boosted item drop in 1up trials also?

[MattMattic]

Four event missions will appear during the 1Up Platinum Cup. In the fourth week, all four missions will be available simultaneously. Players can gain an amazing 250% of normal experience from these event missions! The item drop rates will also be boosted by 20%.
source:

http://phantasystaruniverse.jp/event/1upcup2007_en/mission.html