Dear

State Securities Commission

Hanoi Stock Exchange

Shareholders of Visicons Construction and Investment Joint Stock Company

Visicons Construction and Investment Joint Stock Company reports on its business performance results for Q1 2026

See attached files:

► Report on business performance results for Q1 2026 - Parent Company (Vietnamese)

► Report on business performance results for Q1 2026 - Consolidated (Vietnamese)

► Explanation of differences in Q1 2026 business results (Vietnamese)

► Report on business performance results for Q1 2026 2026 - Parent Company (English)

► Consolidated Business Performance Report for Q1 2026 (English)

► Explanation of Differences in Business Results for Q1 2026 (English)