User blog comment:Bronzey/Details of apparent next ME2 DLC pack - "Arrival"/@comment-730941-20110222051828

I've just seen some updated information for the other two trophies:

"The Ultimate Sacrifice

Complete the Arrival DLC

Last Stand

Survive all five waves in the battle for Object Rho

Covert Action

Rescuee Dr. Amanda Kenson without attracting hostile attention."