Based on Regulations on securities margin trading issued on 30/08/2011 by the State Securities Commission, and the Official Correspondence guiding the determination of securities ineligible for margin trading issued on 05/10/2011 by the State Securities Commission, the Hanoi Stock Exchange announces the following stock ineligible for margin trading:

- Issuer: Wall Street Securities Company

- Securities type: common stock

- Stock code: WSS

- Reason for ineligibility for margin trading: profit after tax in the audited financial statement FY 2012 is negative

- Effective date: 04/04/2013