การมีส่วนร่วมกับชุมชนและผู้มีส่วนได้เสียEngaging with the Community and Stakeholders

Community Support and CSR

TSTH recognizes community support and social responsibility as fundamental to sustainable business operations, particularly in communities surrounding its operational sites, which are key stakeholders. Social responsibility initiatives help build trust, strengthen relationships, and foster community acceptance, supporting business continuity.

The Company aims to minimize social and environmental impacts from its operations while improving community quality of life, education, livelihoods, health, and the environment through collaboration with government agencies, private sector organizations, and civil society. These efforts help mitigate significant risks, including community conflicts, loss of stakeholder trust, and environmental impacts from industrial activities that may affect the Company’s reputation and business operations.

At the same time, the Company seeks to create Shared Value through community capacity development, grassroots economy promotion, and the development of a strong and equitable society. Accordingly, the Company remains committed to continuously implementing social responsibility initiatives in line with sustainable development principles to manage impacts, reduce risks, and create opportunities together with communities in a balanced and sustainable manner.

Management Approach

The Company conducts community support and social responsibility operations under the sustainable development approach, aiming to create shared value among
the organization, communities, and society through social responsibility policies, community development, and stakeholder engagement, covering the promotion
of quality of life, education, occupation creation, social equality, health, safety, and environmental conservation

Management Structure

The Company has a CSR and Sustainability Committee to oversee, determine direction, monitor performance achievement, and drive operations together with the
Company’s management. The Human Resources Department is responsible for planning and implementing CSR and community relations activities in each area and
serves as the main unit in coordinating and conducting activities with local communities. The objectives are to build good relationships with communities, promote

employee participation, develop the potential of youth and communities, support community enterprises, and continuously implement environmental and well-being projects through the establishment of annual action plans aligned with the goals and core mission of social mission operations, together with the context of each area and community needs, in order to create tangible and sustainable benefits.

CSR Mission Category

The Company places importance on building sustainable relationships with communities and society by comprehensively implementing its Corporate Social
Responsibility (CSR) mission, covering the promotion of education, healthcare and environmental stewardship, respect for diversity, and community capacity development to improve people’s quality of life in a balanced and sustainable manner. These missions reflect the Company’s commitment to growing alongside society while creating shared values together. The details of the missions are as follows:

CSR Mission

Action Plan

The Company plans to drive the “Tata Steel for Every Life” project in the financial year 2027 to strengthen safe, resilient, and sustainable communities through
CSR operations aimed at improving the quality of life for people of all stakeholders by leveraging Tata Steel’s expertise and steel products together with the volunteer
spirit of employees to create positive impacts on society. The Company will focus on building collaboration with schools, communities, elderly groups, customers, and local authorities to implement various activities such

as developing vegetable growing areas in schools, supporting recycling and waste management, installing handrails and ramps to enhance safety in communities,
supporting steel materials for public benefit projects, as well as utilizing leftover materials for educational and community purposes. In this regard, the Company aims to promote employee participation through volunteer activities to strengthen the Company’s image in social responsibility and create sustainable development in the long term. The targets of each locations are as follows:

Targets and Goals

The Company has established targets for community support and social responsibility in order to create positive impacts on society, communities, and the environment in a sustainable manner. The qualitative targets are as follows:

Highlighted Implementation and Activities

The Company conducts social responsibility activities with a focus on holistic community development, covering
social, economic, and environmental dimensions through four key missions as follows:

• Promoting Local Tradition, Culture and Education
• Promoting Health, Safety, Environment Conservation and Natural Resource Restoration
• Promote Diversity, Equity & Inclusion
• Promote Livelihood and Skill Development
The key projects undertaken during the year and details of each project are as follows:

1. Doing Good in Honor of Her Majesty the Queen Mother Project

The Company, together with customers Siam Industrial Wire and Rasa One, conducted the “Doing Good in Honor of Her Majesty the Queen Mother Project” to facilitate and relieve difficulties for the public attending the Royal Cremation Ceremony of Her Majesty Queen Sirikit the Queen Mother during January 7-8, 2026. The Company supported 2,000 sets of snacks and 2,000 fans for distribution to the public attending the royal ceremony. This activity reflected the
collaboration between the Company and business partners in contributing to society, as well as demonstrating care
and participation in supporting communities and society during an important national occasion.

2. Tree Planting and Forest Conservation Initiatives

The Company has continuously conducted tree planting, check dam construction, and ecosystem restoration activities together with communities surrounding the plants for more than 13 years. During the reporting year, the Company planted a total of 5,350 trees in Bangkok, Rayong, Chonburi, and Saraburi to increase green areas, restore ecosystems, and continuously raise environmental conservation awareness among surrounding communities and stakeholders.

3. Solar Cell Installation for Communities “Solar for Life Project”

The Company supported the installation of a solar energy system (Solar Cell) under the “Solar for Life Project” to promote the use of clean energy, reduce electricity expenses, and raise awareness of renewable energy among communities and educational institutions. On February 12, 2026, SCSC plant delivered a 10-kilowatt solar power generation system to Wat Krok Yai Cha School to support the use of clean energy within the school, reduce electricity consumption and related expenses, and serve as a learning center for renewable energy for students and communities in the area, thereby promoting sustainable environmental development and quality of life

4. Survival Kit Distribution for the Underprivileged

The Company conducted home visit initiatives and supported the quality of life of the elderly and underprivileged in collaboration with public health authorities and local agencies to promote well-being and support people in communities requiring care. On March 19, 2026, the Company, together with Tha Luang Subdistrict Municipality, Tha Ruea District, Phra Nakhon Si Ayutthaya Province, distributed survival kits to 5 underprivileged households. This activity reflected the collaboration among the Company, public sector, and communities in improving quality of life and strengthening society sustainably.