PVC: Notice of record date for a ballot

1. Issuer: Drilling Mud Corporation
2. Stock code: PVC
3. Stock type: Common stock
4. Par value: 10,000
5. Record date: 06/01/2016
6. Ex-date: 05/01/2016
7. Reasons:
     * For a ballot:
          - Exercise rate: 01 share – 01 voting right
          - Content of the ballot: Change in operating plan of year 2015 
          - Expected exercise date: 14/01/2016
         - Exercise place: Head Office, Drilling Mud Corporation, Floor 6, Vietnam Petroleum Institute, No. 167 Trung Kinh Street, Yen Hoa Ward, Cau Giay, Hanoi

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