I have similar issue as well. I tried to pre-order The Division 2 and it show that i need to pay using USD instead of SGD during the checkout in Ubisoft SEA Store. I also from SEA region (Malaysia) as well.
I already submitted a ticket for the issue in Support earlier today. Support ticket : 08195528
Thanks~
Hi Toileterror! I can see that your ticket is currently showing as open at the moment. I have passed your ticket on to the proper team for investigation.
If anyone else is continuing to have this issue, please submit a ticket with a screenshot.
Sorry to hear you're having troubles. As UbiSailorScout said, if you are continuing to have this issue, please submit a ticket with a screenshot.