COTECCONS CONTINUES TO BE HONORED IN THE TOP 20 COMPANIES WITH THE BEST SUSTAINABLE DEVELOPMENT INDEX

Coteccons’ sustainable development journey has once again been recognized as the Company continues to be listed in the Top 20 companies with the Sustainable Development Index (VNSI) announced by HOSE. This is a testament to Coteccons’ relentless efforts in integrating ESG into its business strategy to create long-term value for shareholders, investors and the community. 

According to HOSE’s assessment, Coteccons achieved an overall ESG score of 76%, with component scores superior to the industry average and the VN100. 

The breakthrough of the Environmental score (E) to 82%, an impressive increase from 68% in 2024, is the clearest proof of the effectiveness of the sustainable development strategy through efforts in management, compliance and environmental protection, applying green construction standards, optimizing resources and reducing emissions. 

This score was achieved thanks to a series of outstanding environmental initiatives implemented by Coteccons in recent times, including the application of greenhouse gas inventory software across 100% of project sites; the adoption of innovation and digitalization in project management to reduce emissions; and the promotion of circular economy practices through waste collection and recycling at construction sites. The Company has also planted more than 33,000 native trees in areas affected by climate change in Vietnam (Scope 3). Furthermore, Coteccons has pioneered the use of eco-friendly uniforms made from recycled plastic bottles and coffee grounds, helping foster a sustainable lifestyle across the organization.


Coteccons kicks off the natural forest restoration project in Quang Tri, contributing to the regeneration of native ecosystems and spreading sustainable values within the local community

Not only creating eco-friendly green buildings, Coteccons is also steadfast with the philosophy of “Building with Heart”, where people and the community are always the center of all activities. That explains why the Social score (S) this year was recorded at 73%, significantly higher than the industry average (60%). 

Social programs are implemented with the goal of building a fair, diverse and inclusive working environment for employees. Outstanding programs such as “Xây Tết” have been persistently implemented over the past 3 years with 47,960 gifts; similarly, a total of 9,220 Mid-Autumn gifts were given to children from 2022 to 2025 and 318 scholarships supporting children of workers in difficult circumstances were awarded in 2025. In addition, previously Coteccons implemented more than 1,000 free eye surgeries, supported 35 pediatric cancer patients with VND 700 million and renovated nearly 150 residential and public works in the “Nhà Mình” program. 

“Xay Tet” gift packages are delivered directly to workers, spreading appreciation and a spirit of care to the construction workforce across Coteccons’ sites

To maintain positive impacts on the Environment and Society in the long term, Coteccons understands that the enterprise needs a solid foundation. That is a transparent Governance system, helping to realize all commitments to shareholders, partners and the community. 

The robustness of this system is reflected in the Governance (G) score of 71%, up from 66% in 2024 and significantly higher than the industry average of 57%. This demonstrates Coteccons’ unwavering commitment to legal compliance, information transparency, comprehensive disclosure to shareholders and regulatory authorities. Alongside a comprehensive ESG policy framework and a holistic sustainable development practice structure, the Company continuously strengthens its risk management framework towards efficiency and sustainability, ensuring that management decisions are made transparently, promptly and in line with modern governance standards. 

Specifically, activities such as Shareholders’ Day, construction site Tet livestreams, or site-tours for investors continue to affirm Coteccons’ efforts in practicing transparent, responsible information disclosure and open dialogue with shareholders.

Shareholders’ Day 2025: The most challenging project is building happiness and trust for our shareholders

A testament to this effort is Coteccons being honored at the IR Awards 2025 with the two highest awards in the Mid-Cap group: “Individual Investors’ Best Choice” and “Financial Institutions’ Best Assessment”, while also achieving the Information Disclosure Standard for the 5th consecutive year.

This recognition from the market serves as a strong motivation for Coteccons employees, who work daily with the spirit of “Building with Heart, Vision, Integrity, and Intellect”. It reinforces the Company’s commitment to its philosophy of “Serve to Lead” and its contribution to creating positive social impact. 

Sustainable development is a journey with no finish line. Coteccons commits to continuing to pioneer and promote sustainable development initiatives in all business aspects, contributing to elevating Vietnam’s construction industry to be greener and more sustainable. 

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Ho Chi Minh City, May 12, 2026 – Coteccons Construction Joint Stock Company (HoSE: CTD) hereby provides an update on the ownership of the Korea Investment Management (KIM) group, which currently holds a 4.13% stake in the Company, based on the latest disclosed transaction reports in accordance with regulatory requirements. This marks the eighth ownership update since KIM became a major shareholder of Coteccons in June 2024, including four increases and four decreases in its ownership ratio. Over the years, Coteccons has received strong support from both domestic and international institutional investors throughout its restructuring journey, as well as in enhancing operational efficiency and strengthening corporate governance. The Company remains on track to achieve its 2026 business plan, recording positive year-on-year growth in both revenue and profit, with approximately 80% of its annual revenue target and 92% of its profit after tax target already fulfilled. At the same time, Coteccons continues to receive favorable assessments from reputable financial institutions and securities firms, and has been consistently included in the Vietnam Sustainability Index (VNSI) by HoSE for multiple consecutive years. About Coteccons Coteccons is a Vietnam’s leading construction company, with more than two decades of experience in delivering large-scale and complex projects. With its aspiration to become an Industry Leader, Coteccons aims to lead not only through business performance but also by elevating industry standards and promoting sustainable development. The Company is committed to creating safer, more comfortable, and more meaningful living and working spaces, thereby contributing positively to the

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