Eastern Water Resources Development and Management Public Company Limited to inform The Stock Exchange of Thailand that Adm. Sucheep Whoungmaitree, Adm. Pichet Tanaset, and Mr. Surapat Malai, the Company's directors, will resign from their directorships effective November 1, 2023.

In addition, Mr. Surapat Malai, a member of the audit committee, has resigned from the directorship due to his other business engagement.