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Corporate Social Responsibility

CORPORATE SOCIAL RESPONSIBILITY POLICY AND GUIDELINES

GRI 2-23, 2-24, 3-3

Global Power Synergy Public Company Limited (GPSC) operates under sustainability management policies and social environmental responsibility policies through various forms of social and community development projects that are in line with the business strategy and direction of the organization. GPSC also focuses on engaging with all groups of stakeholders, both inside and outside the organization, especially those around the operating area of GPSC for sustainable coexistence.

Social and Environmental Responsibility Policy
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GPSC CSR Strategy (2025 - 2027)
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GPSC CSR Guideline
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CORPORATE SOCIAL RESPONSIBILITY AND COMMUNITY RELATIONS MANAGEMENT STRUCTURE

GPSC Group places strong emphasis on Corporate Social Responsibility (CSR) and community development through a well-defined governance structure. The Corporate Governance and Sustainability Committee is responsible for establishing policies, providing strategic direction, and overseeing CSR implementation to ensure alignment with GPSC sustainability objectives. The Corporate Communication and Public Affairs function is responsible for implementing CSR initiatives and driving programs that create shared value while fostering meaningful engagement with stakeholders.

To ensure that CSR activities achieve their intended objectives, GPSC regularly monitors, reviews, and reports CSR performance to the Corporate Governance and Sustainability Committee at least twice a year. The effectiveness of community development initiatives is evaluated against established key performance indicators (KPIs) to measure their outcomes and impacts on local communities and other stakeholders.

In addition, sustainability information relating to local communities is independently assured on an annual basis to enhance the accuracy, credibility, and transparency of GPSC public disclosures. The findings and recommendations from the assurance process are incorporated into the continuous improvement of CSR governance and management practices, enabling GPSC to create sustainable value for society, local communities, and all relevant stakeholders.

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Management Guidelines For Sustainable Coexistence With Communities

GRI 3-3, 413-1
Strategic Framework on Corporate Social Responsibility

GPSC believes that sustainable business growth goes hand in hand with creating long-term value for society, communities, and the environment. We recognize that our success depends on the well-being of the communities where we operate. Therefore, we engage with communities across 100% of our operational sites to understand their perspectives, concerns, and expectations. The insights gained are continuously integrated into our operations and community development initiatives to foster mutual trust and sustainable coexistence.

To drive meaningful social impact, GPSC has established a Corporate Social Responsibility (CSR) Strategy aligned with internationally recognized frameworks, including the S&P Global Corporate Sustainability Assessment (CSA) and the United Nations Sustainable Development Goals (SDGs). By leveraging our expertise in energy, innovation, and technology, we develop practical solutions that address key social and community needs while creating shared value for all stakeholders.

GPSC's Corporate Social Responsibility (CSR) initiatives are based on three core principles:

  • Alignment with GPSC mission and business strategy to create long-term shared value for both the business and society.
  • Leveraging GPSC core expertise and capabilities by applying knowledge, technology, and innovation to strengthen community capacity and resilience.
  • Responding to the needs and expectations of stakeholders, particularly communities surrounding our operational sites, through ongoing stakeholder engagement and participatory processes.

To advance excellence in corporate social responsibility and sustainability, the GPSC Group implements its CSR initiatives under the Environmental, Social, and Governance (ESG) framework, ensuring alignment with GPSC long-term business growth strategy. Our CSR approach integrates GPSC's core competencies with the United Nations Sustainable Development Goals (SDGs) to create sustainable value for society.

GPSC has established four strategic CSR pillars that guide the implementation of its social responsibility initiatives:

  • Power Accessibility
  • Quality of Life
  • Sustainable Innovation
  • Natural Resources and Environment

These strategic pillars are implemented in alignment with the GPSC EBITDA Uplift Program, with effective budget management and a primary focus on communities surrounding GPSC operations. Through this approach, GPSC strives to deliver measurable positive social impacts while contributing to GPSC long-term business performance and Net Profit objectives.

GPSC’s Target and Performance on Social Responsibility and sustainable co-existence with the community 2025 - 2027
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In 2025, GPSC continued to achieve its Corporate Social Responsibility (CSR) and community development targets, reinforcing GPSC commitment to creating shared value for society while advancing its vision of becoming a leading sustainable innovation company in the regional and global power industry. Key performance outcomes are summarized under three dimensions as follows:

  1. 1. Environmental
    The key environmental performance indicator is greenhouse gas (GHG) emissions reduction, which contributes to GPSC's commitment to achieving Net Zero Emissions. Key achievements include:
    • Light for a Better Life Program: 319.31 tCO₂eq per year
    • Zero Waste Village Program (Ban Phai Community, Rayong) and the High-Calorific Waste Collection Program: 11.85 tCO₂eq per year
    • Forest Restoration Program covering 3,230 rai, implemented in collaboration with the Royal Forest Department and the Mae Fah Luang Foundation: 1,096.70 tCO₂eq per year

    Total greenhouse gas emissions reduction: 1,427.86 tCO₂eq per year

  2. 2. Economic
    The key economic performance indicators are derived primarily from CSR initiatives that create sustainable income opportunities and reduce living expenses for local communities. Key achievements include:
    • Income generated through community enterprise development: THB 2,073,834 per year
    • Income generated through student employment under the Light for a Better Life – Mor Fai Fa Program: THB 80,000 per year
    • Procurement of community products, food, and services for Company activities: THB 476,732 per year
    • Cost savings generated through the monitored Light for a Better Life Program: THB 3,309,461 per year

    Total community income generation and cost savings: THB 5,940,027 per year

  3. 3. Social, Community and Employee Engagement
    The key performance indicators under the social dimension reflect the effectiveness of GPSC's CSR implementation across stakeholders, including communities and employees.
    Key achievements include:
    • Social Return on Investment (SROI) from CSR projects under the four strategic pillars ranged from 1.50 to 2.50
    • Overall community satisfaction: 88.72%
    • Employee volunteer participation: 369 volunteers, contributing a total of 1,573 volunteer hours

    GPSC's CSR and community engagement performance in 2025 reflects GPSC commitment to advancing its business while creating shared value for communities and society under the "Decarbonization for Sustainable Future" concept. By achieving all of its CSR performance targets, GPSC demonstrates its commitment to responsible, transparent, and sustainable business practices that contribute to the long-term well-being of communities and society.

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Power Accessibility

GRI 413-2
SDG 7: AFFORDABLE AND CLEAN ENERGY

GPSC aims to increase the share of renewable energy which is clean energy by developing energy infrastructure and services, especially in remote areas, so that people can have equal access to electricity, thus being able to carry out economic activities and have better well-being. GPSC, as the innovation leader in the PTT Group's electricity business, determined to bring skills, knowledge, capability, and expertise into the development of the electrical systems to deliver clean energy to the community. This is in line with the global energy trend and Thailand's National Energy Plan, which aims to promote clean energy and the reduction of greenhouse gas emissions to zero (Net Zero) by 2050.

Light for a Better Life (LBL) is a community support project that deploys the expertise and specialized skills of GPSC and its employees to take care of the community’s electrical system. The efforts reflected PTT Group’s leadership in power innovation and smart energy. Under this project, employees leveraged their expertise to take care of people in community, society, and the country (People of the Planet) in the aspects of safety, saving, energy security, and socio-economy. The LBL initiative was launched in 2014 as the Mor Fai Fa (Electricity Doctor) project and has since evolved into a clean energy access program. The initiative supports equitable access to electricity through the installation of solar photovoltaic (PV) systems and energy storage systems in communities and remote areas. Improved access to electricity also supports access to water (the interconnection between energy and water needs). Between 2018 and 2025, GPSC invested more than THB 23 million to expand access to clean energy.

SAFETY

Improve and repair electrical systems at public facilities, including schools, temples, and local healthcare centers, to reduce the risk of fire, electrical faults, and related hazards. The program also restores electrical systems for local government agencies affected by natural disasters.

SAVING

Upgrade electrical equipment and energy-efficient appliances, and install solar PV systems to reduce energy costs, enabling organizations to allocate the resulting savings to further development and other beneficial activities.

SECURITY

Install alternative energy systems in remote areas to improve quality of life, reduce barriers to accessing electricity, and strengthen energy security. This includes rooftop solar PV installations at hospitals, healthcare facilities, and educational institutions in remote communities.

SOCIO-ECONOMIC

Promote local employment and livelihoods by providing vocational training that equips community members with basic electrical skills. These skills enable them to maintain household electrical systems while creating opportunities for supplementary or long-term income.

In 2025, GPSC continued the Light for a Better Life (LBL) initiative to promote efficient energy use and enhance the quality of life of local communities. More than 30 volunteer engineers and students from Rayong Technical College participated in providing technical knowledge and improving electrical systems. The project was implemented at three locations:

  • Map Yang Phon School, Pluak Daeng District, Rayong Province
  • Nong Saphan Subdistrict Health Promoting Hospital, Ban Khai District, Rayong Province
  • Nong Taphan Learning Center, Ban Khai District, Rayong Province

GPSC in collaboration with PTT, deployed CSR engineers and employees to inspect and assess the installation of solar photovoltaic (PV) systems with a total installed capacity of 199.51 kWp at three temples: Wat Saket Ratcha Wora Maha Wihan (Golden Mount) in Bangkok, Wat Prayurawongsawat in Bangkok, and Wat Pa Thammatharapirom in Chiang Mai. The project is expected to reduce electricity expenses by up to THB 1,288,876 per year and decrease greenhouse gas emissions by 142,013 kgCO₂eq per year.

Quality of life

GRI 413-2
SDG 8: DECENT WORK AND ECONOMIC GROWTH

The company has a policy to support the development of the quality of life of people in the community and society. To have a good quality of life Safe from various dangers There is a career to support it. Have income and well-being Including having perfect mental and physical health. The projects were implemented as follows:

In collaboration with the PTT Group, GPSC provides educational donations to Kamnoetvidya Science Academy (KVIS) and the Vidyasirimedhi Institute of Science and Technology (VISTEC) under a 10-year commitment from 2022 to 2031 to strengthen Thailand's innovation and research capabilities.

GPSC also places strong emphasis on vocational education by providing iPEC and MERIT scholarships to students at the IRPC Technological College (IRPCT), aiming to enhance the quality and standards of vocational education, with a particular focus on the petrochemical and energy sectors.

In addition, GPSC supports educational development in local communities through its 18th Undergraduate Scholarship Program, which provides continuous scholarships for undergraduate students, as well as scholarships for students from communities surrounding GPSC power plant operations.

GPSC supports the Ban Phai Community Enterprise (Ban Phai Village Savings Group Community Enterprise) in Nong Taphan Subdistrict, Ban Khai District, Rayong Province, located within a 5-kilometer radius of the RDF power plant. GPSC has promoted and developed the community's integrated waste management process since 2018.

In 2025, GPSC provided plastic recycling equipment to the community with the aim of reducing plastic waste. The equipment enables the community to sort, shred, and upcycle plastic waste into value-added products that can be sold to generate sustainable income.

Through this support, the community has participated in creating shared value (Creating Shared Value: CSV) by using upcycled materials to develop products that received the Prime Minister's Industry Award 2025, while GPSC did not expect any financial return. This reflects the collaboration between GPSC and the community in driving sustainable development.

In addition, GPSC supports community livelihoods by improving the design of fabric bags produced by the Khao Mai Community Enterprise in Rayong Province. The bags have been redesigned with modern Korean- and Japanese-inspired styles, while further developing the community enterprise to meet higher standards, helping create jobs and generate additional income for vulnerable groups.

In 2025, Thailand experienced two major flood events: the mid-year floods (July–September 2025) and the year-end floods (November–December 2025). These events caused widespread flooding across many provinces, resulting in significant damage to homes and communities. In addition, an earthquake affected Bangkok on 28 March 2025. The Company's executives and employees worked together to prepare relief packages containing drinking water, medicines, and other essential supplies for people affected by the disasters.

During the severe flooding in Songkhla Province, Southern Thailand, the Company supplied diesel fuel for backup generators to support flood victims staying at temporary shelters. GPSC employee volunteers also joined students from the Eastern Institute of Vocational Education to inspect household electrical systems, repair electrical appliances and vehicles damaged by the floods, and provide guidance on the safe use of electrical equipment after the floodwaters had receded.

Sustainable Innovation

GRI 413-2
SDG: 9: INDUSTRY, INNOVATION AND INFRASTRUCTURE

As a leader in power business innovation of the PTT Group, the company recognizes the importance of innovation in organizational development. It actively promotes the application of innovation in both business and social dimensions to address the rapid changes in today’s world. The company believes that social innovation an area gaining significant attention has the potential to effectively address social challenges and improve people's quality of life through the application of new technologies and fresh ideas.

GPSC supported Thai high school students in participating in the 2nd International Nuclear Science Olympiad (INSO 2025), held from 30 July to 6 August 2025 in Bangi, Malaysia, and at the Queen Sirikit National Convention Center, Bangkok. The competition brought together 55 students from 14 countries. Thai students won three silver medals in the competition.

GPSC shared knowledge on the use of AI and chatbots, as well as cybersecurity awareness and cyber scam prevention, with 352 community members and local fishermen in communities surrounding GPSC Group's power plants.

In addition, GPSC organized an AI training and demonstration session for 150 students at Rayongwittayakhom Industrial Estate School, introducing the use of AI for career guidance. The program helps students assess their potential, develop digital skills, and learn how artificial intelligence (AI) can be applied to identify their strengths and support future career planning.

The Company, in collaboration with the PTT Group in Rayong and the Marine and Coastal Resources Office 1 (Rayong), organized the PTT Group Rayong Innovator Challenge 2025 under the theme "Ocean Mission: Innovation for the Sea." The project aims to enhance the skills, creativity, and environmental awareness of Thai youth, particularly vocational students.

A total of 40 participants joined the competition, resulting in eight innovative projects that benefit society. The winning project, "Beach Cleaning Vehicle," was developed by students from IRPC Technological College (IRPCT). GPSC subsequently demonstrated its practical application during the International Coastal Cleanup Day at Saeng Chan Beach, Rayong Province.

Natural Resources and Environment

GRI 413-2
SDG 13: CLIMATE ACTION

GPSC recognizes its social and environmental responsibility, particularly towards areas and communities surrounding its sites of operation. To this end, the Company has undertaken various projects that promote environmental conservation, the restoration of ecological balance and biodiversity, and the use of clean energy.

GPSC Forest Ecosystem Restoration for Carbon Sequestration Towards Net Zero

GPSC has established a natural carbon sequestration strategy through forest restoration to increase carbon dioxide absorption and storage. The initiative also aims to conserve and restore forests in collaboration with local communities to ensure long-term sustainability in forest conservation, biodiversity enhancement, job creation, and the development of natural food and herbal resources, thereby improving the quality of life of surrounding communities.

GPSC has set a target to restore 10,000 rai of forest by 2030, with the project commencing in 2023. In partnership with the Royal Forest Department, GPSC has restored 230 rai of forest in Loei Province and will continue maintaining the restored forest for 10 years, through 2032. The project is currently in its third year of the maintenance period.

The project has been registered under the Thailand Voluntary Emission Reduction Program (T-VER) with the Thailand Greenhouse Gas Management Organization (Public Organization) (TGO).

GPSC expanded its forest carbon sequestration initiative in collaboration with the Mae Fah Luang Foundation under Royal Patronage, covering 3,000 rai under the Forest Carbon Credit Management for Sustainable Development Project 2025 in Northern Thailand.

A collaboration agreement was signed on 20 October 2025 at the headquarters of Global Power Synergy Public Company Limited (GPSC). The project was officially launched with a tree-planting activity on 7 November 2025 at Ban Mueang Ruang Community Forest, Mae Korn Subdistrict, Mueang District, Chiang Rai Province, with participation from the Company's Board of Directors, executives, employees, representatives of the Mae Fah Luang Foundation, and members of the local community.

In 2025, GPSC continued its check dam construction project for the 11th consecutive year, building 10 check dams at Ban Phu Don Huai Mahat Community Forest, Ban Chang Subdistrict, Ban Chang District, Rayong Province. Since the project began in 2015, a total of 187 check dams have been constructed. The project helps slow water flow during the rainy season, prevent soil erosion, reduce the force of stream currents, increase soil moisture in forest areas, and enhance biodiversity.

In addition, GPSC in collaboration with Klaeng Subdistrict Municipality and government agencies, including the Forest Resource Management Office 9 (Chonburi) and the Community Forestry Promotion Center 6 (Rayong), organized the 2025 Mab Chan Community Forest Tree Planting Project at Ban Mab Chan Community Forest, Klaeng Subdistrict, Mueang District, Rayong Province.

GPSC employees participated as volunteers to plant 200 Takhian Thong (Hopea odorata) trees across more than 10 rai of community forest. The project also promoted the cultivation of six food and medicinal plant species—turmeric, white turmeric, fingerroot, cassumunar ginger, shampoo ginger, and ginger—with more than 200 kilograms of planting materials provided. The initiative aims to strengthen food security for the community, with more than 500 households benefiting from crops that can be harvested throughout the year.

GPSC will continue to maintain the restored forest by monitoring tree growth annually and promoting community participation in the long-term care and conservation of the forest.

GPSC monitors and assesses biodiversity outcomes from its forest restoration and maintenance projects. Based on the assessment of four area-based project sites during 2022–2025—Ban Mab Chan Community Forest, Ban Phu Don–Huai Mahat Community Forest, Khao Huai Mahat Forest, and Ban Siri Anusorn Community Forest—biodiversity has increased compared with the baseline, with plant species increasing by 14% and animal species increasing by 100%.

For the 230-rai reforestation project outside the operational area in Pak Chom and Na Duang Districts, Loei Province, which commenced in 2023, the tree survival rate reached 90% in 2024 and 87% in 2025.

GPSC in collaboration with network partners and the Rayong Small-Scale Fisheries Association, organizes an annual Aquatic Species Release Program. In 2025, a total of 1,753,299 aquatic animals were released into the sea to increase juvenile aquatic populations, conserve local fisheries, and promote learning about the local way of life. The program also helps generate income for local fishing communities, protect the marine environment, and strengthen collaboration among the public sector, private sector, and local communities.

GPSC has served as a mentor to the Ban Phai Community Enterprise (Ban Phai Village Savings Group Community Enterprise) in Nong Taphan Subdistrict, Ban Khai District, Rayong Province, one of the communities located within a 5-kilometer radius of the GPSC RDF power plant. Since 2018, GPSC has promoted and supported the development of an integrated waste management system for the community.

In 2025, GPSC provided plastic recycling equipment to the community to help reduce plastic waste that cannot be conventionally recycled and promote its upcycling into value-added products that can be sold to generate sustainable income for the community.

Through this initiative, the community participated in creating shared value (Creating Shared Value: CSV) by transforming upcycled materials into components of the 2026 New Year gifts presented to GPSC without any charge.

Value Created for the Community and Society

  • Total community enterprise income: THB 874,461
  • Total waste reduced through waste management: 4,671.38 kilograms
  • Total study visit participants from across the country: 3,732 people
  • Social Return on Investment (SROI): 1.53

GPSC has implemented the High-Calorific Waste Sorting Promotion Program in collaboration with four community waste banks: Wat Chak Luk Ya Community Recycling Waste Management Center, Khao Phai Community Waste Bank, Noen Phayom Community Environmental Bank, and the Ban Phai Community Waste Management Learning Center. The program aims to manage non-recyclable waste by converting it into Refuse-Derived Fuel (RDF).

The results of the program from January to December 2025 are as follows:

  1. Total non-recyclable waste managed: 5,380 kilograms
  2. Equivalent greenhouse gas emissions reduced: 2,341 kgCO₂e (kilograms of carbon dioxide equivalent)

Public Participation

GRI 413-1, 413-2

GPSC actively participates in governance and stakeholder engagement mechanisms to maximize benefits for society through various platforms and key committees, including the Tripartite Committee for the Prevention, Mitigation, and Monitoring of Environmental Impacts, the Environmental Measures Monitoring Working Group, the Map Ta Phut Industrial Estate Factory Inspection Working Group under the White Flag–Green Star Project, the EIA Monitoring Committee for environmental quality monitoring measures in the Map Ta Phut Industrial Estate, as well as Eco Factory and Green Industry assessments.

Revised as of February 2026

The content above is based on sustainability reporting standards by The Global Reporting Initiative (GRI Standards), and externally validated and verified for accuracy of the reporting data at "Limited Assurance" level

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