The company is environmentally conscious and takes climate change and environmental factors into account in its operations. It has established policies, practices, monitoring, and continuous development in environmental matters. The company provides knowledge and training related to relevant work standards, supports and promotes environmental conservation efforts, and aims to minimize its environmental and community impact resulting from its construction processes.

Performance 2025

Reduction of Direct and Indirect GHG Emissions from Energy Consumption

TonCO2e

Solar Energy Generation (Solar Cells)

kWh

Electricity consumption was reduced by

%

Compared to 2024

STEC - Construction Site/SNT/WISDOM Diverted non-hazardous waste for recycling

Tons representing 77% of the total non-hazardous waste generated

General waste Reduction STEC-Main Office

%

Compared to 2024

STEC is certified under ISO 14001:2015 for the “Construction of Building” scope, accounting for

%

of all units

Waste separation operations included all units.

Air Quality Management

Air Quality Management Policy and Practice
Air Quality Management

Air Quality Management Goals

Total Suspended Particulate (TSP) – 24 Hour Average

Not exceeding

0.33 (mg/m³)

Particulate matter-10 micron (PM10) – 24 Hour Average

Not exceeding

0.12 (mg/m³)

Plans/Projects/Activities Environmental Aspect

Plans/Projects/Activities Environmental Aspect

Noise Level Management

Noise Level Management policy and practice
Noise Level Management

Noise Level Management Goals

Average Sound in 24 hours (Leq, 24 hrs.)

Not exceeding

70 dB(A)

Maximum Sound (Lmax)

Not exceeding

115 dB(A)

Plans/Projects/Activities Environmental Aspect

Plans/Projects/Activities Environmental Aspect

Water Management

Water Management Policy and Practice
Water Management

Water Management Goals

Wastewater Quality

Not exceeding standards in Ministry of Natural Resources and Environment Notifications.

Water Consumption (Head Office)

Water consumption in offices is reduced by 2% compared to 2024.

Plans/Projects/Activities Environmental Aspect

Plans/Projects/Activities Environmental Aspect

Garbage and Waste Management

Garbage and Waste Management Policy and Practice
Garbage and Waste Management

Garbage and Waste Management Goals

Waste Sorting

at All Units by 2025

Waste Reduction

By 5% /Person/Year Compared to 2024 (Head office)

Reuse + Recycle

50-75% of Waste (Equivalent to LEED Standards) by 2025

Produce Up

to 3 Food Waste Composters by 2025

Plans/Projects/Activities Environmental Aspect

Plans/Projects/Activities Environmental Aspect

Energy and Resource Management

Energy and Resource Management Policy and Practice
Energy and Resource Management

Energy Management and Cost-Effective Resource Utilization Goals

Energy Management Goals

Reduce electricity consumption by

2% compared to 2024.

Increase alternative energy consumption in

10% of all construction sites.

Reduce oil consumption by

0.2% compared to 2024.

Ensure that

25% of all electricity consumed is sourced from renewable energy.

Cost-Efficiency Resource Utilization Goals

Reduce paper consumption in offices by

5% compared to 2024 in 2025

Reuse over

50% of metal materials from knockdown houses in each relocation.

Plans/Projects/Activities Environmental Aspect

Plans/Projects/Activities Environmental Aspect

Biodiversity

STECON Group Public Company Limited and its subsidiaries are deeply committed to mitigating environmental impacts on biodiversity. Consequently, the Company has established a biodiversity policy to manage and monitor biodiversity-related operations with maximum efficiency and effectiveness, regularly reporting and evaluating performance to minimize impacts from Company activities. See the details on the Biodiversity Policy on the Company’s website https://www.stecongroup.co.th/storage/document/cg/biodiversity-policy-en.pdf

Biodiversity

Biodiversity Goals

Avoiding or reducing impacts on biodiversity from business operations

Prioritizing the preservation or protection of biodiversity

Plans/Projects/Activities Environmental Aspect

Plans/Projects/Activities Environmental Aspect

Climate Change and Greenhouse Gas Emissions Management

Stecon Group Public Company Limited is aware of the Company’s corporate social and environment responsibility, which specified the environment and climate change policy along with specifying goals and plans to participate in Thailand’s efforts to achieve carbon neutrality by 2050. In addition, the company provides climate risk assessments which consist of variety parts as strategies, operational, financial, and compliances. These climate risks will affect company activities in the future. Therefore, the company should prepare to handle these risks.

Climate Change and Greenhouse Gas Emissions Management

Climate Change and Greenhouse Gas Emissions Goals

2029

Short-Term (5 years)

2%

Reduction Compared to Base Year

2038

Medium-Term (9 years)

8%

Reduction Compared to Base Year

2050

Long-Term (12 years)

20%

Reduction Compared to Base Year

Climate Change and Greenhouse Gas Emissions Management Performance

Climate Change and Greenhouse Gas Emissions Management Performance

Plans/Projects/Activities Environmental Aspect

Plans/Projects/Activities Environmental Aspect

Environmentally Friendly Construction

Stecon Group Public Company Limited wants to participate in supporting environmentally friendly construction. Therefore, the Company determined Climate change and environmental policy to support environmentally friendly construction activities and operations to reduce environmental impact from construction. The company is developing management systems, technologies and innovations, to increase competitive capacity and aim towards achieving sustainable goals.

As the activities of its core subsidiaries are to relate with construction part which standardized designs, the Company’s operations support and encourage use of green materials, particularly in projects with specified standards in the project requirement such as LEED or TREEs

Environmentally Friendly Construction

Plans/Projects/Activities Environmental Aspect

Plans/Projects/Activities Environmental Aspect