From the email I just got:
You are one of our most active and valued high level players and we know you have been waiting patiently for Game Update 1.2: Legacy. To show our appreciation, check out all the great new features this update has to offer-on us. We will be adding an additional 30 days of game time to your account at no charge*. The free 30 days will appear on your account by April 24, 11:59PM CDT, April 25, 4:59AM GMT.