Announcement auction - HUA NA HYDROPOWER JOINT STOCK COMPANY

The name of the Share Ownership Company

VIETNAM MACHINERY INSTALLATION CORPORATION

The name of the Auction Issuer

HUA NA HYDROPOWER JOINT STOCK COMPANY

Address

9^th floor, Nghe An Petroleum Building, No. 7 Quang Trung, Quang Trung Ward, Vinh City, Nghe An

Business line

Electricity production and trading activities, ...

Chartered capital

2,352,322,100,000 VND

Par value

10,000 VND/share

Beginning price

34,400 VND/share

Number of shares for a lot auction

8,720,027 share

Number of shares for foreigners

8,720,027 share

An auction method

Each investor is given one Auction Participation Form and can only record a maximum of 02 (two) purchase prices; the minimum purchase volume for each price is 100 shares and is placed in multiples of 100 (except in the case of registering to buy all the shares offered); the total purchase volume of all prices must be equal to the number of registered shares.

Step price: 100 VND

Registration time and place

+ Time: From 08:30 am June 07^th, 2025 to 3:30 pm on June 26^th, 2025

+ Place: At Branches/ Trading Offices of PHS, detail as follow:

1. Phu My Hung Trading Offices

CR2-08 Building, 107 Ton Dat Tien, Tan Phu Ward, District 7, HCMC.

Phone: (+84 28) 5413 5478 Fax: (+84 28) 5413 5473

2. Tan Binh Branch

Park Legend Building, 251 Hoang Van Thu Street, Ward 02, Tan Binh District, HCMC.

Phone: (+84 28) 3813 2401 Fax: (+84 28) 3813 2415

3. District 3 Branch

4^th Floor, D&D Tower, 458 Nguyen Thi Minh Khai, Ward 2, District 3, HCMC.

Phone: (+84 28) 3820 8068 Fax: (+84 28) 3820 8206

4. District 1 Branch

Room 1003A, 10th Floor, Ruby Building, 81-83-83B-85 Ham Nghi, Nguyen Thai Binh Ward, District 1, HCMC.

Phone: (+84 28) 3535 6060 Fax: (+84 28) 3535 2912

5. Thanh Xuan Branch

5^th Floor, UDIC Complex Building, N04 Hoang Dao Thuy, Trung Hoa Ward, Cau Giay District, Hanoi.

Phone: (+84 24) 6250 9999 Fax: (+84 24) 6250 6666

6. Hai Phong Branch

2^nd Floor, Eliteco Building, 18 Tran Hung Dao, Hong Bang District, Hai Phong.

Phone: (+84 225) 384 1810 Fax: (+84 225) 384 1801

Time of deposit

+ Time: From 08:30 am June 07^th, 2025 to 3:30 pm on June 26^th, 2025

+ Customer transfer deposit (10% of the total value of shares registered for competitive offering at a beginning price in VND) to an account specified in the competitive offering regulations.

Time and place to submit the Auction slip

+ Time: Before 4:00 pm on July 01^st, 2025
+ Place: Drop Competitive offering slip directly into the box at the PHS branches/transaction offices mentioned above.

Note: Auction slip must be sealed in a sealed envelope and signed by the customer's signature on the sealing edge.

Time and place for Auction

+ Time: 09:00 am on July 03^rd, 2025

+ Place: Hanoi Stock Exchange (No. 2 Phan Chu Trinh, Trang Tien Ward, Hoan Kiem District, Hanoi City).

Time for deposit to buy shares

From July 03^rd, 2025 to 04:00 pm July 09^th, 2025

Time for refund the deposit

From July 04^th, 2025 to July 09^th, 2025