest governance body	AR 216
GRI 2: General Disclosures 2021	2-18 Evaluation of the performance of the highest governance body	AR 220
	2-19 Remuneration policies	AR 207
	2-20 Process to determine remuneration	AR 223
	2-21 Annual total compensation ratio	AR 207	a, b, c	Confidentiality constraints	CEO compensation is confidential.
	2-22 Statement on sustainable development strategy	8-9
	2-23 Policy commitments	23
	2-24 Embedding policy commitments	23
	2-25 Processes to remediate negative impacts	34-37
	2-26 Mechanisms for seeking advice and raising concerns	26-33
	2-27 Compliance with laws and regulations	154
	2-28 Membership associations	18
	2-29 Approach to stakeholder engagement	26-33
	2-30 Collective bargaining agreements	136
Material topics
GRI 3: Material Topics 2021	3-1 Process to determine material topics	34-37	A gray cell indicates that reasons for omission are not permitted for the disclosure or that a GRI Sector Standard reference number is not available.
GRI 3: Material Topics 2021	3-2 List of material topics	36-37
Economic impacts
GRI 3: Material Topics 2021	3-3 Management of material topics	121-134				11.14.1
GRI 201: Economic Performance 2016	201-1 Direct economic value generated and distributed	154				11.14.2
GRI 202: Market Presence 2016	202-2 Proportion of senior management hired from the local community	171				11.14.3
GRI 203: Indirect Economic Impacts 2016	203-1 Infrastructure investments and services supported	121-134				11.14.4
GRI 203: Indirect Economic Impacts 2016	203-2 Significant indirect economic impacts	121-134				11.14.5
GRI 204: Procurement Practices 2016	204-1 Proportion of spending on local suppliers	154				11.14.6
Anti-corruption & Anti-competitive behavior
GRI 3: Material Topics 2021	3-3 Management of material topics	55-58				11.19.1, 11.20.1
GRI 206: Anti- competitive Behavior 2016	206-1 Legal actions for anti-competitive behavior, anti-trust, and monopoly practices	AR 173				11.19.2
GRI 205: Anti- corruption 2016	205-1 Operations assessed for risks related to corruption	55-58				11.20.2
	205-2 Communication and training about anti-corruption policies and procedures	55-58				11.20.3
	205-3 Confirmed incidents of corruption and actions taken	55-58				11.20.4
	Additional Sector: Contract transparency	AR 171				11.20.5
	Additional Sector: The organization’s beneficial owners	n/a	Additional Sector Disclo- sure Require- ment of GRI 11.20	Confidentiality constraints	PDPA	11.20.6
Payments to governments
GRI 3: Material Topics 2021	3-3 Management of material topics	81-83				11.21.1
GRI 201: Economic Performance 2016	201-1 Direct economic value generated and distributed	154				11.21.2
GRI 201: Economic Performance 2016	201-4 Financial assistance received from the government	AR 330				11.21.3
GRI 207: Tax 2019	207-1 Approach to tax	81-83				11.21.4
	207-2 Tax governance, control, and risk management	81-83				11.21.5
	207-3 Stakeholder engagement and management of concerns related to tax	81-83				11.21.6
	207-4 Country-by-country reporting	155				11.21.7
Supplier chain management
GRI 3: Material Topics 2021	3-3 Management of material topics	68-74				11.10.1, 11.12.1
GRI 308: Supplier Environmental Assessment 2016	308-1 New suppliers that were screened using environmental criteria	68-74
GRI 308: Supplier Environmental Assessment 2016	308-2 Negative environmental impacts in the supply chain and actions taken	68-74
GRI 414: Supplier Social Assessment 2016	414-1 New suppliers that were screened using social criteria	68-74				11.10.8, 11.12.3
GRI 414: Supplier Social Assessment 2016	414-2 Negative social impacts in the supply chain and actions taken	68-74				11.10.9
Information technology and cybersecurity
GRI 3: Material Topics 2021	3-3 Management of material topics	75-80
GRI 3: Material Topics 2021	Number of information security breaches/ cybersecurity incidents	80
Product and service quality & customer relationship
GRI 3: Material Topics 2021	3-3 Management of material topics	44-54
GRI 416: Customer Health and Safety 2016	416-1 Assessment of the health and safety impacts of product and service categories	44-54				11.3.3
GRI 417: Marketing and Labeling 2016	417-3 Incidents of non-compliance concerning marketing communications	154
GHG Emissions & Climate adaptation, resilience, and transition
GRI 3: Material Topics 2021	3-3 Management of material topics	91-94				11.1.1
GRI 201: Economic Performance 2016	201-2 Financial implications and other risks and opportunities due to climate change	93				11.2.2
GRI 302: Energy 2016	302-1 Energy consumption within the organization	156				11.1.2
	302-2 Energy consumption outside of the organization	n/a	a, b, c	Information unavailable/ incomplete	The data of energy out- side of the organization will begin to be collected in 2024	11.1.3
	302-3 Energy intensity	156				11.1.4
	302-4 Reduction of energy consumption	87-89
GRI 305: Emissions 2016	305-1 Direct (Scope 1) GHG emissions	157				11.1.5
	305-2 Energy indirect (Scope 2) GHG emissions	157				11.1.6
	305-3 Other indirect (Scope 3) GHG emissions	157			Reporting boundary for Scope 3 GHG of Upstream transport Via Ship cover domestic and oversea transportation. Reporting scope of Scope 3 GHG of downstream product transportation. via truck also does not include transportation of lube oil product.	11.1.7
	305-4 GHG emissions intensity	157				11.1.8
	305-5 Reduction of GHG emissions	157				11.2.3
	Additional Sector: The organization’s approach to public policy development and lobbying on climate change	91-94				11.2.4
Air emissions
GRI 3: Material Topics 2021	3-3 Management of material topics	102-104				11.3.1
GRI 305: Emissions 2016	305-7 Nitrogen oxides (NOx), sulfur oxides (SOx), and other significant air emissions	158				11.3.2
GRI 305: Emissions 2016	OG6: Volume of flared and vented hydrocarbon	158
Biodiversity
GRI 3: Material Topics 2021	3-3 Management of material topics	108-109				11.4.1
GRI 304: Biodiversity 2016	304-1 Operational sites owned, leased, managed in, or adjacent to, protected areas and areas of high biodiversity value outside protected areas	n/a	Omission on GRI 304-1 a (vi, vii)	Information unavailable/ incomplete	The data of biodiversity value characterized will begin to be collected in 2027	11.4.2
	304-2 Significant impacts of activities, products and services on biodiversity	108-109				11.4.3
	304-3 Habitats protected or restored	Biodiversity Management				11.4.4
	304-4 IUCN Red List species and national conservation list species with habitats in areas affected by operations	Biodiversity Management				11.4.5
Waste
GRI 3: Material Topics 2021	3-3 Management of material topics	105-107				11.5.1
GRI 306: Waste 2020	306-1 Waste generation and significant waste-related impacts	105-107				11.5.2
	306-2 Management of significant waste- related impacts	105-107				11.5.3
	306-3 Waste generated	162				11.5.4
	306-4 Waste diverted from disposal	163				11.5.5
	306-5 Waste directed to disposal	163				11.5.6
Water and effluents
GRI 3: Material Topics 2021	3-3 Management of material topics	95-99				11.6.1
GRI 303: Water and Effluents 2018	303-1 Interactions with water as a shared resource	95-99				11.6.2
	303-2 Management of water discharge-related impacts	95-99				11.6.3
	303-3 Water withdrawal	159-160				11.6.4
	303-4 Water discharge	160				11.6.5
	303-5 Water consumption	161				11.6.6
Asset integrity and critical incident management
GRI 3: Material Topics 2021	3-3 Management of material topics	100-101				11.8.1
GRI 306: Effluents and Waste 2016	306-3 Significant spill	175				11.8.2
GRI 306: Effluents and Waste 2016	Additional sector: Number of Tier 1 and Tier 2 process safety events, and a breakdown of this total by business activity	175				11.8.3
Occupational health and safety
GRI 3: Material Topics 2021	3-3 Management of material topics	114-120				11.9.1
GRI 403: Occupational Health and Safety 2018	403-1 Occupational health and safety management system	114-120				11.9.2
	403-2 Hazard identification, risk assessment, and incident investigation	114-120				11.9.3
	403-3 Occupational health services	114-120				11.9.4
	403-4 Worker participation, consultation, and communication on occupational health and safety	114-120				11.9.5
	403-5 Worker training on occupational health and safety	114-120				11.9.6
	403-6 Promotion of worker health	114-120				11.9.7
	403-7 Prevention and mitigation of occupational health and safety impacts directly linked by business relationships	114-120				11.9.8
	403-8 Workers covered by an occupational health and safety management system	114-120				11.9.9
	403-9 Work-related injuries	174				11.9.10
	403-10 Work-related ill health	174				11.9.11
	OGSS: Emergency Preparedness	114-120
Employment Practices
GRI 3: Material Topics 2021	3-3 Management of material topics	135-144				11.10.1, 11.11.1
GRI 401: Employment 2016	401-1 New employee hires and employee turnover	168				11.10.2
	401-2 Benefits provided to full-time employees that are not provided to temporary or part-time employees	142				11.10.3
	401-3 Parental leave	169				11.10.4, 11.11.3
GRI 402: Labor/ Management Relations 2016	402-1 Minimum notice periods regarding operational changes	142				11.10.5
GRI 404: Training and Education 2016	404-1 Average hours of training per year per employee	170				11.10.6, 11.11.4
	404-2 Programs for upgrading employee skills and transition assistance programs	138-139				11.10.7
	404-3 Percentage of employees receiving regular performance and career development reviews	144
Non-discrimination and equal opportunity
GRI 3: Material Topics 2021	3-3 Management of material topics	145-151				11.11.1
GRI 202 : Market Presence 2016	202-2 Proportion of senior management hired from the local community	171				11.11.2
GRI 405: Diversity and Equal Opportunity 2016	405-1 Diversity of governance bodies and employees	196-197				11.11.5
GRI 405: Diversity and Equal Opportunity 2016	405-2 Ratio of basic salary and remuneration of women to men	202				11.11.6
GRI 406: Non- discrimination 2016	406-1 Incidents of discrimination and corrective actions taken	150-151				11.11.7
Forced labor and modern slavery
GRI 3: Material Topics 2021	3-3 Management of material topics	145-151				11.12.1
GRI 409: Forced or Compulsory Labor 2016	409-1 Operations and suppliers at significant risk for incidents of forced or compulsory labor	145-151				11.12.2
Freedom of association and collective bargaining
GRI 3: Material Topics 2021	3-3 Management of material topics	145-151				11.13.1
GRI 407: Freedom of Association and Collective Bargaining 2016	407-1 Operations and suppliers in which the right to freedom of association and collective bargaining may be at risk	145-151				11.13.2
Local communities
GRI 3: Material Topics 2021	3-3 Management of material topics	121-134				11.15.1
GRI 413: Local Communities 2016	413-1 Operations with local community engagement, impact assessments, and development programs	121-134				11.15.2
	413-2 Operations with significant actual and potential negative impacts on local communities	121-134				11.15.3
	Additional Sector: Number and Type of grievances from local communities	121-134				11.15.4
Land and Resource Rights
GRI 3: Material Topics 2021	3-3 Management of material topics	145-151				11.16.1
GRI 412: Human Rights Assessment 2016	Additional Sector: List the locations of operations that caused or contributed to involuntary resettlement or where such resettlement is ongoing. For each location, describe how peoples’ livelihoods and human rights were affected and restored.	150				11.16.2
Rights of indigenous peoples
GRI 3: Material Topics 2021	3-3 Management of material topics	145-151				11.17.1
GRI 411: Rights of Indigenous Peoples 2016	411-1 Incidents of violations involving rights of indigenous peoples	145-151				11.17.2
	Additional Sector: List the locations of operations where indigenous peoples are present or affected by activities of the organization	150				11.17.3
	Additional Sector: Report if the organization has been involved in a process of seeking free, prior and informed consent (FPIC) from indigenous peoples for any of the organization activites	145-151				11.17.4
Conflict and security
GRI 3: Material Topics 2021	3-3 Management of material topics	145-151				11.18.1
GRI 410: Security Practices 2016	410-1 Security personnel trained in human rights policies or procedures	145-151				11.18.2
Public policy
GRI 3: Material Topics 2021	3-3 Management of material topics	AR 231				11.22.1
GRI 415: Public Policy 2016	415-1 Political contributions	AR 231				11.22.2

Topics in the applicable GRI Sector Standards determined as not material

Topics	Explanation
GRI 11: Oil and Gas Sector 2021
Topic 11.7 Closure and rehabilitation	There is no any closure and rehabilitation plan in the near future (> 10 years).