Does premium membership stack?

[Lightlender]

Like, I have it for a year, but I want the costume on another character. If I got it again, would it add more time to the duration or should I wait until it runs out?

[Els]

13 hours ago, Lightlender said:

Like, I have it for a year, but I want the costume on another character. If I got it again, would it add more time to the duration or should I wait until it runs out?

It will add up, I had 3 months (from founder pack), bought the 1 year and it added up.