Step 1

Identification

Step 2

Prioritization

Step 3

Validation

Step 4

Review

Process

Identification of relevant issues that have impacts on sustainability of GPSC and its stakeholders throughout the value chain across economic, social and environmental dimensions. Issues taken into considering include all stakeholder expectations, global changing trends, the company’s operation strategies, risk and challenge factors, GRI Standards, global business. Trends of global business and in the same industry group, including collection others of various issues into a group of Issues (Aspects) which leads to the management of the company Appropriate for all stakeholders

Practice Guidelines
  • PTT Group's and GPSC's Sustainable Development Guidelines
  • Sustainable Development Goals: SDGs
  • International Practice Guidelines, including GRI1, DJSI2, SDGs3, WBCSD4, CDP5, ISO 260006, UNGC7,IIRC8 and others
  • All internal and external stakeholders' voices
  • Community Satisfaction Survey
  • Community Satisfaction Survey
  • Corporate image management process
  • Complaint channels
  • Corporate Risk Assessment
Process

Assessing the levels of importance of material aspects to determine what should be reported by taking into account the impacts on GPSC and the impacts on stakeholders. The assessment of each aspect and topic is determined by risk and opportunity assessment and factors affecting the company and stakeholders, along with stakeholders' voices. Each aspect is classified into three levels of importance; high, medium and low. This report covers and focuses only on the aspects with high and medium material levels.

  • IDENTIFY STAKEHOLDER GROUPS FOR ENGAGEMENT Identify and prioritize stakeholder group and methodology for engagement
  • DEVELOP INTERVIEW QUESTIONS Prepare specific questions for to external stakeholder for engagement
  • EXTERNAL STAKEHOLDER INTERVIEW Conduct the interview sessions
  • ANALYZE THE RESULT FROM EXTERNAL ENGAGEMENT Analyze the result from the interview sessions and present the draft material topic
Practice Guidelines
  • Workshops with representatives from all agencies that are directly relevant to each stakeholder group.
  • Interviewing external stakeholders
Process

Reporting the summary of materiality assessment and identified topics that are in alignment with the GRI Aspects, to be analyzed by responsible parties to ensure a more comprehensive assessment. In addition, the summary of material aspect in GPSC Sustainability Report will be reviewed, validated and approved by GPSC’s Management Committee.

Practice Guidelines
  • Materiality assessment analyzed by external shareholders prior to being reviewed by each department.
  • Interview with representatives from all stakeholder eight groups.
  • Materiality assessment reviewed by the company’s executives.
Process

Identification of relevant issues that have impacts on sustainability of GPSC and its stakeholders throughout the value chain across economic, social and environmental dimensions. Issues taken into considering include all stakeholder expectations, global changing trends, the company’s operation strategies, risk and challenge factors, GRI Standards, global business. Trends of global business and in the same industry group, including collection of various issues into a group of issues (Aspects) which leads to the management of the company Appropriate for all stakeholders.

Practice Guidelines
  • The sustainability report reviewed by external agencies.
  • Complaints and Comments Channels.
  • Sub-group meetings of sustainability agencies to review the sustainability report
Remark:

1 Global Reporting Initiative (GRI) is the organization that initiates the international report which is used as a prototype of preparing a report of sustainable development.

2 Dow Jones Sustainability Indices (DJSI) is a family of capital indices that assesses the effectiveness of business operations according to the guideline of sustainable development of the world’s leading companies which the worldwide funds use it as the investment criteria.

3 Sustainable Development Goals (SDGs) is a set of sustainable development goals under the United Nations (UN), comprising 17 main objectives to be achieved and implemented by 2030.

4 World Business Council for Sustainable Development (WBCSD) is the committee of business persons operating business for the world’s environment. This committee comprises business persons from the groups of more than 120 international leading companies that are officially accredited in the “Earth Summit” in 1992.

5 Carbon Disclosure Project (CDP) is the global institution highly recognized by its environmental management.

6 ISO 26000 is an international standard for social responsibility.

7 UN Global Compact (UNGC) is a United Nations initiative that incorporates into business policies and strategies so companies can uphold to the accepted international standards in the area of human rights, labor, environment and anti-corruption.

8 Integrated Reporting (IIRC) is integrated report is a concise communication about how an organization’s strategy, governance, performance and prospects, in the context of its external environment, lead to the creation of value over the short, medium and long term.

Materiality Matrix 2020
GRI 102-46, 102-47
Importance to Stakeholder
Significant to Company
Enabler

Issues promoting value creation/ risk management. those key points are considered issues that encourage value reation for the stakeholders/ businesses of the GPSC Group

Value Creation

Value-creation issues/ High-risk Issues. Theose key point are issues that can create value for the stakeholders/ businesses of the GPSCGroup or may Post a risk to the GPSCGROUP's stakeholders/ businesses.

  • Value-creating issues". such as profitability. good profits. business growth.
  • "High-risk issues", such as high costs which causing a lot of business loss etc.
Fundamental

Fundamental issues that need to be managed in accordance with the law, including Normal Standard / Practice issues are considered to be fundamental issues for the business of the Company.

Value Creation
  • Evolving the Business Model (Innovation Management, Market Opportunities)
  • A Clean Energy Future and Climate Resilience
  • Workforce Development and Well-Being
  • Maintaining Availability and Reliability
  • Customer Relationship Management
  • Occupational Health and Safety (OHS)
Enabler
  • Supply Chain Managemnt
  • Risk and Crisis Management and Information Security/ Cyber Security & System Availability
  • Sustainable Community
  • Environmental Management (Air pollutant emission, Waste and wastewater management)
Fundamental
  • Business Ethics and Anti-Corruption
  • Human Rights
  • Biodiversity
Materiality Sustainability Issues: Value Creation
Scope of ESG Risks
and Opportunities
Capital Value Global Report
Initiative: GRI
Related
Stakeholder
Consistency with the
Sustainable
Development Goals (SDGs)
Customer Relationship Management
  • Customer Satisfaction
  • Customer Relationship
  • Management
  • Customer Data Privacy
  • Protection
Social and Relationship
  • Management Approach (103-1, 103-2, 103-3)
  • Employee
  • Customer
Maintaing Availability and Reliability
  • Production system stability and efficiency.
  • Risk management in crisis conditions.
  • Personnel management in the production.
  • Investment in production utilities
Financial, Manufactured
  • Management Approach (103-1, 103-2, 103-3)
  • System Efficiency (EU-1, EU-2, EU-11)
  • Demand Side Management (EU-10)
  • Availability and Reliability (EU-28, EU-29, EU-30)
  • Shareholders
  • Investors
  • Partners
  • Employee
  • Customer
Evolving the Business Model
  • Research and Innovation Development
  • Distributed Generation
  • Market Opportunities
Financial, Intellectual
  • Management Approach (103-1, 103-2, 103-3)
  • Shareholders
  • Investors
  • Partners
  • Government Agencies and Related Organizations
  • Employees
  • Suppliers and Contractors
  • Customers
  • Community and Society
Clean Energy Future and Climate Resilience
  • Decarbonization
  • Energy production from renewable energy
  • Reducing Greenhouse Gas Emissions
  • Climate change risks and opportunities
  • Internal Carbon Pricing
Financial, Intellectual
  • Management Approach (103-1, 103-2, 103-3)
  • Energy (302-1, 302-2, 302-3, 302-4)
  • Emission (305-1, 305-2, 305-3, 305-4, 305-7)
  • Shareholders
  • Investors
  • Partners
  • Government Agencies and Related Organizations
  • Employees
  • Suppliers and Contractors
  • Customers
  • Community and Society
Occupational Health and Safety
  • Occupational Health and Safety
  • Process Safety
  • Assess and prevent occupational health risks
Human
  • Management Approach (103-1, 103-2, 103-3)
  • Occupational Health and Safety (403-1, 403-2, 403-3, 403-4, 403-5, 403-6, 403-7, 403-9, 403-10, EU-25)
  • Government Agencies and Related Organizations
  • Employee
  • Suppliers and Contractors
Workforce Development and Well-Being
  • Capacity Development
  • Career Development and Succession
  • Diversity and Equal Opportunity
  • Employee Well-Being
  • Benefits and Compensation
Human
  • Management Approach (103-1, 103-2, 103-3)
  • Training and Education (404-1)
  • Government Agencies and Related Organizations
  • Employee
Communication & Credibility
Target management practices and results of operations of the company in the GPSC holds 75% or more shares or has control (Strategic Owner). -
  • GRI Standards
  • Shareholders
  • Investors
  • Partners
  • Government Agencies and Related Organizations
  • Employee
  • Suppliers and Contractors
  • Customer
  • Community and Society

Revised as of February 2021

The above content has been produced in accordance with the Global Reporting Initiative (GRI Standards) sustainability reporting standard, validated by third parties and provides limited assurance of reporting information (Limited assurance).