The Head of Supervisor Committee registered to sell 2000 shares on 20/04/2020

Full name: Nguyen Tu Luc

Title: Head of Supervisor

No. of shares holding before transaction: 4,000 shares (0.006%)

No. of registered shares to sell: 2,000 shares (0.003%)

No. of remaining shares: 2,000 shares

Duration of transaction: 23/04 – 22/05/2020.