LETTER OF INVITATION

To Whom It May Concern

Vietnam Airlines Corporation - Joint Stock Company (VNA) firstly would like to express warm greetings to your company!

VNA cordially invite your company to participate in the bidding package "Implementation of the Customer Data Platform - CDP system from August 2026 to July 2031."

Detailed service requirements are outlined in the Request for Proposal (RFP). RFP issuance period: from 02:00 PM (Hanoi time) on January 05, 2026 to 3:00 PM (Hanoi time) on January 29, 2026.

Please submit your proposal documents to the following address: 

− Digital Marketing Department - Vietnam Airlines Corporation - Joint Stock Company.

− Address: 200 Nguyen Son Street, Bo De Ward, Hanoi City, Vietnam.

− Contact person: Mr. Duong Hanh Phuc

− Phone: (84) 903496363.

− Email: phucdh@vietnamairlines.com.

Deadline for submission of proposals: No later than 09:00 AM (Hanoi time) on February 05, 2026.

(Original Deadline for submission of proposals: No later than 4:00 PM (Hanoi time) on January 29, 2026)

Thank you for your cooperation. We look forward to hearing back from you.

Your Sincerely.