INVITATION TO BID

To whom it may concern,

Vietnam National Industrial-Energy Group (Petrovietnam) is pleased to invite your

esteemed companies to participate in the Vietnam Bid Round (VBR) 2025 for open

blocks, offshore Vietnam. Based on the preferential policy and innovation in

Vietnam’s Petroleum Law, this is the occasion to identify investment opportunities

for oil and gas exploration and production in Vietnam’s potential blocks.

• Key Information about the VBR 2025:

- Scope of Bidding: Open blocks, offshore Vietnam, including (i) Block 17

(Cuu Long Basin) and (ii) Blocks 10/11 and 10&11-1 (Nam Con Son Basin).

Data Review and Registration:

From 09:00 am on April 15, 2025 to

16:00 pm on May, 30, 2025 (during working hours).

- Bid Document Issuance:

From 09:00 am on June 02, 2025 to 12:00 am on

June, 20, 2025 (during working hours).

Deadline for Bid Submission

16:00 on August, 01, 2025

(Hanoi Time).

Bidding Method

: Open Tender.

• Registration Instructions:

Interested partners are requested to submit an Expression of Interest (EOI)

to the following address:

Vietnam National Industrial-Energy Group (Petrovietnam)

(Add: 18 Lang Ha, Ba Dinh, Hanoi, Vietnam)

Attn.:

Dr. Trinh Xuan Cuong

General Manager

Exploration Division

Email: cuongtx@pvn.vn

Tel: + 84 24 3825 2526 (ext 6601)

Fax: + 84 24 3826 5942

Upon receiving the EOI, we will provide the relevant documents and detailed

guidelines for participation in the bidding process.

We look forward to your interest and participation.