The only thing that we've heard (as of late) about EA and any sort of rats came from a recent twitter discussion (below). The conversation didn't specify if these rats were Sir Edward and Basil.
The last twitter post we saw of the rats was in October 2011: "Found Fishy, spying on the rats, typing a FishForce manifesto, and playing w/ the Ouija board. Should I be wor… (cont)"
Rats have approximate life spans of 2-3 years.