Supply Chain Management
Practice Management Guideline
Ditto (Thailand) Public Company Limited is committed to conducting the business with integrity and in accordance with good corporate governance principles. The Company focuses on sustainable supplier management aligned with international standards, with the objective of encouraging its suppliers to operate in compliance with the Company’s sustainability practices and to maintain long-term, mutually beneficial relationships. The Company takes into consideration the management of impacts arising from its operations across key dimensions, including corporate governance and economic aspects, environmental stewardship, social responsibility, occupational health, safety, and overall sustainability. The Company also promotes anti-corruption policies, supports adherence to good governance principles, and implements risk management practices throughout the supply chain to ensure business resilience and enable sustainable growth for all stakeholders.
The Company is dedicated to managing its suppliers efficiently while enhancing their capabilities in alignment with the Company’s growth strategy. It ensures the delivery of high-quality products and services to customers in a timely manner, while maintaining transparent, efficient, and auditable operations. In addition, the Company actively supports and promotes environmentally friendly procurement practices (Green Procurement), alongside its general procurement processes.
The Company continuously develops and enhances its supplier management processes to support sustainable business growth, as below:
- Supplier segmentation
- Communication and enforcement of the Supplier Code of Conduct among key suppliers
- Supplier risk assessment
- Advisory support, capability development, and performance monitoring of suppliers
- On-site audits of supplier facilities
Ditto Supplier Code of Conduct
The Company prioritizes its suppliers' adherence to corporate governance, respect for human rights, and responsibility towards society and the environment, as these factors significantly impact the Company's long-term business operations. Therefore, the Company has established a Business Supplier Code of Conduct, aiming for its suppliers to operate with responsibility towards the economy, community, society, and environment, including conducting business transparently, ethically, and with good corporate governance.
Key Suppliers Analysis
In 2025, the Company categorized its key suppliers based on two types of criteria:
Critical Tier 1 Supplier
ㆍSuppliers of essential goods and services are crucial to the
Company's business processes (Critical Component Suppliers).
ㆍSole suppliers that cannot be substituted
(Non-Substitutable Supplier).
• Suppliers with sales contract volumes among the top 80%
in 2025 (High-Volume Suppliers).
Critical Non-Tier 1 Supplier
• Refers to key suppliers who do not conduct business directly with
the Company but meet the same criteria as Critical Tier 1 Suppliers.
2025 Performance
In 2025, the Company categorized its key suppliers based on two types of criteria:
1) Critical Tier 1 Supplier:
• There are 22 suppliers in this category, representing 6.09% of all suppliers. Their purchase value accounts for 80% of the total procurement expenditure for 2025.
2) Critical Non-Tier 1 Supplier:
•There are 3 suppliers in this category.
Sustainability Risk Assessment of Suppliers and Follow-up Actions
In 2025, the Company conducted a sustainability risk assessment of its suppliers, primarily focusing on critical Tier-1 suppliers and new suppliers with procurement values of one million Baht or more. This was done using an ESG Self-Assessment Questionnaire, which includes questions on business operations, corporate governance, environment, and social aspects. In 2025, the Company assessed a total of 49 suppliers, representing 13.57% of all Company suppliers. This group comprised 22 critical suppliers and 27 suppliers with procurement values exceeding one million Baht. All 49 suppliers (100%) completed the risk assessment using the questionnaire. The Company categorized supplier risk levels based on their assessment scores and implemented measures for each supplier according to the predetermined risk-level guidelines.
Overall Assessment Results of Suppliers' Corporate Governance, Economic, Social, and Environmental Risks
ESG Self-Assessment 2025 Overall Risk Assessment Results
In 2025, the Company conducted an Environmental, Social, and Governance (ESG) Risk Assessment of its business partners, utilizing assessment criteria that covered all relevant dimensions.
The assessment results classify the proportion of suppliers with risks in the areas of corporate governance, social, and environmental aspects as follows:
- Corporate Governance Assessment Results:
Most suppliers were assessed as having very low risk (Level A), totaling 47 suppliers, while 2 suppliers were assessed as low risk (Level B). This reflects that the suppliers maintain good corporate governance practices.
- Economic Assessment Results:
A total of 44 suppliers were assessed as having very low risk (Level A), 3 suppliers as low risk (Level B), and 2 suppliers as moderate risk (Level C). Suppliers in the moderate-risk category will continue to be monitored to ensure business continuity and financial stability.
. - Social Assessment Results:
Most suppliers were assessed as very low risk (Level A), totaling 44 suppliers, while 5 suppliers were assessed as low risk (Level B). This indicates that suppliers demonstrate appropriate practices regarding labor standards, occupational safety, and social responsibility.
- Environmental Assessment Results:
A total of 22 suppliers were assessed as having very low risk (Level A), 26 suppliers as low risk (Level B), and 1 supplier as a very high risk (Level E).
.
Distribution of Supplier Risks across Governance, Economic, Social, and Environmental Dimensions
From the assessment results covering corporate governance, economic, social, and environmental aspects, most suppliers were classified as having low to moderate risk levels. This reflects effective operational standards and management practices, with risks being appropriately controlled and monitored.
However, one supplier was identified as having a very high environmental risk level. Based on the assessment findings, the supplier lacked adequate environmental management practices, operational guidelines, and community engagement initiatives related to sustainable development. The Company communicated recommendations and provided guidance to align the supplier’s operations with the Company’s environmental standards. The supplier able to apply the recommendations and establish appropriate risk control measures. Follow-up monitoring and reassessment will be conducted in the following year.
The Company placed importance on continuous supplier risk management through regular monitoring, assessment, and supplier development to promote sustainable and transparent business practices, while fostering long-term mutual confidence and trust.
Support for Anti-Corruption Network Participation
The Company has declared its intent to join the "Thailand's Private Sector Collective Action Coalition Against Corruption (CAC)." This reflects the Company's commitment to operating under good governance principles, ensuring honest, ethical, and moral management. We place the utmost importance on combating fraud and corruption.
Furthermore, the Company has issued a formal declaration of intent to participate in the aforementioned initiative and has encouraged its business partners to join the Private Sector Collective Action Coalition Against Corruption (CAC) network to jointly promote and support transparent and ethical business practices.
In addition, the Company has communicated and disseminated its Code of Conduct, as well as its Anti-Corruption Policy, to suppliers and stakeholders to ensure broad awareness, understanding, and compliance throughout the organization and its business network
In 2025, the Company enhanced and established clearer anti-corruption policy in alignment with the requirements of the Private Sector Collective Action Coalition Against Corruption (CAC). The Company also provided E-learning training for executives and employees to strengthen understanding of the background, objectives, and implementation approaches of Thailand’s private sector anti-corruption initiatives.
Furthermore, the Company submitted the application for CAC certification in December 2025 to demonstrate its commitment to implementing concrete anti-corruption policies, measures, and practices. This reflects the Company’s adherence to good corporate governance principles and recognized anti-corruption standards within Thailand’s private sector.
Anti-Corruption
the Company’s Anti-Corruption Policy
New Approved Vendor/Supplier
In line with the Company's policy and guidelines for sustainable new vendor management, aimed at enhancing management efficiency and reducing long-term risks, all new vendors must undergo a supplier assessment process and acknowledge our Business Partner Code of Conduct. For new vendor registration, in addition to completing the standard registration form, we send an ESG Self-Assessment Questionnaire to new vendors with procurement values of THB 1 million or more. This ensures a comprehensive risk assessment for all, along with their acknowledgment of our Business Partner Code of Conduct, ensuring business operations are founded on social responsibility, environmental stewardship, and ethics.
บริษัทกำหนดให้คู่ค้าใหม่ที่มีมูลค่าการจัดซื้อจัดจ้างหนึ่งล้านบาทขึ้นไปต้องได้รับการประเมิน ESG (Self-Assessment Questionnaire) ในปี 2568 มีจำนวนคู่ค้าใหม่รวม 36 ราย ซึ่งทั้งหมด (ร้อยละ100) ได้รับการประเมินความเสี่ยงด้วยแบบประเมินตนเอง ในจำนวนนี้เป็นคู่ค้ารายสำคัญจำนวน 9 ราย
Results of On-site ESG Audit of Supplier During the Year
The company prioritizes efficient supply chain management by evaluating three core areas: Environmental, Social, and Governance (ESG). We conduct random audits and the selection will choose from key supplier and/or supplier with direct business impact, with scores exceeding 85 points (Group A), or supplier with transactions exceeding 100,000,000 Baht (more than one hundred million Baht), selecting at least one supplier.
On-site Supplier Audit Criteria
In 2025, the Company randomly selected one key supplier with a self-assessment score of more than 85 points (Group A) and with continuous business transactions since 2024 for the on-site assessment. The purpose of the assessment was to verify the supplier’s operational capability and confirm compliance with sustainability standards. The selected supplier represented 2% of the suppliers that underwent risk assessment. The supplier selected for the on-site assessment was Mitsubishi Electric Kang Yong Watana Co., Ltd..
The on-site supplier assessment demonstrated that the supplier fully cooperated in providing information, operational details, and access to relevant organizational processes. The information obtained was comprehensive, transparent, and highly beneficial in supporting the evaluation process and strengthening confidence in long-term procurement and business collaboration.
Overall, the supplier demonstrated strong readiness across several key areas, including product quality, environmental management, labor practices, and corporate governance. The supplier also maintains systematic internal management processes, established standards, and strict control measures, which are aligned with the Company’s requirements and sustainability standards.
Regarding the production process, the supplier operates through systematic and well-defined procedures, beginning with material selection and quality inspection, production process control within the manufacturing line, in-process quality inspections, and product performance testing prior to delivery. These measures help ensure that all products meet the required quality standards.
In addition, the supplier demonstrates effective production planning and management, enabling products to be delivered on schedule and in accordance with planned timelines.
Furthermore, the supplier has established a Training Center to support personnel development and provide training programs for both internal employees and overseas personnel. This initiative aims to enhance knowledge, capabilities, and operational standards across the organization, reflecting the supplier’s strong commitment to continuous human resource development.
In addition, the supplier continues to invest in innovation and product development to align with market trends and evolving consumer demands. The supplier focuses on technologies that improve energy efficiency, reduce environmental impacts, and support sustainability principles, while also responding to modern lifestyles that emphasize convenience, efficiency, and environmental responsibility.
In summary, the 2025 Onsite ESG Audit strengthened the relationship between the Company and its suppliers, reduced environmental, social, and governance (ESG) risks, and encouraged suppliers to comply with business ethics and sustainability standards. Moving forward, the Company plans to expand the assessment scope to other key suppliers to further support its long-term sustainability objectives.
Supplier Engagement in Sustainable Business Development
In 2025, the Company collaborated with its business partner, Netbay Public Company Limited, to jointly develop an E-Tax system integrated with the POS system of Ditto (Thailand) Public Company Limited. The digital tax refund platform was designed to go beyond a conventional tax management system by providing an innovative VAT refund solution for foreign tourists that enhances convenience, speed, and accuracy while reducing operational complexity.
The solution can be seamlessly integrated with POS systems, enabling sales and tax information to be directly retrieved for the automatic generation of electronic VAT refund forms (e-P.P.10) accurately and efficiently, in full compliance with Revenue Department regulations.
The system is also developed in accordance with international data security standards, ensuring that tourists’ personal information and merchants’ sales data are securely protected in compliance with the Personal Data Protection Act (PDPA).
The jointly developed E-VRT system helps transform paper-based processes into a fully digital platform, reducing printing costs, minimizing document preparation and storage requirements, and lowering administrative workload. The system also reduces process duplication, improves operational efficiency, and minimizes errors from manual operations.
In addition, purchase data can be automatically retrieved without repetitive data entry, while information is systematically stored for efficient verification, tracking, and access to historical records.
Once fully implemented, the VAT Refund for Tourists platform can be further expanded into a business solution for other organizations, creating additional revenue opportunities and supporting the Company’s future technology-driven business development. To drive the Company’s green organization strategy by strengthening ESG standards, reducing paper consumption, and lowering the carbon footprint throughout operational processes, and contribute to long-term sustainable business growth.
Trade Credit Policy and Term
Ditto (Thailand) Public Company Limited treats all creditors equally, fairly, and transparently, strictly adhering to terms and contracts to maintain trust with the Company's creditors. Payment terms for suppliers are set fairly. The Company emphasizes liquidity and cash cycle management to ensure continuous business operations. The Company's policy sets credit terms within 15-120 days. Details of Ditto (Thailand) Public Company Limited's credit term policy, as per its financial statements, are as follows:
From the summary above, the payments 15 days credit term were delayed by 2 days, while payments 60 days credit term were delayed by 1 day due to payment due dates falling on public holidays or weekends. The delays were minimal, remained within acceptable commercial practices, and did not affect business relationships or agree commercial terms with suppliers.