I can personally confirm this. I came from a storm and was paying for the $45 plan due to the company BES. This morning, I mentioned how the switch to Droid would save $15/month. The store rep told me that I still needed the $45 plan if I intended to use active sync with exchange. I told him it was my understanding that if I was on a family plan I would only be required to pay $30/month and told him to put me on the $30 plan. I got home and had absolutely no problem syncing mail, calendar and contacts with my company exchange server. You do not need the $45 plan.