Announcement auction - PETROVIETNAM TRADE AND SERVICES JOINT STOCK COMPANY

The name of the Share Ownership Company

VIETNAM NATIONAL INDUSTRY – ENERGY GROUP

The name of the Auction Issuer

PETROVIETNAM TRADE AND SERVICES JOINT STOCK COMPANY

Address

1st Floor, PetroVietnam Tower, 18 Lang Ha, Giang Vo Ward, Hanoi City

Business line

Training services, event organization services, commercial cooperation

Chartered capital

300,000,000,000 VND

Par value

10,000 VND/share

Beginning price

9,300 VND/share

Number of shares for a lot auction

10,500,000 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 02 (two) purchase prices; the minimum purchase volume for each price is 100 shares and is placed in multiples of 100; 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 October 24ᵗʰ, 2025 to 3:30 PM on November 13ᵗʰ, 2025

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

1, 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

2, 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

3, 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

4, 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

5, 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 October 24ᵗʰ, 2025 to 3:30 PM on November 13ᵗʰ, 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 November 18ᵗʰ, 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: 9:00 am on November 20ᵗʰ, 2025

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

Time for deposit to buy shares

From November 20ᵗʰ, 2025 to November 26ᵗʰ, 2025

Time for refund the deposit

From November 20ᵗʰ, 2025 to November 26ᵗʰ, 2025