Postal ballot

- Execution rate: 1 share - 1 voting right
- Execution time: August 2025 tentatively. The official time will be later decided and announced on the Company's website, and postal ballot shall be executed as regulated.
- Execution venue: Business location of Tan Hoa Water Supply Joint stock company - No. 95 Pham Huu Chi, Cho Lon Ward, Ho Chi Minh City (Old number: 95 Pham Huu Chi, Ward 12, District 5, Ho Chi Minh City).
- Content:
 + Report on Contract No. 1463/HD-TCT-KDDVKH dated March 18, 2025 on periodic water meter replacement in 2025 signed between Tan Hoa Water Supply Joint Stock Company and Saigon Water Supply Corporation - One-member limited liability (an organization with 4 capital-contributing representatives participating in the Board of Directors).
+ Authorizing the Company's Director to sign the draft Appendix to the contract for periodic water meter replacement in 2025 under Contract No. 1463/HD-TCT-KDDVKH dated March 18, 2025 and the draft Contract for periodic water meter replacement in 2026.
+ Authorizing the Company's Director to sign the draft contract for periodic water meter replacement in 2026
+ Other issues within the authority of the General Meeting.
Coordination details and procedures for corporate action processing for holders of the above securities between VSDC, the Securities registering institution and depository members are specified in the Guideline on corporate action processing for securities holders at VSDC.