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Phuoc An Bridge Project, connecting Ho Chi Minh City and Dong Nai Province, has officially achieved main span closure across the Thi Vai River. This represents a particularly critical technical milestone, marking the closure of the Extradosed cable-stayed bridge structure featuring a 250m main span—affirming the execution capacity ahead of schedule and the technical prowess of the Trungnam E&C Contractor Joint Venture. A Historic Span Closure Milestone on the Thi Vai River Megaproject Following an intensive resource deployment operating under a continuous multi-shift schedule (“3 shifts, 4 teams”), on July 24, 2026, the main span of Phuoc An Bridge was officially closed with precision. The event marks the structural connection between the two central pylon towers, T38 and T39, forming a cross-river transit axis over the Thi Vai River between two strategic regions. Immediately after the main span closure, all 3 closure segments together with the stay-cable system consisting of 24/24 cable strands (12 strands at tower T38 and 12 strands at tower T39) were fully post-tensioned with absolute precision, satisfying all rigorous load-bearing and architectural standards. Technical Specifications & Impressive Project Scope Total alignment length: 4,378 m (bridge section: 3,514 m; approach roads: 864 m). Cross-section scale: 6 traffic lanes (4 motorized lanes, 2 mixed-use lanes), deck width: 27–28 m. Superstructure: Extradosed cable-stayed bridge with a 250 m main span. Navigation clearance: High-clearance of 55 m, accommodating maritime vessels up to 30,000 DWT safely underneath. Total investment capital: Nearly VND 4,900 billion. Accelerating Execution for Final Construction Items Trungnam E&C brings years of experience executing major infrastructure projects, including My Thuan 2 Bridge and Rach Mieu 2 Bridge. On this project, the Trungnam E&C – Trung Chinh Joint Venture is executing Contract Package No. 39 (XL-39) spanning from Pier T37 to Pier T40—the most critical and structurally complex main

The Provincial Road 8 Overpass project crossing the Ho Chi Minh City – Moc Bai Expressway has reached over 24% completion. Trungnam E&C is accelerating the construction of key work packages, ensuring quality, safety, and project schedule. Construction Progress of Provincial Road 8 Overpass Reached Over 24% in July The Provincial Road 8 Overpass project, spanning across the Ho Chi Minh City – Moc Bai Expressway, is being actively and vigorously executed by the Trungnam E&C – Quang Phuc Consortium to ensure structural quality, site safety, and execution schedule. To date, the overall construction volume of the project has surpassed 24%, marking significant progress in foundation works and substructure execution By mobilizing manpower, heavy equipment, and implementing scientific construction management, the consortium maintains continuous execution along the entire alignment. Key work packages are being executed concurrently to shorten duration and optimize equipment efficiency. Current critical path activities include: Bored pile foundation construction, Pile caps and pier column execution, Precast beam casting yard development and gantry crane installation, Embankment filling for frontage roads, Completion of temporary service roads for local traffic maintenance Executing multiple work packages simultaneously not only safeguards the master schedule but also sets the stage for transitioning into superstructure construction in the upcoming phase In July, Trungnam E&C completed 9 out of 23 bored piles, focusing on the foundation of Pier T04. Bored piles serve as critical foundation elements that determine the overall load-bearing capacity and long-term structural stability of the bridge. The piling process requires strict quality control at every stage: setting out pile coordinates, drilling boreholes, applying bentonite slurry for borehole stabilization, cage lowering, and concrete placement to guarantee concrete integrity and shaft continuity. In parallel with field operations, all technical parameters are strictly inspected per quality assurance and acceptance protocols. This ensures the foundation meets

On the morning of July 10, 2026, the Groundbreaking Ceremony for the Upgrading and Expansion Project of Provincial Road DT 769 and Provincial Road DT 773 was held in Dong Nai City. These are two key transportation infrastructure projects of strategic importance in completing the regional connectivity network for the Southeast region, especially serving the upcoming operation of Long Thanh International Airport Upgrading and Expansion Project of Provincial Road DT 773 DT 773 is a vital transport arterial in Dong Nai City, playing a key role in connecting industrial and urban development zones with the national transport network and future ring roads. According to the master plan, the entire DT 773 alignment spans approximately 39 km, starting at the intersection with National Route 1 and terminating at Ho Chi Minh City Ring Road 4. The alignment traverses through Xuan Hoa, Xuan Loc, Xuan Phu, Xuan Dong, Cam My, and Xuan Duong communes/wards. The project is designed with a scale of 6 to 8 traffic lanes and a design speed of 80 km/h, representing a total investment of over VND 4,300 billion. Upon completion, the DT 773 route will contribute to: Strengthening the connection between National Route 1 and HCMC Ring Road 4. Enhancing freight and passenger transport capacity for the eastern region of Dong Nai Province. Progressively completing the transport network in accordance with the master plan. Alleviating traffic congestion on existing routes. Promoting the development of industrial zones, urban centers, and logistics services. This is considered a vital backbone corridor that helps establish an inter-regional connectivity network as the Southeast region enters a phase of rapid industrial, urban, and logistical expansion. Upgrading and Expansion Project of Provincial Road DT 769 In addition to DT 773, the upgrading and expansion project for DT 769 is recognized as playing an exceptionally

The Vàm Lẽo Lock Chamber Project is currently producing structural elements, fabricating steel reinforcement, and executing full-scale mass piling for the lock body. Construction progress has reached approximately 4%, ensuring adherence to the planned schedule. Trungnam E&C Focuses on Executing Key Work Items at the Vàm Lẽo Project At the Vàm Lẽo Lock Chamber Project, Trungnam E&C is concentrating its resources, manpower, and equipment to execute key scheduled work items as approved. To date, the total construction progress accounts for approximately 4% of the total contract volume. On site, multiple construction teams are simultaneously carrying out the production of reinforced concrete elements, rebar cage fabrication, materials and equipment mobilization, and mass pile driving for the lock body, laying a critical foundation for subsequent construction phases Accelerating Mass Pile Driving for the Lock Chamber Structure On site, a full fleet of specialized foundation equipment has been fully mobilized. Construction units are driving piles across multiple fronts concurrently to ensure project progress. All operations follow strict technical procedures under the close supervision of technical personnel, the Project Management Unit (PMU), and the Supervision Consultant. In parallel with pile driving operations, teams of engineers and workers are stepping up rebar fabrication and precast element production to serve the upcoming reinforced concrete construction phases. Mobilizing Resources, Guaranteeing Progress and Quality To meet strict schedule requirements, Trungnam E&C has deployed comprehensive manpower, heavy equipment, and material resources. Integrated construction site management measures are being implemented: Execution progress strictly following the master plan. Workmanship quality adhering to technical specifications. Occupational safety and environmental hygiene compliance. Stringent quality control of input materials. Risk management adapted to waterway and riverine site conditions. Along with enhanced field coordination, all participating units are working closely to promptly resolve emerging site challenges, ensuring uninterrupted and efficient work execution across all items.

On the morning of April 20, 2026, the Irrigation Investment and Construction Management Board 10 (PMU 10), in coordination with the Construction Consortium, officially held the Groundbreaking Ceremony for Package XL02: Construction, Equipment Supply, and Installation for Vàm Lẽo Lock Chamber Project. This is a key work item under the Water Regulation and Fresh Water Supply System Project for Aquaculture in the Area South of National Route 1A, Bạc Liêu Province Key Infrastructure Project in the Area South of National Route 1A Located in Hưng Hội Commune and Vĩnh Trạch Ward (Cà Mau City), the Vàm Lẽo Lock Chamber Project is a strategic link in the water resources management plan for the Mekong Delta region. With a total contract value of VND 343 billion, the project is designed with multi-objective functions: Water Resource Regulation: Proactively controlling salinity and fresh water supply to safeguard key aquaculture zones in Cà Mau Province. Climate Change Adaptation: Preventing tidal surges, mitigating saltwater intrusion, and reducing flood risks in inland agricultural fields. Ensuring Inland Waterway Navigation: The modern lock chamber system allows smooth vessel navigation even when the lock gates are closed for water control. Construction Capabilities of Contractor Trungnam E&C With over 18 years of experience in executing mega-projects—including the Tidal Flood Control Project (Phase 1) in Ho Chi Minh City with Climate Change Considerations, featuring national-scale works such as Mương Chuối Sluice Gate, Phú Định, Cây Khô, Tân Thuận, Phú Xuân, and Bến Nghé Sluice Gates—Trungnam E&C commits to applying the most advanced technical solutions and mobilizing specialized heavy machinery to meet the most stringent technical standards. A representative of Trungnam E&C affirmed: “We are fully aware of the vital role the Vàm Lẽo Lock Chamber plays in social welfare and local livelihoods. Driven by high determination, Trungnam E&C commits to maximizing all

Bình Gởi Bridge project—a critical component of the Ring Road 3 project in Ho Chi Minh City passing through Bình Dương Province—is entering its final accelerated construction phase. The project has currently reached 91% of total completion volume, remaining on track to open to traffic and be inaugurated in Q2/2026 as directed by the Prime Minister. Bình Gởi Bridge Progress Reaches 91% Construction Volume Bình Gởi Bridge is not merely a transport infrastructure structure, but is also considered a vital arterial connector joining two of the most dynamic economic hubs: Bình Dương and Củ Chi (HCMC). Located between Km51+280 and Km52+580, this constitutes package XL4 under Component Project 5 of the HCMC Ring Road 3 project. The investment in Bình Gởi Bridge plays a crucial role in completing the regional transport network. Once operational, the bridge will significantly alleviate traffic congestion on National Highway 13 and Phú Cường Bridge, shortening freight transit times from industrial zones in Bình Dương to Western provinces and vice versa. As of now, the physical profile of Bình Gởi Bridge has taken shape over the Sài Gòn River. The total construction volume for package XL4 has hit 91% of the contract value. Currently, the main line at both abutments M1 and M2 has achieved 100% completion of soft soil ground improvement works (using Cement Deep Mixing – CDM columns) and completed all Mechanically Stabilized Earth (MSE) retaining walls. Main Bridge Superstructure: The entire main span structure has been successfully joined (closure segment completed). The most technically complex reinforced concrete construction items are fully finished. Bridge Deck Asphalt Paving: This represents the major highlight of current progress. The main bridge section has completed hot-mix asphalt (HMA) paving, satisfying all high-level expressway smoothness and technical specifications. Approach Roads: Subgrade preparation, earthwork compaction, and embankment construction for the