ESG Awards or Pride

On December 12, 2025, the Stock Exchange of Thailand (SET) announced the 2025 SET ESG Ratings, recognizing companies for their commitment to sustainable business practices. CH. Karnchang Public Company Limited was included in the Thailand Sustainability Investment (TSI) list for the fifth consecutive year and achieved an AA rating in the SET ESG Ratings for 2024.

The assessment evaluates sustainability performance across economic, social, and environmental dimensions. As a publicly listed company known for its strong commitment to sustainability, CH. Karnchang has consistently delivered solid financial performance and stable shareholder returns while upholding its responsibilities to all stakeholders, society, and the environment. These efforts align with the principles of Environmental, Social, and Governance (ESG) standards.

CH. Karnchang Public Company Limited has been awarded an “Excellent” rating in the 2025 corporate governance assessment for Thai listed companies by the Thai Institute of Directors Association (IOD).

CH. Karnchang Public Company Limited was awarded a quality assessment score for its Annual General Meeting (AGM Checklist) for 2025, achieving a score within the range of 100, as evaluated by the Thai Investors Association.

CH. Karnchang Public Company Limited has been recognized as part of the ESG100 Company group for 2025 by the Thaipat Institute, marking its tenth consecutive year of inclusion. the 2025 ESG Emerging and ESG100 evaluations, the Thaipat Institute assessed 921 listed securities, analyzing over 17,000 ESG-related data points. The selection criteria prioritize securities with strong ESG performance, transparency, and business practices that align with ESG principles across multiple aspects.

CH. Karnchang Public Company Limited was honored with the Outstanding CEO, Outstanding CFO, and Outstanding IR awards in the Real Estate and Construction category. The awards were presented by Mr. Paiboon Nalinthrangkurn, President of the Investment Analysts Association (IAA), at the IAA Awards for Listed Companies 2025 ceremony, organized by the Investment Analysts Association (IAA). These accolades were determined through votes from analysts and fund managers, recognizing CH. Karnchang’s commitment to providing precise, clear, and reliable information to the investment community. This achievement underscores CH. Karnchang’s dedication to good corporate governance, social and environmental responsibility, and sustainable business growth.

MRTA Presents “Environmental Management Award” to Contractor of the Purple Line MRT Project (Tao Poon – Rat Burana Section, Kanchanaphisek Ring Road)

Mr. Nat Naktornarin, Assistant Governor of the Mass Rapid Transit Authority of Thailand (MRTA), presided over the presentation of the Environmental Management Award to the construction contractor of the Purple Line MRT Project (Tao Poon – Rat Burana Section, Kanchanaphisek Ring Road). The award was granted to contractors who successfully passed inspections on compliance with environmental measures and consistently maintained full adherence to the prescribed environmental standards from January to December 2025, covering a period of one year.

The award was presented to the CKST-PL Joint Venture under Contract 1 for one construction area, namely the guideway section between Parliament Station and the interface point with Contract 2. The contractor demonstrated excellent compliance and performance in accordance with environmental management measures.

MRTA has established a biannual performance evaluation system for construction contractors and occupational safety officers, focusing on safety, occupational health, and working environment management. The evaluation framework consists of two main components:

• Assessment of safety, occupational health, and working environment management performance (20 criteria). Assessment of occupational safety officers’ performance (16 criteria).
• The evaluations are conducted by Safety Specialists, relevant personnel, and consulting firms responsible for assessing safety performance and compliance with environmental measures.

MRTA has continuously emphasized environmental inspections alongside the implementation of MRT construction projects under its responsibility. The presentation of this award aims to encourage and reinforce contractors who demonstrate outstanding environmental performance. It also aligns with the Ministry of Transport’s environmental policy, which promotes proactive measures among affiliated agencies to prevent and reduce PM2.5 air pollution in a concrete and sustainable manner over the long term.