Business Sustainability Development

The company’s Board of Directors has assigned the Corporate Governance and Sustainability Committee to oversee good corporate governance and sustainable development, which includes setting sustainability performance goals, monitoring performance results, as well as overseeing and setting operational targets related to climate change. The Chief Sustainability Officer is responsible for monitoring and supervising the sustainability activities of the group companies. A Sustainability Working Group has been appointed, consisting of senior executives from key business units, to oversee the development and implementation of the organization’s sustainability strategy and to present sustainability reporting guidelines to the committee and the Board of Directors.

View Sustainability Policy from p.53 Here.

Vision and Direction for Sustainable Development

The Company has established its sustainable development vision under the concept of “Medical Sustainability,” with the objective of becoming a long-term leader in sustainable development within the healthcare industry in the ASEAN region. This vision is pursued through responsible business operations that demonstrate social and environmental responsibility throughout the entire value chain, together with a strong commitment to good corporate governance, human rights, and stakeholder engagement. This vision serves as a guiding framework for the Company in formulating its sustainability strategies and operational approaches, ensuring alignment with the United Nations Sustainable Development Goals (SDGs) and internationally recognized standards of good corporate governance.

Sustainability Framework

The Company’s sustainable development initiatives are driven across three key dimensions
as follows:

Corporate Governance and Economic Dimension: Focused on delivering internationally recognized standards of medical care and services, conducting business with transparency and strong corporate governance, and creating sustainable shared value in collaboration with stakeholders.

Social Dimension: Emphasizes the development of employee capabilities and quality of life, occupational health and safety, respect for human rights, and active participation in social and community development.

Environmental Dimension: Focused on the efficient use of resources, effective waste and energy management, reduction of environmental impacts, and support for long-term responses to climate change.

Sustainability Management Goals

The company sets sustainability management goals based on the results of the Materiality Assessment, alongside a review of relevant international sustainability frameworks and standards, to ensure that the established goals are appropriate to the business context and can appropriately support future sustainability governance directions.

Business Value Chain

The company’s board of directors is committed to conducting business under ethical principles and good corporate governance practices, alongside taking responsibility for the community, society, and the environment throughout the company’s value chain. This is considered in both the core activities and supporting activities involved in the company’s operations.

Analysis of Stakeholders in the Business Value Chain

THG has surveyed, analyzed, and prioritized its stakeholders by considering the impact level of the company’s operations on the stakeholder groups and the influence level of the stakeholder groups on the business operations. This approach ensures that the company’s responses to stakeholder expectations are appropriate. Responsibilities, duties, and operations are aligned with the company’s defined guidelines. The needs and expectations of stakeholders are reviewed once a year, and response methods are adjusted accordingly.

In 2025, THG’s stakeholders can be categorized into 7 main groups: (1) Customers (2) Employees (3) Suppliers (4) Shareholders (5) Government agencies and Regulators (6) Media (7) Community

Identification of Material Sustainability Topics

The Company identifies its material sustainability topics based on the results of a materiality assessment, which considers both the level of impact on stakeholders and the relevance to the Company’s business operations across the entire value chain. This assessment is conducted through the collection of feedback from key stakeholder groups, together with an analysis of business risks and opportunities.

The materiality assessment process comprises the identification of issues and impact boundaries, assessment and prioritization, validation, and communication and reporting of material topics.
The process is informed by an analysis of the Company’s organizational context, stakeholder expectations and concerns, industry trends, business risks and opportunities, as well as relevant sustainability assessment frameworks, including SET ESG Ratings, FTSE Russell ESG Scores, and the GRI Standards. The Sustainability Working Group prioritizes each topic using a Materiality Matrix, taking into account the significance of impacts on stakeholders and the relevance to the Company’s business. The results are then presented to management and the relevant Board committees for consideration and approval.

The prioritized material sustainability topics are used as a basis for defining the Company’s sustainability policies, strategies, targets, and the scope of sustainability disclosures. These disclosures are presented in the annual disclosure through the 56-1 One Report and other relevant communication channels, ensuring that sustainability management is implemented in a consistent manner and aligned with the Company’s organizational context.

Sustainability management in the dimensions of corporate governance and economics

Corporate Governance and Anti-corruption

The Board of Directors believes that good corporate governance shall make the Company’s business operation to be efficient, transparent and fair with all stakeholders and build creditability and increase the competitive ability of the group’s company to achieve its sustainable growth. Therefore, it has been determined to have the Corporate Governance Handbook pages 1-66 which is disclosed on the Company’s website.

View Corporate governance and Anti-corruption from pages 167 – 411 here

Quality of care and service

The Company places great importance on maintaining high-quality healthcare standards to ensure that patients receive safe and excellent services, promote equality, and reduce disparities in access to care. It aims to provide healthcare for people of all ages to ensure a good quality of life (Lifetime Health Guardian for All). The Company’s philosophy is that every hospital in its network must adapt to changes and continually develop to meet the needs of service users. Social changes are a key focus, and The Company is committed to delivering services that foster satisfaction, confidence, and responsibility toward both service users and society.

The Company encourages its hospitals to seek medical service accreditation at both national and international levels, which serves as a comprehensive operational framework for managing all aspects of hospital services to ensure the highest level of patient satisfaction. The accreditation process includes the evaluation of quality management systems, patient safety measures, and considerations for both service recipients and medical personnel.

Goals:

The hospital has been assessed for the quality of medical service standards at the national or international level at 100%.

Performances Results 2025:

100% of hospitals within the Group maintain AACI accreditation, with accreditation validity of three years.
100% of hospitals undergoing annual survey assessments successfully pass the evaluation.

Digitalization & Innovation

Innovation Vision “Advancing Sustainable Healthcare through Digital Innovation”

THG is committed to leveraging digital innovation and advanced technologies to enhance healthcare quality and support sustainable organizational growth. The Company focuses on creating value for patients while improving operational efficiency and strengthening long-term competitiveness. To achieve this vision, the Company has established the following key innovation strategies:

Building an Innovation-Driven Organizational Culture
Investment in Digital Health Technologies
Innovation Partnerships and Collaboration with academic institutions, technology providers, and innovation partners to exchange knowledge and co-develop advanced healthcare solutions.

Goals:

The number of innovations that have been practically implemented at least 3 projects.

Performances Results 2025:

1. Advancing Healthcare Excellence through Precision Diagnosis and Advanced Medical Technologies.

Thonburi Hospital is committed to advancing clinical excellence through the adoption of innovative medical technologies that enhance diagnostic accuracy and treatment effectiveness. Guided by the principles of Precision Medicine, the Hospital integrates advanced diagnostic and therapeutic technologies to provide personalized and high-quality patient care.

Key technologies implemented include:

Fusion Biopsy Technology for Precision Prostate Cancer Diagnosis
Robotic-Assisted Surgery
Da Vinci Robotic Prostate Surgery Center
Smart Rehabilitation and Robotic Gait Training

2. Enhancing Access to Advanced Cancer Treatment

Oncology and Radiation Therapy Center, Thonburi Trang Hospital is equipped with advanced radiation therapy technology using a Linear Accelerator (LINAC), representing the first installation of this technology in the lower Andaman region of Southern Thailand. The LINAC system delivers highly precise radiation therapy by accurately targeting cancerous tissues while minimizing exposure to surrounding healthy tissues. This precision reduces treatment-related side effects and improves overall treatment efficiency, with each radiation session requiring only a few minutes.

3. Digital Innovation for Smart Healthcare services: Thonburi Rajyindee Hospital

The Hospital is committed to leveraging digital technologies and innovation to enhance healthcare service delivery.

Key initiatives include:

CareMeal: Digital Inpatient Meal Management System, enabling patients to select meals via QR Code linked to their room number.
Rajyindee Vision Board: Real-Time Patient Status Dashboard via Smart TV dashboards integrated with Hospital Information Systems (HIS), laboratory systems, and medication management systems.
RYH Touch-for-Treat: Patient Communication Support Application was developed to support communication for patients with communication limitations, including ventilated patients, stroke patients, and international patients.

4. Prevention of Recurrent Stroke Program via Smartphone-Based Monitoring

The Brain and Neurological Center, Thonburi Thawiwatthana Hospital developed a digital patient monitoring system to enhance long-term stroke management and risk control. In 2025, the hospital introduced an advanced smartphone-based monitoring platform that integrates data from the Hospital Information System (HIS) and presents individualized risk trends directly to patients. The system provides: Real-time visualization of blood pressure trends, Monitoring of key laboratory values, Weight tracking with threshold alerts, Medication reminders, Appointment notifications, Personalized lifestyle and risk factor guidance.

View Digitalization & Innovation from pages 109 – 112

at this link : https://thg.listedcompany.com/misc/ar/thg-one-report2025-en.pdf

View Digitalization & Innovation from pages 109 – 112

at this link : https://thg.listedcompany.com/misc/ar/thg-one-report2025-en.pdf

Customer Relationship Management

Customer Satisfaction and Relationship Management

The Company is committed to continuously enhancing patient satisfaction and strengthening long-term relationships with patients through a human-centered approach to service design. Human-Centered Design principles are applied to optimize the Patient Journey and improve overall service quality. Key implementation approaches include:

1) Patient Experience Monitoring and Voice of Customer Programs

All hospitals within the Group conduct patient satisfaction assessments under the Patient Experience framework. These assessments cover all service touchpoints and healthcare providers, including physicians, nurses, and frontline service personnel.

2) Service Excellence and Staff Development Program

The Company implements the “Service by Heart” program to strengthen service capabilities among healthcare personnel. This program focuses on developing communication skills, empathy, patient-centered care, and effective complaint management. Regular training sessions are conducted to improve these skills.

Goals:

Customer satisfaction score of more than 90%.

Performances Results 2025 :

Patient Satisfaction Score (%)	Goals	2023	2024	2025
Outpatient Satisfaction Rate	> 90%	91.07	91.53	94.24
Inpatient Satisfaction Rate	> 90%	94.66	93.35	94.72
Overall Average Patient Satisfaction Rate	> 90%	92.86	92.44	94.48

Dust-Free OPD Building Project, Thonburi Hospital

Thonburi Hospital launched its new eight-story Outpatient Department (OPD) building in May 2025, comprising a total of 83 examination rooms. The project was developed to enhance healthcare service capacity while improving patient experience and satisfaction in line with international healthcare quality standards.

The Company prioritizes patient health, safety, and environmental quality as key components of service excellence. The building was designed using advanced indoor air quality management principles to mitigate health risks associated with fine particulate matter (PM2.5), a significant environmental health risk factor. The facility is equipped with a high-efficiency air filtration system capable of removing PM2.5 particles before distributing clean air throughout the building. As a result, indoor PM2.5 levels are maintained at approximately 3–5 micrograms per cubic meter representing a safe and controlled indoor air environment.

The building is also equipped with real-time environmental monitoring sensors installed throughout all floors, continuously measuring PM2.5 levels, temperature, and relative humidity. These systems are integrated into a Smart Building Automation System (BAS), which automatically regulates airflow, temperature, and humidity based on real-time environmental conditions. This helps reduce airborne contaminants, prevent microbial growth, and maintain optimal indoor air quality.

These measures significantly enhance the safety and comfort of patients, particularly vulnerable groups such as respiratory patients, children, elderly individuals, and immunocompromised patients. The improved indoor environment contributes to higher patient satisfaction and strengthens confidence in the Hospital’s healthcare standards.

In addition, the building utilizes insulated glass technology to reduce heat transfer and external noise, improving energy efficiency and reducing long-term operational costs. These design features also contribute to reducing greenhouse gas emissions and environmental impact, supporting the Company’s environmental sustainability objectives.

The Dust-Free OPD Building serves as a model for future healthcare infrastructure development within the Thonburi Hospital network, demonstrating the Company’s commitment to patient-centered care, environmental responsibility, and sustainable healthcare service delivery.

Cyber security and Personal Data Protection Act

Cybersecurity and Information Security Management

THG has increasingly adopted digital healthcare technologies to enhance operational efficiency and improve healthcare service delivery. Examples include the implementation of Electronic Medical Record (EMR) systems, which support healthcare professionals and improve the quality and efficiency of patient care.

The Company has established comprehensive information security policies, procedures, and controls, supported by appropriate allocation of resources, personnel, and technologies. These measures include access control mechanisms, cybersecurity risk monitoring, threat prevention systems, and continuous system monitoring to ensure the security, integrity, and availability of information systems.

The Company has implemented an Information Security Policy, which serves as a governance framework for cybersecurity and data protection. This policy is publicly available on the Company’s website to ensure transparency and accountability.

Customer Data Privacy and Personal Data Protection

The Company places strong emphasis on protecting the personal data of patients and customers in compliance with applicable data protection laws and information security standards.

The Company has also established formal channels for reporting data protection concerns, complaints, and potential incidents. Reported cases are investigated and addressed promptly, and corrective actions are implemented to strengthen preventive controls and enhance data protection effectiveness. These measures demonstrate the Company’s commitment to protecting patient privacy, ensuring data security, and maintaining stakeholder trust in alignment with applicable legal requirements and international best practices.

Goals :

Number of data breach incidents.
Number of complaints related to personal data protection.

Performances Results 2025 :

100% of business units operated in compliance with established cybersecurity standards and implemented appropriate data protection measures.
Number of data breaches = 0
Number of personal data complaints = 0

Supply Chain Management

The company has established supply chain management guidelines by integrating sustainability issues and implementing a Sustainable Procurement Policy. In addition, a Supplier Code of Conduct and Guidelines have been developed for the company’s personnel, as well as its suppliers and affiliated companies, to adhere to and practice across the three dimensions:

Environmental, Social, and Governance (ESG).

These practices include the supplier selection process, supplier segmentation and risk assessment, supplier risk evaluation, and supplier development. The company has also set operational targets for the year 2025 as follows:

Goals :

New suppliers screened for sustainability (ESG) risks during the reporting year.
Tier 1 key suppliers assessed on ESG criteria (100%).
Key suppliers acknowledged and signed the Supplier Code of Conduct and supplier guidelines (100%).

Performances Results 2025 :

New suppliers undergoing sustainability screening criteria over the past year 100%
Key suppliers acknowledging compliance with the supplier code of conduct over the past year 100%

Sustainability Management in the Social Dimension

Thonburi Healthcare Group Public Company Limited and its subsidiaries, as a company listed on the Stock Exchange of Thailand (SET) and operating in the healthcare sector, are mindful of their responsibility to society and adhere to good corporate governance principles. The company places significant emphasis on social dimensions to demonstrate its commitment to driving the business towards sustainability. The company has established policies and practices in social responsibility, including respect for human rights and fair treatment of workers, promoting health and safety in the work environment, employee development, employee retention and motivation, community and social involvement, as well as systematic stakeholder engagement. This is to ensure that the operations of the hospitals and subsidiaries of THG are comprehensive and sustainable in terms of social dimensions under the “Human Centric” strategy, creating a happy work environment and
a sustainable society.

Talent attraction and Retention

Employee Training and Skills Development

The Company conducts regular assessments of employees’ training and skills development needs on an annual basis. Department heads evaluate training needs based on job descriptions classified into Levels 1–4, as well as performance evaluation results applied by the hospital, including position-specific Key Performance Indicators (KPIs) and competency assessments. Competencies are categorized into three types: Core Competency, Functional Competency, and Specific Competency, the latter of which requires specific skills, professional expertise, and annual knowledge assessments. These inputs are analyzed by department heads to assess development needs and to formulate Individual Development Plans (IDPs) in collaboration with employees. Employees are informed of and agree upon the learning and development processes required for their roles. Core competencies representing essential capabilities for the business are developed and reviewed annually. These include, for example, risk management, quality management systems, patient safety, cybersecurity risk awareness, employee code of conduct, and cardiopulmonary resuscitation (CPR). Such topics are designated as mandatory training and form the basis of the Company’s annual training and human capital development plan.

Employee Relations and Engagement

The Company places strong emphasis on fostering positive relationships and engagement between employees and the organization. The Company believes that a motivated and satisfied workforce is a key driver of long-term organizational sustainability. Accordingly, the Company has established human resource management policies that focus on listening to employee feedback, creating a supportive and inclusive work environment, and promoting mutual respect. Employees at all levels are encouraged to actively participate in organizational development and continuous improvement.

The Company conducts an Employee Engagement Survey on an annual basis to assess employees’ satisfaction, sense of pride, and motivation. Survey results are analyzed and used to develop targeted improvement plans and engagement initiatives tailored to the specific needs and context of each department. Programs and Initiatives to strengthen employee engagement.

The findings are analyzed and incorporated into the Company’s human capital management strategy to strengthen employee engagement, improve workplace conditions, and support long-term organizational sustainability.

Goals :

Employee engagement score of more than 80%.
Average operational training hours not less than 30 hours per person per year.

Performances Results 2025 :

The employee satisfaction score was 72%, with a total of 4,013 employees participating in the survey.
The employee turnover rate is 15%.
The average number of training hours for operational-level employees is 26.87 hours per person per year.
The average number of training hours for management-level employees is 81.39 hours per person per year.
The total number of training hours provided to operational-level employees is 107,638 hours.
The total number of training hours provided to management-level employees is 20,023 hours.

ESG DNA Project 2025

On 26 August 2025, THG received a Certificate of Recognition from the Stock Exchange of Thailand (“SET”) in recognition of its achievement in promoting learning among its employees, with more than 70% of employees completing the course “ESG DNA: Sustainability Knowledge for Personnel at All Levels” through the e-Learning system developed by SET.

In 2025, THG continued to participate in the “ESG DNA” project organized by SET. The company set a target for employees of THG including staff from the central office (THG-Corporate), Thonburi Hospital, and Thonburi Thawiwatthana Hospital to receive sustainability-related training, which included pre- and post-training knowledge assessments.

The training consisted of four courses:

ESG 101: Fundamentals of Sustainability
BHR101: Introduction to Human Rights due Diligence
CFO01: Business and GHG Emission Reduction
CE102: How to be a Zero-Waste Office?

Objective: The project is divided into two phases, as follows:

(1) Phase 1

Project Period: From 1 November 2025 to 31 May 2026

Target:

A total of 692 THG employees participating in the project, including employees from the central office (THG-Corporate), employees from Thonburi Hospital (supervisory-level staff serving as representatives of each department), and employees from Thonburi Thawiwatthana Hospital.

By the end of the project period, more than 70% of the participating employees are expected to successfully complete all four training courses (with knowledge assessment and certification issued by SET). Project Progress as of 31 December 2025: The results are as follows:

Note: ¹⁾ Thonburi Hospital has established a guideline for selecting employees to participate in the training. Executives or supervisory-level staff from key departments are assigned to attend the training so that they can communicate and transfer the knowledge gained, or incorporate it into work plans for their teams or subordinates to understand and implement in practice.

(2) Phase 2

Project Period: From 1 June 2026 to 31 May 2027

Target:

Employees of Thonburi Hospital, representing 25% of the total hospital workforce
Newly hired employees of THG (THG-Corporate, Thonburi Hospital, and Thonburi Thawiwatthana Hospital)
Encouraging affiliated hospitals within the THG network to participate in the ESG DNA project. The objective is for the targeted employees to complete all four sustainability-related training courses under the program.

Health & Safety

Occupational Health and Safety

The Company has established policies to promote employees’ health and well-being in a holistic manner, encompassing physical, mental, social, and occupational safety dimensions. Under the Holistic Well-Being approach, the Company aims to ensure that its workforce maintains good health, morale, and readiness to deliver healthcare services to patients effectively and safely. Relevant programs are implemented in alignment with internationally recognized labour standards and best practices within the healthcare industry.

5.1 Working Hours

The Company places strong emphasis on the appropriate management of employees’ working hours. Clear guidelines have been established to control working hours in compliance with labour laws, professional ethics in the healthcare sector, and internal organizational policies. These measures are designed to ensure that employees at all levels are adequately cared for, to reduce work-related fatigue, and to maintain patient safety and the quality of medical services.

Guidelines to Prevent Excessive Working Hours include:

Limiting working hours in accordance with legal requirements and ensuring adequate rest periods.
Conducting workforce analysis to assess staffing ratios per unit of service (Full-Time Equivalent per Unit of Service) and establishing unit-specific staffing standards based on workload. These standards are reviewed on an annual basis.
Providing employees with opportunities to participate in shift scheduling and to adopt flexible work arrangements that support work–life balance, without compromising internal policies and service standards.
Implementing systems to monitor and report employees’ working hours in a transparent and auditable manner, such as the KwanP system.
Encouraging supervisors and line managers to manage workloads appropriately and to prevent unnecessary overtime.
Conducting quarterly workforce capacity reviews across all departments in each fiscal year to ensure alignment with operational plans and service requirements. Staffing levels are determined in accordance with the requirements of relevant professional council.

5.2 Occupational Health

THG is committed to preventing and promoting the health of employees and partners, recognizing that health is a fundamental foundation for well-being and work efficiency.

Guideline:

Health Risk Assessment: Identify and assess health risks that may arise from work activities, including biological, chemical, physical, and ergonomic hazards.

Preventive Measures: Implement control measures for health risks and provide appropriate personal protective equipment.
Health Surveillance: Conduct health checks and follow-up according to legal requirements or as necessary for disease prevention.
Education and Training: Provide education to employees on health hazards related to their work, safe working practices, and the use of protective equipment. Conduct training to promote knowledge on safety, occupational health, and environmental matters for employees and contractors. All must undergo occupational health and safety training from the first day of employment to ensure they are informed about safe work practices as per legal requirements.
Manuals and Operating Procedures: Develop manuals and operating procedures regarding safety, occupational health, and environmental practices, as well as emergency response procedures, including the preparation of protective equipment such as chemical management, infection control at work, waste and hazardous material handling, fire safety plans, flood plans, and infection control plans in construction areas.

Goals :

Zero fatal work-related accidents.
Lost Time Injury Rate (LTIR).

Performances Results 2025 :

Fatal work-related accident rate 0 cases
Lost Time Injury Frequency Rate (LTIFR) 0.22 incidents per million working hours.

“Thonburi Thungsong Wellness 2029” Initiative

The initiative has been implemented in collaboration with relevant government agencies, including the Regional Occupational Safety Center Region 9 (Songkhla), the Labor Safety Division under the Department of Labor Protection and Welfare, and the Thai Health Promotion Foundation (Thai Health). These organizations have supported the implementation of the “Happy 8” framework, which promotes holistic employee well-being, including physical health, mental wellness, work-life balance, and a safe and supportive working environment. Progress is monitored and evaluated on an ongoing basis to ensure continuous improvement.

As a result of these efforts, Thonburi Thungsong Hospital was awarded the Total Worker Health (TWH) Model Organization Recognition Award in 2025 by the Ministry of Labor. This recognition reflects the Hospital’s excellence in occupational health, safety, and workforce well-being management in accordance with national best practice standards. This achievement demonstrates the effectiveness of the Company’s human capital management framework and reinforces
its commitment to providing a safe, healthy, and supportive working environment, contributing to long-term organizational sustainability.

Human Rights and Non-discrimination

Compliance with human rights principles and standards

The Company conducts ongoing and proactive human rights risk assessments and implements appropriate preventive measures, corrective action plans, and monitoring mechanisms where potential risks or impacts are identified. These efforts aim to ensure that all operations are conducted in compliance with applicable Thai laws, professional ethics in the healthcare sector, and relevant international human rights standards.

View Social and human rights policy and guidelines here.

Human Rights Due Diligence : HRDD

The company has conducted comprehensive human rights due diligence (HRDD) and developed guidelines for managing potential human rights risks both within the organization and across the value chain. The process includes the following key steps:

Policy Declaration and Defining the Scope of Evaluation
Identifying Risk Evaluation Issues
Risk Assessment
Monitoring and Reporting of Performance
Grievance Management and Remedy

Goals :

Number of human rights violation complaints is zero.

Performances Results 2025 :

Number of complaints related to human rights violations was zero.

Human Rights Performance

Governance and Resource Allocation to Ensure Respect for Human Rights

The Company has established a clear human rights governance framework, under which the Sustainability Committee and hospital management are responsible for integrating human rights policies into day-to-day operations. Key areas of implementation include patient data protection, workforce safety, and ethical procurement practices. To support effective implementation, the Company allocates appropriate budgets, provides safety equipment, and communicates human rights expectations to employees and relevant stakeholders, including contractors and business partners.

Prior to the commencement of new projects, the Company conducts labor and human rights due diligence to identify and prevent potential risks. This includes assessments of contractors’ labor practices and evaluations of risks related to forced labor and child labor. The outcomes of these assessments are incorporated into supplier selection and decision-making processes.

“New suppliers screened for labor and Human Rights in the past year 100%”

Communication, Awareness, and Capacity Building on Human Rights

The Company recognizes the importance of promoting and embedding human rights awareness in order to foster an organizational culture that respects human rights. Accordingly, the Company has established an annual plan to provide fundamental human rights knowledge and regularly communicates human rights principles to employees across the organization through structured training programs. In 2025, the Company conducted human rights awareness training focused on fundamental human rights principles in business operations. “A total of 4,201 employees completed the training, representing 100% of the Company’s total workforce.”

Respect for Children’s Rights

The Company recognizes the importance of protecting and promoting children’s rights as an integral part of its human rights responsibilities. Children’s rights considerations are embedded into the Company’s operations through multiple dimensions, including the prevention of child labor within supplier selection and evaluation processes, comprehensive human rights due diligence, and responsible procurement practices.

In addition, the Company ensures the provision of clear and accurate product information, including appropriate warnings in accordance with applicable laws and standards. Advertising and marketing communications are conducted with due care and responsibility, in a manner that respects and supports children’s rights.

The Company also supports child welfare and development through health promotion activities, disease prevention initiatives, and proactive healthcare services within communities. Examples of such activities include providing preventive healthcare education to parents and school-aged children, promoting hygiene practices among students such as proper toothbrushing and supporting schools and communities through health screenings, medical consultations, and vaccination campaigns.

Furthermore, the Company provides child-friendly spaces and facilities within its hospitals to create a safe, inclusive, and appropriate environment for children, thereby supporting their well-being and ensuring access to quality healthcare services.

Grievance Management and Protection of Labor Rights, Management of Bullying and Harassment in the Workplace

The Company places strong emphasis on creating a safe, respectful, and inclusive working environment that is free from all forms of bullying and harassment, including physical, verbal, psychological, and sexual harassment. Clear guidelines and procedures have been established, together with confidential reporting channels such as a dedicated email address and online reporting forms to enable employees to report incidents or submit complaints safely and without fear of retaliation.

In addition, the Company provides training for managers and supervisors covering incident reporting procedures, proper handling of complaints, and the confidential management of information, in order to ensure fairness, transparency, and protection of the rights of all parties involved.

In 2025, no incidents of bullying or harassment were reported.

Community Engagement

The Company leverages its core strengths, including medical expertise, healthcare professionals, medical technologies, and healthcare infrastructure, to support community health initiatives. These efforts focus on health promotion, disease prevention, and improving access to quality healthcare services.

The Company’s community investment initiatives are aligned with its core business strategy, emphasizing preventive healthcare and equitable access to medical services. Health promotion, preventive care, and medical outreach activities are integrated into the Company’s community programs.

These initiatives help strengthen community trust, enhance stakeholder relationships, and contribute to sustainable social development while supporting the Company’s long-term sustainability objectives. The Company remains committed to its role as a responsible healthcare provider contributing positively to society.

Goals :

Number of projects that help improve the quality of life of people in the community is at least 4 projects per year.

Performances Results 2025 :

Community Health, Safety, and Well-being

Basic Life Support (BLS), CPR, and AED Training Programs. In 2025, three hospitals within the THG network implemented CPR training programs as follows:

Thonburi Hospital conducted Basic Life Support (BLS) and Cardiopulmonary Resuscitation (CPR) training programs for teachers and students in four nearby schools. A total of over 330 participants successfully completed the training.

Thonburi Bamrungmuang Hospital conducted CPR training programs for nearby educational institutions benefiting 285 teachers and students. CPR training was provided to employees from three corporate client organizations, benefiting 103 participants.

Thonburi Trang Hospital conducted CPR and AED training programs for 14 organizations, including industrial factories, schools, private companies, and corporate health screening clients. A total of 725 participants completed the training.

In 2025, CPR and emergency response training programs conducted by THG hospitals achieved the following outcomes:

Total participants trained: 1,443 persons
Total organizations reached: at least 18 organizations
Target groups: schools, industrial facilities, corporate organizations, and community members

Occupational Health and Workplace Safety Promotion Program

Thonburi Thungsong Hospital participated in the Occupational Safety and Health Day organized in collaboration with Siam Cement (Thungsong) Co., Ltd. The hospital provided knowledge and training on occupational disease prevention, hygiene promotion, and workplace safety awareness.

Number of beneficiaries: 210 persons.

Mobile Medical Unit Program to Enhance Access to Healthcare

Thonburi Hospital deployed a mobile medical unit to provide proactive health screening services to monks at four temples, covering a total of 23 monks. The program aimed to enhance access to basic health screening services, reduce disease risks, and promote preventive healthcare among groups with limited access to medical services.

Influenza Vaccination Support Program for Community Immunity

Thonburi Hospital collaborated with government agencies and social networks to support influenza vaccination programs. Medical personnel were deployed to provide vaccination services directly to community members and target groups. Number of beneficiaries: 550 persons.

Improving Access to Healthcare

Community EKG Screening Initiative

In 2025, Thonburi Trang Hospital conducted a free community Electrocardiogram (EKG) screening program to improve equitable access to cardiovascular risk detection services, particularly among elderly individuals and residents in remote areas.

The program, implemented in collaboration with local authorities, screened 450 individuals across four sub-districts and two local organizations. Screening results identified 67 high-risk individuals (14.8%), who were promptly referred for further medical evaluation and treatment. The program was supported by 10 volunteer medical professionals, reinforcing the hospital’s commitment to preventive healthcare and community partnership.

Supporting Vulnerable and Underserved Groups

The Company is committed to reducing social inequality and improving access to healthcare and essential medical resources for vulnerable and underserved populations, including low-income patients and persons with disabilities. The Company collaborates with government agencies, non-governmental organizations, and community partners to support inclusive healthcare access and improve quality of life.

Medical Equipment Support Program for Underserved Patients

Thonburi Hospital and Thonburi Thawiwattana in partnership with the Mirror Foundation, donated and supported 23 oxygen concentrators to be loaned to underserved patients requiring respiratory support. This initiative enhances access to essential medical equipment and improves quality of life for vulnerable patients.

Social Inclusion and Quality of Life Program for Persons with Disabilities

Thonburi Hospital collaborated with public sector and community partners to support recreational and social development activities for 63 participants include visually impaired , disabled youth and their guardians, while providing medical support and supervision to ensure participant safety.

Improving Access to Healthcare Services

Thonburi Burana Hospital launched the “Giving Back to Society” program to improve access to quality physiotherapy services at an affordable price. The program offered physiotherapy treatment at a special rate of THB 59 to reduce financial barriers and improve accessibility, particularly for working-age individuals and elderly patients. Total beneficiaries: 58 persons. This initiative enhances healthcare accessibility, reduces inequality, and supports long-term health outcomes.

View Social operating results from pages 93 – 123, here

Sustainability Management in the Environmental Dimension

THG recognizes and prioritizes environmental stewardship to create a balance between corporate growth and resource conservation while minimizing environmental impacts from business operations. Policies and operational guidelines have been established to align with the company’s sustainability vision and strategy, ensuring strict compliance with environmental laws and regulations. Employees at all levels are encouraged to actively participate in environmental management to foster a green culture both inside and outside the organization.

Strategy: Greener Business, Greater Environment

Develop knowledge management on non-hazardous waste practices from successful units (Best Practice) to serve as models across the organization.
Protect the environment by managing waste and contaminants using efficient technology with continuous monitoring to prevent environmental harm.
Promote energy conservation, natural resource preservation, and environmental protection to improve quality of life, including climate change mitigation through energy saving and proper waste management.
Instill environmental responsibility among employees to enhance social and environmental accountability.

View Environmental policy and guidelines here

THG reviewed environmental policies, practices, and targets aligned with key sustainability issues and supporting the United Nations Sustainable Development Goals (UN SDGs):

Reduce non-hazardous landfill waste by 20% from 2024 baseline by 2029.
Reduce greenhouse gas emissions per unit by 20% from 2024 baseline by 2029.
Reduce fossil fuel energy consumption by 10% from 2024 baseline by 2029.
Reduce tap water consumption by 5% from 2024 baseline by 2029.

Energy Management

THG has long emphasized energy conservation, establishing an energy management committee and implementing conservation measures under the Energy Conservation Promotion Act B.E. 2535 (1992) and its 2007 amendment. Since 2019, hospitals have aligned energy management with conservation policies, aiming to continuously improve efficiency and serve as model buildings for both public and private sectors.

Measures are divided into four levels:

No-investment measures – managed by building engineering teams in common areas.
Awareness campaigns – engaging staff across medical and support departments.
Investment measures – focusing on cost-effective projects or ESCO partnerships.
Alternative energy production – e.g., solar power installation.

Setting goals for managing electricity and/or oil and fuel

Target(s)	Base year(s)	Target year(s)
Reduction of electricity purchased for consumption	2024 : purchased electricity for consumption 40,880,241.00 Kilowatt-hour	2029 : Reduced by 2% or 40,062,635.71 Kilowatt-hour
Increase of electricity consumption from renewable energy sources	2024 : electricity consumption from renewable sources 745,971.00 Kilowatt-hour	2029 : Increased by 80% or 1,305,448.55 Kilowatt-hour

Energy management: Electricity consumption

	2566	2567	2568
Total electricity consumption within the organization (Kilowatt-Hours)	40,892,777.00	40,880,241.00	40,750,096.00
Electricity purchased for consumption from non-renewable energy sources (Kilowatt- Hours)	40,238,553.00	40,134,270.00	39,494,227.00
Electricity purchased or generated for consumption from renewable energy sources (Kilowatt-Hours)⁽²⁾	654,224.00	745,971.00	1,255,869.00

Remark : ⁽²⁾

In 2025, total electricity consumption decreased by 130,144 kWh, equivalent to 0.32% compared to 2024.
Electricity generated from renewable sources increased by 509,898 kWh, equivalent to a 68% rise compared to the 2024 baseline.

Performance and outcomes of energy management

Solar Rooftop Project

Thonburi Thawiwatthana Hospital is undertaking a project to install a solar rooftop power generation system on three main buildings: Building 1, Building 2, and the MRI-Dialysis Building. The project is expected to be completed in May2025.

Results :

Generated 439,236.88 kWh, reducing grid electricity reliance by 10% of total hospital consumption.

Reduced Scope 2 emissions by 325 tCOe (14.7% compared to 2024 baseline).

Continual Targets :

2026 target: further 12% energy reduction compared to 2025 baseline.

GREEN & CLEAN Hospital Plus (BKKGC+) Project 2025

THG participated in the BKKGC+ project, a collaboration between Bangkok Metropolitan Administration and Ministry of Public Health to enhance environmental health standards in urban hospitals. Focused on “Health for Climate” to address climate change challenges and support carbon neutrality goals in healthcare.

In 2025, Thonburi and Thonburi Thawiwatthana Hospitals passed the assessment criteria. Thonburi Bamrungmuang Hospital achieved Diamond Level certification, one of only two hospitals to receive the highest award.

Water Management

In operating THG’s hospital business, one of the key issues receiving significant attention is the efficient use of water. Water is an essential resource for hospital operations, from maintaining cleanliness, sanitation, and various medical processes. Therefore, the management has established a Water Stewardship Policy, adopting an integrated water management approach to maximize water efficiency. This includes reusing treated wastewater for activities that do not require clean water, such as in sanitation systems and watering plants. Additionally, water-related risks such as shortages, flooding, and water quality are assessed to ensure more effective and sustainable water management.

Setting goals for water management

Target(s)

Base year(s)

Target year(s)

Reduction of water withdrawal

2024 : Water withdrawal

519,774.00 Cubic meters

2029 : Reduced by 5% or

493,785.30 Cubic meters

Remark :

Specific Targets for Tap Water Consumption

Short-term: Reduce tap water consumption by 2% compared to the previous year
Medium-term: Reduce tap water consumption by 5% from base year 2024 within 2029

Water management: Water withdrawal by source

	2023	2024	2025
Total water withdrawal (Cubic meters)⁽⁵⁾	630,829.02	624,158.99	627,760.01
Water withdrawal by third-party water (cubic meters)⁽⁶⁾	534,940.00	519,774.00	499,773.00
Water withdrawal by groundwater (cubic meters)	95,889.02	104,384.99	127,987.01

Remark :

⁽⁵⁾ – Total water usage increased by 0.58% compared to 2024.

– New information has been updated.

⁽⁶⁾ – The amount of tap water or water from other sources used in 2025 decreased by 20,001.00 cubic meters, or 3.8%, compared to the base year 2024.

– New information has been updated.

Performance and outcomes of water management

Thonburi Hospital has implemented a water reduction project by installing hydro-powered sensor faucets.

Key features of water-powered sensor faucets:

Self-powered: No need to plug in or change batteries.
High safety: Reduces the risk of electric shock.
Water-saving: Often features aeration technology for a softer water flow and lower water consumption.
Easy to use: Operates with an infrared sensor; simply move your hand near it.

In 2025, water usage can be reduced by 5,003 cubic meters compared to 2024.

Waste Management

THG recognizes the importance of systematic and efficient waste management to control and reduce risks from medical service waste, prevent the spread of pathogens, and protect staff, patients, and communities. Waste management is carried out in compliance with relevant laws and standards, such as the Department of Health regulations and World Health Organization guidelines, while minimizing environmental impacts. Accordingly, the company has established concrete policies and practices for waste management, including source-level segregation of general waste, hazardous medical waste, and recyclable waste. Hazardous medical waste is properly disposed of by licensed contractors. In addition, the company promotes waste reduction at the source through the use of environmentally friendly products such as paper packaging or biodegradable plastics. Knowledge management is also implemented to share best practices in non-hazardous waste management across departments, serving as models for organization-wide adoption.

Setting goals for waste management

Target(s)

Base year(s)

Target year(s)

Waste management
methods

Reduction of waste generation
Waste type: Non-hazardous waste

2024 : non-hazardous waste 1,583,421.37 Kilograms

2029 : Reduced by 20% or 1,266,737.10 Kilograms

• Reuse

• Recycle

• Landfilling

Remark :

– The total volume of waste and refuse in 2025 decreased by 6,064.37 kilograms, or 3.8 percent, compared to the base year 2024.

– The total amount of waste and reused/recycled materials increased by 2,780.90 kilograms, or 2.45%, compared to 2024.

Waste management: Waste Generation

	2023	2024	2025
Total waste generated (Kilograms)	1,704,046.60	1,583,421.37	1,577,357.00
Total non-hazardous waste (kilograms)	1,273,491.08	1,180,199.75	1,192,061.90
Non-hazardous waste – Landfilling (Kilograms)	1,273,491.08	1,180,199.75	1,192,061.90
Total hazardous waste (kilograms)	430,555.52	403,221.62	385,295.10
Hazardous waste – Incineration without energy recovery (Kilograms)	430,555.52	403,221.62	385,295.10

Waste management: Waste reuse and recycling

	2023	2024	2025
Total reused/recycled waste (Kilograms)	123,754.80	113,639.05	116,419.95
Reused/Recycled non-hazardous waste (Kilograms)	123,754.80	113,639.05	116,419.95
Recycled hazardous waste (Kilograms)⁽¹⁰⁾	N/A	N/A	N/A

Remark :

⁽¹⁰⁾ – Data includes results from the Circular Economy Project “Won” – Plastic Bag and Stretch Film Recycling.

Performance and outcomes of waste management

Circular Economy Project “Won” – Recycling Plastic Bags and Stretch Film

Thonburi Thawiwatthana Hospital has enhanced its sustainable resource management by joining the “Won” project to recycle plastic bags and stretch film in collaboration with TPBI Public Company Limited, starting from November 2025. The project focuses on separating and collecting recyclable plastic materials from general waste, channeling them into recycling processes, and circulating them back into the value chain in line with the principles of the Circular Economy. This initiative also improves the efficiency of the hospital’s resource utilization.

The implementation has played a key role in increasing the Waste Diversion Rate and reducing environmental risks from plastic waste.

In the initial phase, the hospital successfully collected and delivered more than 100 kilograms of plastic bags and stretch film for recycling within just one month, reflecting the effectiveness of its waste management system and the potential for long-term expansion.
For 2026, the hospital has set a quantitative target to collect and recycle more than 1,000 kilograms of plastic bags and stretch films annually. This supports the company’s sustainability goal of reducing non-hazardous waste sent to landfills by 20% from the 2024 baseline by 2029.
In addition, Thonburi Thawiwatthana Hospital has continuously reduced the volume of waste sent to landfills. By 2025, the hospital had reduced cumulative landfill waste by more than 355,000 kilograms compared to the 2022 baseline, demonstrating steady progress in resource efficiency and waste reduction.
Alongside this, the success in reducing waste has contributed to lowering indirect greenhouse gas emissions (Scope 3). In 2025, the hospital reduced emissions by 637 tons of carbon dioxide equivalent (tCO₂eq), supporting the organization’s long-term greenhouse gas reduction strategy.

Climate change Management

THG recognizes the impacts of climate change, which affect healthcare management both directly and indirectly. The Company has identified key risks and opportunities related to climate change as follows: Physical Risks that may arise from extreme weather conditions such as floods, droughts, disease outbreaks, community migration, and economic disruptions, which may cause business operations to be interrupted. Transition Risks such as laws and regulations controlling greenhouse gas emissions through mechanisms such as carbon taxation. In terms of opportunities, the transition to renewable energy, such as installing solar power generation systems, can reduce greenhouse gas emissions and lower electricity costs.

Therefore, the Company continuously drives climate change adaptation initiatives. The Company is committed to supporting global efforts to limit the increase in the average global temperature to well below 2 Degrees Celsius and to pursue efforts to limit it to 1.5 Degrees Celsius above pre-industrial levels under the Paris Agreement, which aligns with the Sustainable Development Goals (SDG 13) : Climate Action.

Goals:

The company set greenhouse gas targets;

Short-term: Reduce GHG emissions per customer by 4% compared with the previous year

Medium-term : Reduce GHG emissions per customer by 20% from the 2024 baseline by 2029

Long-term : Net Zero Emissions by 2050

Performance and outcomes:

Setting other greenhouse gas reduction targets

Greenhouse gas emission scope

Base year(s)

Short-term

target year

Long-term

target year

Scope 1-2

2024 :
Greenhouse gas emissions 0.01 tCO₂e

2025 :
Reduced by 4% in comparison to the base year

2029 :
Reduced by 20% in comparison to the base year

Scope 1-3

2024 :
Greenhouse gas emissions 0.02 tCO₂e

2025 :
Reduced by 4% in comparison to the base year

2029 :
Reduced by 20% in comparison to the base year

Remark :

Short-term target: Reduce GHG emissions per service recipient by 4% compared with the previous year

Setting net-zero greenhouse gas emissions targets

Greenhouse gas emission scope

Base year(s)

Short-term

target year

Long-term

target year

Certification

Scope 1-2

2024:
Greenhouse gas emissions
21,207.00 tCO₂e

2028: Reduced by 21.43% in comparison to the base year

2050: Reduced by 100% in comparison to the base year

• Thailand Greenhouse Gas Management Organization (TGO): Net zero

• Science-based Targets (SBTi): None

Greenhouse gas management : Corporate greenhouse gas emission

	2023	2024	2025
Total greenhouse gas emissions (Metric tonnes of carbon dioxide equivalent)	21,649.00	27,592.00	28,444.00
Total greenhouse gas emissions – Scope 1 (Metric tonnes of carbon dioxide equivalent)	1,234.00	2,255.00	3,318.00
Total greenhouse gas emissions – Scope 2 (Metric tonnes of carbon dioxide equivalent)	14,519.00	18,952.00	18,230.00
Total greenhouse gas emissions – Scope 3 (Metric tonnes of carbon dioxide equivalent)	5,896.00	6,385.00	6,896.00

Remark:
Greenhouse gas emissions – Scope 1, 2, 3

Total greenhouse gas emissions for Scope 1, 2, and 3 in 2025 are projected at 28,444 tons of carbon dioxide equivalent, an increase of 3.09% from 2024.
Total greenhouse gas emissions for Scope 1 and 2 in 2025 are projected at 21,548 tons of carbon dioxide equivalent, an increase of 1.61% from 2024.
Total greenhouse gas emissions for Scope 1 increased by 47.14% from 2024.
Total greenhouse gas emissions for Scope 2 decreased by 3.81% due to the shift to renewable energy sources, specifically the installation of solar power systems. And improving energy efficiency.
Total greenhouse gas emissions (Scope 3) increased by 8.00% from 2024.
Total greenhouse gas emissions (Scope 1, 2, 3) per recipient increased by 1.31% to 0.211 tons of carbon dioxide equivalent per person (Scope 1, 2).
Total greenhouse gas emissions (Scope 1, 2) per recipient decreased by 0.15% to 0.0159 tons of carbon dioxide equivalent per person (Scope 1, 2).

Note: Scope of GHG reporting covers operational control of Thonburi Healthcare Group PCL and subsidiaries under Hospital and Healthcare Services only.

View Environmental operating results from pages 73 – 89 here