PSC: Change in holding of principal shareholders

Petrolimex Saigon Transportation and Service Joint Stock Company (HNX: PSC) announces change in the holding of principal shareholders as follows:

1. Name of principal shareholders: Ha Thanh Securities Joint Stock Company

2. Stock code: PSC

3. Number of shares held before transaction: 403,400 shares (8.4% of outstanding shares)

4. Number of shares acquired: 193,500 shares

5.  Number of shares held following transaction: 596,900 shares (12.44% of outstanding shares)

6. Date of transaction: 13/12/2010.

hnx

>   MAC: Information Disclosure Officer registered to sell 5,700 shares (20/12/2010)

>   CPC: Director registered to buy and sell 30,000 shares (20/12/2010)

>   CPC: Director sold 9,900 shares (20/12/2010)

>   TBX: Director registered to sell and buy 6,000 shares (20/12/2010)

>   DVD: Suspended a share issue (20/12/2010)

>   HLA: Mr. Bui Quang Hoi registered to buy 7,800 shares (20/12/2010)

>   PHR: Result of a share buyback (20/12/2010)

>   MCG: Announcement of listing & trading additional shares (20/12/2010)

>   PHT: PHT to buy back stock (20/12/2010)

>   TRA: Vietnam Azalea Fund Limited bought 187,110 shares (Revised on 08.Nov.2010) (20/12/2010)