SDE: Change in shareholding of principal shareholder (Williem Stuive)

1. Name of issuer:  Song Da Electrical Engineering JSC
2. Stock code: NAG
3. Securities type: Common stock
4. Name of principal shareholder: Williem Stuive
5. Number of shares held by the principal shareholder before transaction:  100,500 shares
6. Number of shares acquired: 6,600 shares
7. Total holding following transaction: 107,100 shares
8. Date of transaction: 31/05/2013.

HNX

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