The company is committed to adopt a Materiality Assessment of GRI to evaluate the company’s important aspects of sustainability and its stakeholders. Reporting of management guidelines and performance relating to corporate sustainability places an emphasis on material aspects. This corporate sustainability report has been prepared under the significant processes, as briefly detailed below.

Step 1 Identification

Step 1 Identification

Identification of aspects relating to sustainability toward the company and stakeholders is considered by indicators of Global Reporting Initiative (GRI). The issue identification is selected based on alignment with strategic direction, corporate risks and internal and external stakeholders’ interests and expectations.

Step 2 Prioritization

Prioritization of material aspects are related to sustainability by considering and revising significance of each aspect with evaluation. This evaluation is processed with range of 1 point - 4 points in 2 main dimensions; significance of company’s economic, environmental and social aspects, and influence of stakeholders assessments and decisions of GPSC.

Points given in each aspect depend upon risk estimation and business opportunities, as well as impacts on stakeholders. Additionally, opinions of stakeholders are also applied for prioritizing aspects.

Step 3 Validation

Demonstration of the material aspects to responsible sectors is to consider the material aspects, fact-check, and to evaluate important contents as well as prove process of conducting this report. In addition, they have to ensure the report’s completeness, balance, comparability, accuracy and coverage.

Step 4 Review

Review of the sustainability report should be made to verify material aspect and data accuracy, and revisit policy, objectives and goals of the company. Additionally, the development of stakeholder engagement should be applied and reflect aspects of importance to stakeholders.

Materiality Matrix
Reporting Content
  • Management approach, performance, target, case
  • Management approach, performance
  • Performance or not report
Materiality Aspects
IMPACT ITEM MATERIAL ISSUES
ECONOMIC 1
2
3
4
5
Integrity / Business Ethic & Governance
Customer Satisfaction
Innovation
Production Reliability
Management of Contractors & Suppliers
ENVIRONMENT 6
7
8
Climate Change Risk and Adaptation
Habitat Protection and Biodiversity
Operational Eco-Efficiency
SOCIAL 9
10
11
Human Capital Development
Safe Operations
Engagement / Community Relation / Creating Shared Value