This is to inform you that our technical team will perform a critical server upgrade to enhance system performance and security.

Maintenance Window:

• Start: December 13, 2025, at 08:00 (SGT - Singapore Time)

• End: December 14, 2025, at 08:00 (SGT - Singapore Time)

Impact:
During this period, all system services will be unavailable. This includes but is not limited to website access, application interfaces, and backend administration functions.

Recommendations:
Please plan your work accordingly and ensure any critical operations are completed before the maintenance begins. We also advise saving your work and logging out of the system prior to the downtime.

We apologize for any inconvenience this necessary maintenance may cause and appreciate your understanding as we work to improve our services.

Should you have any urgent inquiries, please contact [service@wiserpub.com] before the maintenance window begins.