From the EQ2 Forums:
As we get ready for the winter holiday, we’re offering 100% BONUS EXPERIENCE to our All-Access members starting at 12:01AM PST (midnight) on Friday, December 18 and running until 11:59AM PST (noon) on Monday, December 21, 2015.
The Bonus XP will be available for All Access members on ALL servers. This includes our players on Time-Locked Expansion servers.
Not currently an All-Access member? Now’s the time to sign up!
NOTE: It seems that XP bonuses on the TLE servers are capped at 40%.