YBC: Mr. Tuan registered to buy and sell 400,000 shares

Yen Bai Cement and Mineral Joint Stock Company (HNX: YBC) announces the trading result of principal shareholder as follows:

1. Name of issuer: Yen Bai Cement and Mineral Joint Stock Company

2. Stock code: YBC

3. Name of principal shareholder: Mr. Tran Ngoc Tuan

4. Securities type: Common stock

5. Number of shares held by the principal shareholder before transaction: 282,500 shares (5.84% of outstanding shares)

6. Nature of transaction: Acquisition and selling through negotiation or continuous order matching

7. Number of shares to be disposed: 200,000 shares

8. Number of shares to be acquired: 200,000 shares

9. Purpose of transaction: Increase shareholding

10. Expected total holding following transaction and total percentage holding following transaction: 282,500 shares (5.84% of outstanding shares)

11. Expected date of transaction: From 06/04/2011 to 03/06/2011.

hnx

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>   AGR: Violation of information disclosure of an inside trading (31/03/2011)

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>   CTI: Chairman of the BOD bought 200,000 shares (31/03/2011)

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>   DTL: Violation of information disclosure of an inside trading (31/03/2011)