Asst.Prof.Dr.Somjai Phagaphavivat

Chairman of the Board

Dear Shareholders, Customers, Business Partners, and Valued Customers

The year 2025 was a proud year and a significant milestone for the company, reinforcing its leadership in the bored pile and Diaphragm wall business. Amidst challenging economic conditions, the company achieved strong growth in performance, with revenue and net profit significantly higher than in the year 2024. This was a result of efficient cost management and the delivery of high-quality projects, earning the trust of both government and private sector clients in large-scale projects.

Sustainability and innovation success

We firmly believe that true growth must go hand in hand with social and environmental responsibility. Therefore, by 2025, the company is committed to operating according to ESG principles and has received national recognition as follows:

• The ESG100 index from the Thai Institute of Development Administration (TIDA) has been selected to be included in the group of listed companies with outstanding performance in the area of ESG Environment, society, and governance.
• The ESG rating "A" from the Stock Exchange of Thailand reflects the company's standards in sustainable business management.
• The Green innovation the company has received two petty patents from the Department of Intellectual Property regarding environmentally friendly bored pile and Diaphragm wall systems, which reduce noise and vibration pollution and minimize the impact on surrounding communities.

For the year 2026, the company anticipates that it will be a year of "continuing upon success towards greater sustainability."

On behalf of the company's board of directors, I would like to thank all stakeholders for their continued support. We pledge to conduct our business with transparency, focus on innovation, and continue to build a strong foundation for Thai society.