We don't have a plan extending as far as a year, so I just can't say.
However, if WebGL becomes widely supported and the Web Apps standard keeps progressing, I'm wondering if we'll need an EXE exporter at all. If C2 games are running with a hardware accelerated WebGL view complete with shaders, using javascript engines that are compiled to machine code and using the new Web Audio API for reliable audio with effects... what need is there for an EXE exporter?
Most likely we will not need an exe exporter. I would bet that everything will be web apps. Correct me if I a wrong but isn't windows 8 mostly going to be web apps. In addition there is the chrome store for google devices