สุขภาวะและความปลอดภัย
Health & Safety

Occupational Health and Safety (OHS) is a critical priority for the Company, particularly given the inherent risks associated with steel manufacturing operations. The Company recognizes that hazards such as working at height, material handling, machine interface risks, as well as potential fire, explosion, and liquid steel leak
incidents, can significantly impact employee safety, operational continuity, and organizational reputation. In addition, evolving challenges such as new climate and
environmental regulations, together with the integration of advanced technologies including artificial intelligence (AI), anticollision systems, and speed monitoring
solutions, require continuous enhancement of safety management practices. These risks and opportunities arise primarily across operational activities within the
organization and along the value chain, particularly in production, maintenance, and contractor management. To address these challenges, the Company is committed to strengthening its occupational health and safety management through proactive risk identification, continuous improvement of safety systems, and the adoption of advanced technologies to enhance hazard prevention, monitoring, and response, thereby fostering a strong safety culture and ensuring safe, reliable, and sustainable operations.

Management Approach

The Company is committed to achieving its “Zero Harm” vision by providing a safe and healthy working environment for employees, contractors, and all stakeholders. Its Health and Safety Policy is formally established, regularly reviewed, and communicated across the organization to ensure consistent understanding and implementation.

The policy is founded on the principles that all injuries and occupational illnesses are preventable, safety is a shared responsibility at all levels, and safe working practices are a fundamental condition of employment. The Company promotes visible and engaged leadership, proactive behaviors, workforce participation, and accountability in managing health and safety risks.

To support this commitment, the Company focuses on eliminating hazards, controlling risks, and continuously improving its health and safety management system. This includes encouraging incident reporting, sharing lessons learned, and enabling active workforce participation in health and safety initiatives. The policy applies across all operating locations and throughout the value chain, with a commitment to exceed regulatory requirements where possible and continuously improve health and safety through clear targets, regular monitoring, and transparent communication. Further details of the Health and Safety Policy are available on the Company’s website.

Occupational Health and Safety Governance Structure

Safety organization: Safety is accorded to its due importance by the leadership team. It is first item on the agenda of most business meetings. Senior Leaders
have created a well-defined Safety Governance System led by the President & CEO. The governance structure of TSTH is illustrated as follows:

The highest-level safety committee is known as Apex Safety Council (ASC) which includes entire top management team. ASC meets monthly (by rotation at
one of the plants) to discuss the safety performance and to formulate & review safety and health strategy for the organization. Guidelines from ASC are communicated and deployed across the organization through various committees like Apex Safety Sub Committees (ASSC), Plant Implementation Committee (PIC) and Department Implementation Committee (DIC). In addition, there are 6 sub committees under ASC as follows:

• ASSC CSM : Contractor Safety Management
• ASSC STD : Standard and Procedure
• ASSC HTC : Heath, Training and Communication
• ASSC SOA & II : Audit & Observation and Incident Investigation
• ASSC Road Safety
• ASSC Process Safety Management

Strategic priorities

TSTH has formulated long term Safety Strategy based on 6 priorities as given below. The same is gets deployed through annual plans.

1. Safety Leadership development
2. Organizational safety competency & capability improvement
3. Contractor safety risk management
4. Road safety risk management
5. PSM, Integrated emergency response, infrastructure integrity management
6. Occupational Health / Industrial Hygiene

FY 2027 Action plan

The Company continues to strengthen its Occupational Health and Safety (OHS) performance through a structured action plan that focuses on proactive risk
prevention, capability building, and the application of advanced technologies. These initiatives are designed to address key operational risks, enhance employee
awareness and safe behaviors, extend safety standards across the value chain, and support the transition from reactive incident management to a predictive and data-driven safety approach. Through these efforts, the Company aims to reinforce a strong safety culture, improve operational reliability, and advance toward its
Zero Harm commitment.

1. Quarterly Safety Campaign

To reinforce risk awareness and safe behaviors across all operational areas, the Company implemented a structured quarterly safety campaign program, each
focusing on key risk areas. In

To reinforce risk awareness and safe behaviors across
all operational areas, the Company implemented a
structured quarterly safety campaign program, each
focusing on key risk areas. In

Q1 Human Machine Interface and Moving Machinery
Q2 Hot Substance and liquid steel
Q3 Falling from Height
Q4 Gas Safety

2. Forklift Digital Intervention – Anticollision, Biometric Access Control and AI Camera.

Deploy advanced digital technologies to improve forklift safety performance, including anti-collision systems, biometric access control to ensure authorized usage,
and AI-enabled cameras for real-time monitoring and behavior analysis.
This initiative aims to shift from reactive to proactive risk prevention.

3. Extend contractor safety to more extremal in Logistic.

Extend safety governance and standards beyond internal operations to external logistics contractors. This includes strengthening safety requirements, audits,
and performance monitoring to ensure alignment with company safety expectations across the entire supply chain.

Targets and Goals

Highlighted Implementation and Activities

Occupational Health and Safety Risk Assessment and Management

TSTH carries out risk assessments considering routine and non-routine activities; all persons engaged at the workplace (including contractors); human behavior;
hazards created in the vicinity by work-related activities and materials; and the design of work areas, processes, installations, machinery, equipment, and operating
procedures.

Risk assessment is done as per the procedure of ISO 45001 and Process Hazard Analysis (PHA) in Process Safety <management (PSM). Action planning is based on risk level classification (High Risk, Moderate Risk, Probably Acceptable, and Least Risk)

Before starting work at a project site, it is mandatory to carry out JSA (job safety analysis) and have a written SOP (standard operating procedure) duly approved by
Safety professionals.

Major Safety Risks are following:

1. Fatality, Lost Time Injury, Medical Treatment Case and First Aid from Falling from Height, Man Machine Interface / Material Handling and Liquid Steel / Burn
Injury

2. Fire, Explosion and Liquid Steel Leak from Process Incident
3. High Potential Property damage from Crane and Heavy Vehicle.

TSTH embarked upon Safety Excellence Journey (SEJ) supported by Tata Steel based on best practices from DuPont. This along with ISO45001, legal and others
requirements act as guiding principles for improving health and safety of all employees and contractor workmen at our manufacturing sites and offices.

E-Work Permit System

TSTH has implemented work permit system for high-risk activities. The company ensures that any work carried out has safe working procedures and is communicated to working crew. Following tasks mandatorily require work permit system to be followed:

Safety Standard and Procedure

TSTH has established safety standards that act as guidelines in related jobs. List of 29 safety standards including PPE, Work Permit, Work at Height, Crane Operation etc. is given in table. These are periodically reviewed and audited for implementation across the sites. Besides these standards, there are procedures and work instructions as per ISO45001 deployed at working sites.

Safety and Health Training

TSTH establishes an annual Safety and Health Training program as part of its long-term operational plan, based on a structured assessment of job requirements, including educational qualifications, required training, and relevant work experience for each position. The program is periodically reviewed to identify gaps and ensure continuous improvement. Overall, in the past year, the Company conducted varies of training sessions related to occupational health and safety. Examples of training programs provided are outlined below.

Contractor Safety Management (CSM)

To ensure a high standard of safety in contractor operations, the Company has implemented a structured Contractor Safety Management (CSM) process, focusing on selecting qualified contractors, providing appropriate training, and closely monitoring performance throughout the work lifecycle. The process consists of six key steps:

1. Contractor Selection

The Company conducts a thorough evaluation of contractors and sub-contractors based on safety performance history, technical capability, and compliance
with occupational health and safety (OHS) requirements. Only contractors that meet the Company’s standards are approved and registered.

2. Contract Preparation

Safety requirements, expectations, and responsibilities are clearly defined and incorporated into contract documents. This includes
compliance with Company OHS policies, risk control measures, and reporting requirements.

3. Contract Award

Contractors are selected based on both commercial and safety criteria to ensure alignment with the Company’s commitment to safe and responsible operations.

4. Orientation and Training

All contractors are required to undergo safety orientation and training prior to commencing work. The training covers workplace hazards, emergency response procedures, and site-specific safety practices to ensure full understanding of safety expectations.

5. Managing the Work

During project execution, the Company closely supervises contractor activities through regular inspections, on-site monitoring, and the use of safety tools and technologies. Continuous communication is maintained to address risks and ensure compliance with safety procedures.

6. Periodic Evaluation

The Company conducts periodic performance evaluations of contractors, focusing on safety compliance, incident records, and overall work quality. Feedback is provided, and improvement plans are implemented where necessary to enhance contractor safety performance.

Process Safety Management

The Company has implemented a structured Process Safety Management (PSM) framework in alignment with the requirements of the Industrial Estate Authority of Thailand (IEAT) and relevant standards. The PSM system consists of 14 modules that are designed to systematically manage operational risks associated with high-risk processes and equipment. In which, these 14 modules include:

1. Employee Participation (EP) 2. Process Safety Information (PSI) 3. Process Hazard Analysis (PHA) 4. Operating Procedures (OP) 5. Training (TN) 6. Contractor Safety Management (CSM) 7. Pre-Startup Safety Review (PSSR) 8. Mechanical Integrity (MI) 9. Permit to Work (PTW) 10. Management of Change (MOC) 11. Incident Investigation (II) 12. Emergency Preparedness and Response (EPR) 13. Compliance Audit (CA) 14. Trade Secrets (TS).

The Company applies these elements across its core production processes such as EAF, LF, CCM, and RHF to prevent major incidents, including fire, explosion, and hazardous material release. Regular monitoring, internal audits, and continuous improvement activities are conducted to ensure effective implementation and compliance with regulatory requirements.

Through this structured PSM framework, the Company aims to strengthen process safety, minimize operational risks, and achieve its goal of zero major incidents.

Safety Communication and Campaign

The Company actively promotes occupational health and safety (OHS) through continuous communication and engagement initiatives aimed at strengthening safety awareness and knowledge sharing across the organization. Various communication materials and campaigns are developed based on past incident analysis to improve understanding of safety practices, workplace risks, health and environmental awareness, and preventive measures, while fostering a proactive safety culture and shared commitment to a safe workplace. Communication and engagement activities are conducted through posters, emails, mass meetings, site audits, safety forums, training sessions, and internal awareness programs, encouraging employee participation and continuous knowledge sharing across both plant and
office operations. The details of quarterly Safety Campaign is as following:

Examples of Safety Communication and Campaign materials:

Zero Incident Zero Harm Observation Campaign

TSTH arrange observation and line walk by Senior leadership including Vice President, Senior Department Manager, Department Manager and Section Manager to deploy Zero Incident and Zero Harm Campaign, including operation out of officer hour in morning and night. To find compliance in safety behavior, and opportunity to improvement in safety condition.

Health Campaign

Implement a structured health promotion program aimed at improving the overall Employee Health Index through
preventive care and lifestyle management. The campaign will include:

• Medical Consultation & Doctor Advisory – Provide access to professional health consultations, regular check-ups, and personalized health advice to support early detection and prevention.
• Exercise Programs – Encourage physical activity through organized fitness initiatives, workplace challenges, and guided exercise sessions to improve employee well-being.
• Nutrition & Lifestyle Awareness – Promote healthy eating habits and lifestyle improvements through awareness sessions, campaigns, and practical guidance.

This initiative aims to enhance employee well-being, reduce health-related risks, and support long-term productivity and engagement. Also, To support the Health Campaign, the organization will adopt the Tata Steel Health Index framework as a standardized approach to measure and track overall employee health. The Health Index is calculated based on four key health indicators:

• Body Mass Index (BMI)
• Blood Pressure
• Cholesterol Level
• Blood Sugar Level

Each parameter is scored individually, with a combined total score of 16, representing the overall health status of employees at both individual and organizational levels. By integrating the Health Index with ongoing health campaigns, the organization can systematically improve employee well-being and drive sustainable workforce productivity. During the fiscal year 2026, the Company achieved a Health Index score of 10.1 points.

Technology-Driven Safety and Automation Initiatives

Beyond training initiatives, the Company also places importance on actively leverages advanced technologies and automation to enhance workplace safety and reduce operational risks, while minimizing reliance on manual intervention in high-risk activities. These initiatives are designed to prevent accidents, improve hazard detection, and create a safer working environment across operations. Key initiatives include the implementation of three core
technologies across operations:

1. Digital Intervention for Forklifts deployed across all three plants, incorporating anti-collision systems, access
control, and AI-enabled cameras to monitor usage in real time and prevent unauthorized or unsafe operation.

2. Thermo-scan Cameras, which continuously monitor temperature conditions to enable early detection of
abnormalities such as overheating or potential fire hazards

3. Crane Laser Lighting Systems, which enhance visibility and clearly define safe working zones during lifting
operations, reducing the risk of personnel entering hazardous areas.

Through the integration of these technologies, the Company reduces direct human exposure to operational hazards, enhances real-time monitoring and control, and improves overall efficiency and safety in the workplace. These efforts demonstrate the Company’s commitment to advancing occupational health and safety through innovation and technology-driven solutions.

FY 2026 Performance