Searching on "IPEX + Adobe" on Twitter finds just enquiries as to what might be happening. There is nothing from Adobe about IPEX. I seem to find more on four years ago.
Probably next week the Adobe concern will be on Google. Twitter finds this take on the I/O event and the prospects for Flash on a mobile device.
Apple of course will not be at IPEX at all. They were not at drupa. The context for hard copy is a challenge.