ANNOUNCEMENT OF NATIONAL DAY HOLIDAY September 2, 2026

NATIONAL DAY HOLIDAY ANNOUNCEMENT September 2, 2026

EUCHEM GLOBAL GROUP JOINT STOCK COMPANY respectfully announces to our Customers, Partners and all employees the National Day holiday schedule for September 2, 2026 as follows: after:

• Close time: From Monday, day August 31, 2026 to the end of Wednesday, day September 2, 2026.
• Return to work time: Thursday, day September 3, 2026.

Wish our Customers, Partners and all employees a happy and meaningful holiday meaning.

Sincerely,