ExCom Letter

Hanoi, July 16, 2026 – Within the framework of the Vietnam Sustainable Construction Forum 2026 (VSCF 2026), Coteccons Construction Joint Stock Company (HOSE: CTD) was honored among the Top 17 Pioneering Enterprises for Sustainable Development in Vietnam’s Construction Industry in the construction contractor category.

Ho Chi Minh City, July 8, 2026 – Within the framework of Solar & Storage Live Vietnam 2026, Ms. Nguyen Trinh Thuy Trang, Deputy CEO of Coteccons, participated in the panel discussion titled “Not Green, Not Filled: The New Rules of Vietnam’s Real Estate Market.”

On July 6, 2026, Coteccons was once again recognized as a company meeting the 2026 Information Disclosure Standards under the IR Awards, marking the sixth consecutive year that the Company has fully complied with the stringent information disclosure requirements of Vietnam's stock market.