Announcement auction - VNSTEEL - VICASA JOINT STOCK COMPANY

The name of the Share Ownership Company

VIET NAM STEEL CORPORATION

The name of the Auction Issuer

VNSTEEL - VICASA JOINT STOCK COMPANY

Address

Bien Hoa 1 Industrial Park, Street No. 9, Tran Bien Ward, Dong Nai Province, Vietnam

Business line

Manufacturing of rolled steel and steel billets

Chartered capital

151,873,220,000 VND

Par value

10,000 VND/share

Beginning price

126,261,281,250 VND/share lot

Number of shares for a lot auction

9,871,875 shares (01 lot of shares)

Number of shares for foreigners

0 shares

An auction method

Each investor is given one Auction Participation Form and can only record a maximum of 01 (one) purchase prices for the entire share lot.

Step price: 1,000,000 VND

Registration time and place

+ Time: From September 09ᵗʰ, 2025 to 3:30 PM on September 30ᵗʰ, 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, HCMC,

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

2, Tan Binh Branch

Park Legend Building, 251 Hoang Van Thu Street, Tan Son Hoa Ward, 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, Ban Co Ward, 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, Sai Gon Ward, 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, Thanh Xuan Ward, 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 Ward, Hai Phong,

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

Time of deposit

+ Time: From September 09ᵗʰ, 2025 to 3:30 PM on September 30ᵗʰ, 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: No later than 4:00 PM on October 03^rd, 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 October 07ᵗʰ, 2025

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

Time for deposit to buy shares

From October 07ᵗʰ, 2025 to October 13ᵗʰ, 2025

Time for refund the deposit

From October 07ᵗʰ, 2025 to October 13ᵗʰ, 2025