COTECCONS REDUCES MORE THAN 237,000 TONS OF CO₂E THANKS TO GREEN OPERATIONS MANAGEMENT

December 25, 2025

Coteccons pursues sustainable development with governance as its spearhead, ensuring alignment from leadership mindset to on-site operations. This approach enabled the company to cut more than 237,000 tons of CO₂e during fiscal year 2025 (July 2024 – June 2025).
Over the past year, the company used 48% green steel—equivalent to more than 300,169 tons—sourced from suppliers certified under LEED, EPD, and LCA standards. At the same time, Coteccons incorporated over 41.2 million XMCL bricks (non-fired bricks), accounting for 50% of the total bricks used during the year.
Beyond materials, Coteccons invests in people and operational excellence. More than 200 employees were trained in greenhouse gas inventory to strengthen ESG implementation at construction sites. The company rolled out safety and welfare programs for workers, recording over 46.5 million safe working hours across 56 projects and providing more than 14,000 free health check-ups for laborers. Between 2022 and 2025, Coteccons also planted over 33,000 native trees to help restore upstream forests.

COTECCONS AND UNICONS HONORED FOR THE SECOND CONSECUTIVE YEAR IN THE TOP 10 VIETNAM GREEN ESG COMPANIES 2026 – CONSTRUCTION INDUSTRY

27/06/2026

Hanoi, June 26, 2026 – At the Vietnam Business Forum 2026, themed “Innovation for Growth, Green for Sustainability,” Coteccons and Unicons were honored in the Top 10 Vietnam Green ESG Companies 2026 – Construction industry (ESG10). This marks the second consecutive year that both companies have been included in the prestigious ranking, reaffirming their unwavering commitment to ESG practices and demonstrating that sustainable development has been consistently embedded throughout the Coteccons ecosystem. Mr. Nguyen Viet Thang, Corporate Governance Manager, received the award on behalf of Coteccons Representatives of Coteccons together with other distinguished enterprises honored at the award ceremony The Top 10 Vietnam Green ESG Companies 2026 (ESG 10) program is jointly researched and published annually by Viet Research and Finance & Investment Newspaper under the Ministry of Finance. The program recognizes pioneering enterprises that effectively integrate Environmental, Social and Governance (ESG) principles into their business strategies, contributing to the promotion of responsible growth and enhancing the long-term competitiveness of Vietnamese businesses in the global economy. The ESG10 framework is developed based on internationally recognized ESG assessment methodologies, including the Dow Jones Sustainability Index (DJSI), MSCI ESG Ratings, Sustainalytics ESG Risk Ratings, Bloomberg ESG Data Service, and Corporate Knights Global 100, while being adapted to Vietnam’s business environment. Companies are comprehensively evaluated based on sustainable business performance, ESG strategies and commitments, environmental practices, social responsibility, and corporate governance. This recognition carries even greater significance as Vietnam accelerates its green growth agenda toward achieving net-zero emissions by 2050, while ESG standards

June 27, 2026

COTECCONS HOSTS NORTHERN VIETNAM SITE TOUR FOR INVESTORS, DEMONSTRATING ITS CAPABILITY TO DELIVER WORLD-CLASS PROJECTS

13/06/2026

On June 12, 2026, Coteccons, in collaboration with HSC, organized an exclusive Site Tour for investors at the Pearl Theatre project, designed by Pritzker Prize-winning architect Renzo Piano. The project is one of Coteccons’ flagship developments, where the Company serves as the main contractor. The Site Tour forms part of Coteccons’ ongoing efforts to enhance transparency and strengthen engagement with the investment community by providing first-hand insights into the Company’s project execution capabilities, construction standards, and operational management system. From Contractor to Comprehensive Solution Provider for Complex Projects Through on-site visits and presentations delivered by the Project Management Team, investors gained a deeper understanding of how Coteccons approaches highly demanding projects, where design, engineering, and construction must be seamlessly integrated. A key highlight of the project is Coteccons’ implementation of the fast-track delivery model, under which design development and construction are carried out simultaneously. By working closely with the project owner from the early design stage, Coteccons helps optimize technical solutions while progressively establishing itself as a comprehensive solution provider that accompanies clients throughout the entire project lifecycle. The Pearl Theatre has a total gross floor area of approximately 40,980 square meters and features a striking cast-in-place reinforced concrete shell roof inspired by the rippling waves of West Lake. The roof shell varies in thickness from 200 to 700 millimeters. At its thinnest point, when compared proportionally to an eggshell, it is even thinner than the shell of an egg. Its reflective ceramic finish creates a distinctive “pearl” effect

June 13, 2026

COTECCONS NAMED AMONG VIETNAM’S TOP 50 CORPORATE SUSTAINABILITY AWARDS (TOP50 CSA 2026) FOR THE FOURTH CONSECUTIVE YEAR, REINFORCING EXCELLENCE IN GOVERNANCE AND SUSTAINABLE HUMAN CAPITAL STRATEGY

12/06/2026

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

June 12, 2026

COTECCONS REDUCES MORE THAN 237,000 TONS OF CO₂E THANKS TO GREEN OPERATIONS MANAGEMENT

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COTECCONS AND UNICONS HONORED FOR THE SECOND CONSECUTIVE YEAR IN THE TOP 10 VIETNAM GREEN ESG COMPANIES 2026 – CONSTRUCTION INDUSTRY

COTECCONS HOSTS NORTHERN VIETNAM SITE TOUR FOR INVESTORS, DEMONSTRATING ITS CAPABILITY TO DELIVER WORLD-CLASS PROJECTS

COTECCONS NAMED AMONG VIETNAM’S TOP 50 CORPORATE SUSTAINABILITY AWARDS (TOP50 CSA 2026) FOR THE FOURTH CONSECUTIVE YEAR, REINFORCING EXCELLENCE IN GOVERNANCE AND SUSTAINABLE HUMAN CAPITAL STRATEGY

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