http://www.e3expo.com/show-info/641/exhibitor-list/
It is Interesting to note Bioware is not present. However Crytek is as well as Rebellion which has worked on 2 Battlefront games.
What may be likely thougth is they may be showing off the kinect starwars game....(really whats the point a Move starwars game would be better then i would have to pertend i had a ligthsaber in my hand

But here are some screen shots The first shows Lucasarts is attending the second shows Crytek is attending and the final shows a lack of Bioware(as of this point) attending

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