Stakeholder Engagement

The Business Value Chain

The Company is committed to be integrated renewable energy, equipment and electrical system business operator, using modern technology and innovation to develop infrastructure that is strong and sustainable, enhancing the quality of life and good health by involving all stakeholders from upstream to downstream and importantly contribute to the long-term value of the Company. The Company analyzes the value chain from the activities of every business group to identify key stakeholders. This analysis leads to the assessment of expectations and the development of strategies to respond to those expectations, ensuring efficient business operations, minimizing potential risks, and fostering good relationships with stakeholders to grow together sustainably. The Company has identified 8 key stakeholder groups: employees, suppliers (products/ services providers, trade creditors), customers, competitors, shareholders and investors, public sector, business partners, and communities and society.

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Stakeholders Engagement

Expectations

Job stability along with appropriate, fair and competitive compensation and benefits that align with current economic conditions.
Holistic welfare that cares for physical health, mental well-being and a healthy work-life balance.
Fair personnel management under a people-centric organizational culture that promotes diversity, equity and non-discrimination at all levels.
Learning and skill development opportunities, covering both essential skills for current roles and future skills for career growth.
Social learning and opportunities for knowledge exchange among personnel.
Performance appraisal systems and career progression processes that are fair, transparent and merit-based.
Sufficient work equipment and tools, along with a safe and healthy working environment that promotes preventive well-being.
Application of modern tools and technologies to enhance work efficiency.
Transparent internal communication that provides opportunities for feedback, listens to suggestions and responds effectively to employee needs.

Goals and Communication Channels

Goals:

Employee Engagement score no less than 80.00%.
Employee turnover rate is less than or equal to the previous year.
Average employee training hours of no less than 9 hours per person per year.
Employees achieve career progression and job stability.
Work-related accident rate is zero.
Promote diversity within the organization and increase the proportion of diverse personnel at all levels

Communication Channels:

Employee potential development needs survey
Employee satisfaction and organizational commitment survey
New employee orientation program
Engagement and corporate culture building activities
Executive meeting sessions with employees (Town Hall / Management Communication)
News and activity dissemination through internal communication channels
Whistleblowing channels or employee suggestion platforms
56-1 One Report and Sustainability Report

Responding to Key Expectations

Approaches to Responding:

Conduct an annual market compensation and benefits survey to evaluate and establish appropriate, fair and flexible policies for compensation, benefits and welfare.
Develop a standardized, transparent and non-discriminatory recruitment and selection system to manage talent (Talent Management).
Establish frameworks and standards for personnel development to enhance capabilities in alignment with organizational expectations and business growth.
Provide continuous training programs for professional, future and behavioral skills to foster a learning culture within the organization.
Promote collaborative learning through knowledge exchange activities, experience sharing and integrated working to enhance efficiency and skill diversity.
Provide safe, hygienic, and efficient workspaces, equipment and environments, while actively promoting employee well-being.
Develop and apply appropriate internal tools, technologies and systems to support operations and enhance operational efficiency.
Conduct an annual employee satisfaction and engagement survey to continuously improve human resource management.
Provide multiple, accessible, and safe communication channels and platforms for feedback from employees at all levels.
Foster an organizational culture that respects diversity, equality and human rights, while creating a work environment free from discrimination.

Performance Results Against Goals:

Employee Engagement Score: 70.00%
Voluntary employee turnover rate: 21.45%
Average training hours: 15.06 hours per person per year.
Number of employees promoted: 39 people
Lost Time Injury Frequency Rate (LTIFR): 0.74 for employees and 0.00 for contractors (cases per 1,000,000 hours worked).
Employee gender diversity ratio: Male 59%: Female 41%.

Expectations

Transparent, fair and auditable procurement processes based on principles of fair competition.
On-time and fair payment in accordance with agreed-upon terms and conditions.
Consistent communication of up-to-date procurement policies, regulations and guidelines.
Business conduct in compliance with laws, regulations and contractual terms, including respect for intellectual property rights.
Operational integrity, transparency and freedom from corruption or conflicts of interest.
Building strong relationships and long-term collaboration for effective partnership.
Listening to feedback and complaints from suppliers to drive process development and improvement.
Protection and confidentiality of information received from suppliers.
Collaborative development and enhancement of sustainable procurement, covering Environmental, Social and Governance (ESG) issues.
Risk management and business continuity to mitigate potential impacts on suppliers.

Goal and Communication Channels

Goals:

The performance evaluation score or suppliers’ performance assessment is at an excellent level.
100% of Critical suppliers have been communicated about the Supplier Code of Conduct.
100% of Critical suppliers have been assessed on sustainability, covering economic, social, and environmental (ESG) issues.
Critical suppliers are regularly assessed for sustainability and human rights risks.

Communication Channels:

Supplier selection assessment
Supplier risk assessment
Supplier performance evaluation
Business meetings or seminars
Channels for receiving feedback, including complaints and suggestions
56-1 One Report and Sustainability Report

Responding to Key Expectations

Approaches to Responding:

Develop and communicate the Supplier Code of Conduct to ensure supplier awareness and compliance.
Establish supplier selection criteria that consider quality, standards, and sustainability factors.
Review and improve the procurement process to ensure transparency, fairness, and auditability.
Regularly evaluate key suppliers and assess sustainability risks annually to develop supplier development plans.
Control and monitor compliance with legal requirements and intellectual property obligations.
Build strong relationships through site visits, listening to feedback, and collaborative, constructive problem-solving.
Comply with personal data protection laws and measures to safeguard supplier confidentiality.
Promote the procurement of environmentally friendly products and services, and support suppliers in reducing their environmental impact.
Support the potential development of suppliers, especially local or small-scale suppliers, for sustainable growth.
Provide safe and confidential whistleblowing or complaint channels for suppliers.

Performance Result Against Goals:

The performance evaluation score or suppliers’ performance assessment is at an excellent level.
100% of Critical suppliers have been communicated about the Supplier Code of Conduct.
100% of Critical suppliers have been assessed on sustainability, covering economic, social and environmental (ESG) issues.

Expectations

High-quality, safe products and services that comply with relevant standards.
Efficient and on-time delivery of products and services, fully meeting agreed-upon terms and conditions.
Fair and appropriate pricing that aligns with current economic conditions.
Effective after-sales service with the ability to provide prompt assistance and solutions.
Continuous development of products and services through modern innovation and technology to enhance competitive potential.
Protection of personal data and robust cybersecurity measures.
Provision of environmentally friendly products and services that help mitigate social impacts.
Complete, accurate, and non-misleading communication regarding product and service information.
Convenient and accessible channels for feedback or complaints with appropriate responsiveness.

Goals and Communication Channels

Goals:

Customer satisfaction with products and services of at least 90.00%.

Communication Channels:

Channels for receiving feedback, complaints, and suggestions from customers
Customer satisfaction surveys
Site visits, meetings, training sessions, and seminars
Communication through the corporate website and social media platforms
Customer service center or dedicated customer coordination officers
56-1 One Report and Sustainability Report

Responding to Key Expectations

Approaches to Responding:

Monitor and control production and service processes to ensure compliance with international quality and safety standards.
Develop a quality assurance system covering the entire supply chain, from raw material sourcing to delivery.
Plan product delivery efficiently and provide traceable delivery status information.
Set fair prices for products and services while communicating accurate and transparent information.
Enhance employee skills and expertise to elevate the quality of customer service.
Regularly assess customer satisfaction and utilize results to continuously improve products and services.
Research and develop innovations, particularly in renewable energy and clean technology, to add value and reduce environmental impacts.
Improve production processes to enhance product efficiency and quality.
Implement personal data protection and cybersecurity measures in compliance with relevant laws.
Establish a fair, transparent and auditable customer complaint management system.

Performance Result Against Goals:

Customer satisfaction with products and services: 89.40%.

Expectations

Transparent, honest, and fair business competition under trade competition laws.
Respect and compliance with laws related to intellectual property, copyrights and commercial rights.
Protection of business confidentiality and non-disclosure of information that could cause damage to others.
Avoidance of behaviors that may lead to monopolies, bid-rigging or unfair competition.
Establishment of industrial collaboration on issues of mutual benefit, such as safety standards, clean technology or sustainable development.

Goals and Communication Channels

Goals:

No complaints related to intellectual property or copyright infringement.
No cases of legal violations regarding trade competition.

Communication Channels:

Participation in seminars, industry forums, and professional associations.
Meetings and engagement activities to exchange perspectives on academic issues and industry development
Communication through the corporate website
56-1 One Report and Sustainability Report

Responding to Key Expectations

Approaches to Responding:

Operate business with transparency, maintaining ethics and integrity and strictly complying with trade competition laws.
Establish measures to protect confidential business information and define appropriate access rights.
Foster constructive collaboration with industry participants to enhance industry standards, safety, technological advancement, and the overall sustainability of the business sector.

Performance Result Against Goals:

No significant complaints or legal cases related to intellectual property infringement or unfair competition.

Expectations

Good corporate governance, transparency and an effective risk management system.
Strong performance with the ability to generate sustainable growth and profitability.
Appropriate and consistent investment returns under a clear dividend policy.
Business operations aligned with the Company’s strategy, goals and long-term growth direction.
Equal, fair, and non-discriminatory protection of shareholder rights.
Accurate, complete, transparent and timely disclosure of information to support investment decisions.
Effective performance in Environmental, Social and Governance (ESG) aspects to manage long-term risks and opportunities.

Goals and Communication Channels

Goals:

Investor relations survey results of at least 90.00%.
No cases of inaccurate information disclosure or non-compliance with regulatory requirements.

Communication Channels:

Annual General Meeting of Shareholders (AGM)
Announcement of business plans, operational intentions and "Opportunity Day" activities
Analyst Meetings
Communication through the Company’s Investor Relations website
56-1 One Report and Sustainability Report

Responding to Key Expectations

Approaches to Responding:

Operate business effectively based on good corporate governance principles.
Manage performance for sustainable growth alongside prudent risk management.
Establish an appropriate dividend policy aligned with operational performance and financial status.
Disclose operational results and key information transparently, completely and consistently.
Communicate regularly with investors through Stock Exchange of Thailand (SET) events and the Company’s Investor Relations channels.
Integrate ESG issues into business strategies to create added value and long-term confidence.

Performance Result Against Goals:

Investor relations survey results: 91.40%.

Expectations

Business operations in compliance with relevant laws, rules and regulations.
Accurate, complete, transparent and timely reporting of performance results to regulatory authorities.
Promotion of good corporate governance and business operations based on ethical principles.
Prevention and opposition to bribery and corruption, including refusal of inappropriate benefits.
Compliance with tax laws and full payment of relevant taxes and fees.
Cooperation and support for projects or activities beneficial to national development.

Goals and Communication Channels

Goals:

No cases of violation or non-compliance with government regulations.
Continuous participation in projects or activities promoted by the public sector.

Communication Channels:

Site visits, meetings, and training/seminars
Standard audits and reviews
Public-Private Partnership (PPP) activities
56-1 One Report and Sustainability Report

Responding to Key Expectations

Approaches to Responding:

Operate business under good corporate governance and in compliance with relevant laws and regulations.
Disclose information transparently and consistently.
Participate in anti-corruption networks.
Engage in collaborative activities between the public and private sectors.
Cooperate with government agencies to support projects and activities beneficial to society and the nation.

Performance Result Against Goals:

No cases of violation or non-compliance with government regulations.
Participated in the 2025 Human Rights Model Organization Project organized by the Rights and Liberties Protection Department, Ministry of Justice, and received the Outstanding award.
Maintained certified membership status in the Thai Private Sector Collective Action Against Corruption (CAC) continuously.

Expectations

Transparent business operations under good corporate governance principles and business ethics.
Strict compliance with laws, standards, and requirements related to safety, quality, environment and society.
Effective risk management covering business, financial, legal and climate-related risks.
Clear long-term strategic planning to enhance competitive potential and support future market expansion and investment.
Creation of added value and sustainable returns from mutual business operations.

Goals and Communication Channels

Goals:

No violations or non-compliance with agreements or contractual terms.

Communication Channels:

Board meetings in subsidiaries and associated companies
Strategic and operational discussion meetings with partners
Communication through the Company’s website
56-1 One Report and Sustainability Report

Responding to Key Expectations

Approaches to Responding:

Operate business under good corporate governance and in compliance with relevant laws and regulations.
Develop a comprehensive strategic plan for the renewable energy business.
Invest in innovation to develop new technologies that reduce production costs and improve energy efficiency.
Develop projects with high potential for sustainable returns, such as domestic and international renewable energy market expansion or clean energy investments with strong financial returns.
Establish a comprehensive risk management plan covering financial, legal and climate-related risks, such as investing in low-risk projects and utilizing technologies to mitigate natural disaster impacts.

Performance Result Against Goals:

No violations or non-compliance with agreements or contractual terms.

Expectations

Promotion of stable employment, income generation and improvement of the quality of life for community members.
Active participation in supporting activities or projects that generate sustainable positive impacts on the community's social, economic and environmental aspects.
Advance communication of information and operational plans prior to implementing projects in the area.
Appropriate support of funds or resources for community development.
Transfer of knowledge and skill enhancement, particularly regarding renewable energy and related technologies.
Building positive relationships and fostering respectful and responsible coexistence with local communities.
Practicing responsible environmental stewardship to minimize negative impacts on surrounding communities and society.

Goals and Communication Channels

Goals:

Achieve community satisfaction with the Company’s operations of at least 80.00%.
No complaints from society and the community.
Reduction of the organization’s greenhouse gas emissions in Scope 1 and Scope 2 compared to the previous year.

Communication Channels:

Site visits and community engagement meetings
Channels for receiving complaints, suggestions, and feedback from the community
Public forums or project information clarification meetings

Responding to Key Expectations

Approaches to Responding:

Conduct site visits to listen to feedback and suggestions and monitor operational impacts to appropriately improve operational plans.
Support budgets or resources for the development and maintenance of essential community infrastructure.
Apply environmentally friendly technologies and innovations to reduce impacts and enhance the community's quality of life.
Operate renewable energy learning center projects to transfer knowledge and foster understanding of clean energy within the community.
Support social activities that align with the local context and the specific needs of each community.
Promote local employment and support community business development to stimulate the local economy.
Encourage participation from all sectors to create a healthy and sustainable environment at the community level.
Promote environmentally friendly operations, reducing resource consumption and greenhouse gas emissions throughout the organization.
Continuously develop projects to enhance the quality of life for the community, including vulnerable groups.

Performance Result Against Goals:

Community satisfaction rate regarding the Company’s operations: 80.82%.
No significant complaints from society and local communities.
Total greenhouse gas emissions across all 3 scopes amounted to 19,633 tCO2e. Greenhouse gas emissions from Scope 1 and Scope 2 totaled 2,948 tCO2e, representing a 4.87% decrease from 2024.