- Issuer: Drilling Mud Corporation

- Stock code: PVC

- Par value: VND 10,000

- Stock type: Common stock

- Record date: 26/09/2012

- Ex-date:

+ For T+3 transactions: 24/09/2012

- Reasons: seasoned issue

Information on share purchase rights of outstanding shareholders:

  + Stock type: no transfer restriction

+ Issue price : VND 10,000 per share

+ Rights allotment rate: 1 share – 1 right

+ Exercise rate: 100 : 35 (shareholders are entitled to buy 35 new share for every 100 rights they own. The number of shares each shareholder can buy is rounded down to unit digit). The odd shares and shares unsold will be determined by the Board of Directors in terms of price and subject of the offering.

+ Time for transfer of share purchase rights: from 08/10/2012 to 31/10/2012.

+ Time of registration for purchase: from 08/10/2012 to 05/11/2012

+ The owner of share purchase rights can transfer his rights once to another person through negotiation, The rights transferred can not be transferred to the third party.

+ Place: </P>

- For deposited shares: securities companies where shares of shareholders have been deposited.

- For undeposited shares: Drilling Mud Corporation on working days (from Monday to Saturday).

Securities certificate and Identification Card (original copy) are required. In case of authorization, a proxy with certified seal of the local authority is further requested.