INFORMATION ABOUT COTECCONS SHAREHOLDERS’ DAY 2026

Ho Chi Minh City, June 11, 2026 – Coteccons Construction Joint Stock Company (HOSE: CTD) has once again been honored among Vietnam’s Top 50 Corporate Sustainability Awards (Top50 CSA) 2026, organized by Nhip Cau Dau Tu Magazine. The year 2026 marks the fifth edition of the award program and the fourth consecutive year that Coteccons has been recognized in this prestigious ranking, maintaining its strong track record across all three Environmental, Social, and Governance (ESG) pillars. Ms. Dinh Thi Hong Tham, Corporate Affairs Director, representing Coteccons, received the award This year, Coteccons was recognized in two key categories: S – Human Capital Strategy for Sustainable Development G – Excellence in Corporate Governance Being acknowledged simultaneously in these two categories reflects a clear evolution in the company’s ESG approach—from strategic commitment to practical execution aligned with international standards, with a strong focus on the two most critical foundations of sustainable development: people and governance. With its multi-layered assessment framework, Top 50 CSA not only recognizes outcomes but also evaluates how effectively enterprises integrate ESG principles into their strategies and operations. As ESG increasingly becomes a market standard, this recognition highlights Coteccons’ capability to transform ESG commitments into sustainable value for communities, long-term benefits for the business, and positive impacts across its ecosystem. Staying the Course on ESG: From Commitment to Execution Through People and Governance In an industry facing ongoing workforce challenges and increasingly stringent operational standards, Coteccons has chosen a foundational approach: transforming both people and systems rather than