WHA Corporation Public Company Limited at its board of directors' meeting No. 4/2021 held on April 26, 2021, approved to acknowledge that Somsak Pratomsrimek who holds the position of independent director, audit committee member and risk management committee member of the company, had resigned from the position of the independent director and other positions in the said sub-committees, due to his other importance engagement, and in order to be comply with the corporate governance principles which stipulates that the tenure of an independent director should not exceed a cumulative term of 9 years, with effect on April 26, 2021; to acknowledge that Krailuck Asawachatroj who holds the position of executive director of the company, had resigned from the position of executive director, in order to allow a proportion of the executive directors and independent directors in the board of directors to be comply with the corporate governance principles, with effect on April 26, 2021; and to approve the appointment of Chakkrit Parapuntakul who holds the position of independent director of the company as the audit committee member, with effect on April 26, 2021.