Tate was never on Mai Otome.

Kraco:

Remember Mai Otome is licensed, so don't expect a sub from the previous normal groups.
And and I didn't see anything bad with this NDK one.

From Doremi-Otome section of Mai Otome:

Update 9-01-2007

-[NDK].Mai-Otome.Zwei.04.[91F34730].avi (9-01-2007)

Zwei licensed by Bandai. Go buy the DVDs when they come out.