Song Da 4 announced appointment of Luu Van Thuan as a Non Executive Director. The effective date is May 10, 2013. Ms. Pham Cao Thanh, economic bachelor has been appointed Chief of Supervisory Board in place of Mr. Nguyen Hai Son.

Ms. Luu Van Thuan, irrigation engineer has been appointed Member of Supervisory Board in place of Mr. Vu Quang Khai.