-        Stock code: NDN

-        Securities type: Common stock

-        Number of shares held by connected person before transaction: 56,112 shares

-        Name of person connected with a person discharging managerial responsibility (PDMR)/Director: Mai Thi Thi

-        Name of PDMR/Director in the listed company: Nguyen Quang Trung

-        Position in the listed company: Chair of the Board

-        Relation between connected person and PDMR/Director: Spouse

-        Number of shares held by person discharging managerial responsibility (PDMR)/Director: 689,136 shares

-        Number of shares registered for sale: 50,000 shares

-        Number of shares registered for acquisition: 250,000 shares

-        Number of shares disposed: 50,000 shares

-        Number of shares acquired: 250,000 shares

-        Total holding following transaction: 256,112 shares

-        Total percentage holding following transaction: 2.684049%

-        Start date of transaction: 24/04/2012

-        End date of transaction: 11/05/2012