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: Tia Sang Battery Joint Stock Company

- Stock code: TSB

- Reason: profit after tax in the audited financial statement FY 2012 is negative (-VND29,644,448,847)

- Effective date: 14/03/2013

Alert period ends when Tia Sang Battery Joint Stock Company overcomes current situation.