Announcement auction - PETROVIETNAM GENERAL SERVICES CORPORATION

The name of the Share Ownership Company

VIETNAM NATIONAL INDUSTRY - ENERGY GROUP

The name of the Auction Issuer

PETROVIETNAM GENERAL SERVICES CORPORATION

Address

6th Floor, PetroVietnam Building, 1–5 Le Duan Street, Saigon Ward, Ho Chi Minh City

Business line

Wholesale of electronic equipment and components, telecommunications: trading in telecommunications equipment

Chartered capital

1,073,348,310,000 VND

Par value

10,000 VND/share

Beginning price

36,500 VND/ share

Minimum number of shares to buy

100 shares

Maximum number of shares to buy

24,916,934 shares

Number of shares for foreigners

0 share

An auction method

Each investor is given an Auction Form and can only write a maximum of one (01) purchase price on the Auction Form; The purchase price must be a multiple of 100 VND; The minimum purchase volume is 100 shares and placed in multiples of 1 share; The total purchase volume at all prices is equal to the number of registered shares.

Step price: 100 VND

Volume step: 1 share

Registration time and place

+ Time: From 08:00 am on November 17^th, 2025 to 4:00 pm on December 3^rd, 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 08:00 am on November 17^th, 2025 to 4:00 pm on December 3^rd, 2025

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

Time and place to submit the Auction slip

+ Time: Before 3:00 pm on December 9^th, 2025
+ Place: Drop Auction 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 December 11^th, 2025

+ Place: HoChiMinh Stock Exchange (No. 16 Vo Van Kiet, Sai Gon Ward, Ho Chi Minh City).

Time for deposit to buy shares

From December 12^th, 2025 to December 18^th, 2025

Time for refund the deposit

From December 12^th, 2025 to December 18^th, 2025