Pursuant to Listing Regulations at the HNX attached to Decision No.324/QĐ-SGDHN dated 04/06/2010, HNX announces that the following stock has been put under alert:

- Issuer: TIEN SON Cement JSC

- Stock code: TSM

- Reason: profit after tax in the audited financial statement FY 2012 is negative (-VND7,683,609,545)

- Effective date: 19/03/2013

Alert period ends when TIEN SON Cement JSC overcomes current situation.