NIS: Hai Hoa Investment JSC bought and sold 109,000 shares

Network Infranstructure Services Joint Stock Company (HNX: NIS) announces the trading result of connected institution as follows:

- Name of issuer: Network Infranstructure Services Joint Stock Company

- Stock code: NIS

- Name of trading institution: Hai Hoa Investment Joint Stock Company

- Securities type: Common stock

- Number of shares held by registered shareholder: 69,600 shares

- Number of shares disposed: 80,300 shares

- Number of shares acquired: 28,700 shares

- Total holding following transaction and percentage holding following: 18,000 shares

- Date of transaction: From 21/12/2010 to 25/02/2011.

hnx

>   MIC: Trang My JSC bought 175,000 rights (05/03/2011)

>   CVT: Result of transactions of Directors, PDMR. (Mr. Chinh) (05/03/2011)

>   CVT: Result of transactions of Directors, PDMR. (Mr. Linh) (05/03/2011)

>   PRC: Manager registered to buy 20,000 shares (05/03/2011)

>   KBT: Mr. Nguyen Xuan Manh sold 40,000 shares (08/03/2011)

>   KBT: Mr. Le Quoc Van sold 20,000 shares (05/03/2011)

>   LCS: Manager registered to sell 180,600 shares (05/03/2011)

>   CTM: Deputy General Manager sold 7,300 shares (05/03/2011)

>   CTA: Mr. Hung registered to buy and sell 1,000,000 shares (05/03/2011)

>   S55: Manager bought 10,000 shares (04/03/2011)