1. Name of issuer: Port Serco JSC
2. Stock code: PRC
3. Name of principal shareholder: ABC International Joint Stock Group
4. Securities type: Common stock
5. Number of shares held by the principal shareholder before transaction: 123,600 shares
6. Nature of transaction: Acquisition through negotiation or continuous order matching/ selling through negotiation or continuous order matching
7. Number of shares registered for acquisition: 166,400 shares
8. Number of shares registered for sale: 123,600 shares
9. Number of shares disposed: 0 share
10. Number of shares acquired: 20,000 shares
11. Total holding following transaction and total percentage holding following transaction: 143,600 shares
12. Purpose of transaction: Prices were not as expected
13. (Last) Date of transaction: From 22/05/2012 to 17/07/2012