Bloombergs confirm the above post saying that the bid has been withdrawn because the regulatory review process was taking too long.
A Macquarie spokewoman was quoted, "There's been no decision against it, but the process just kept dragging on and it's a very small acquisition from our perspective."
I suspect that SWAC have bowed to the inevitable in that the proposed sale would probably have been blocked following the enquiry.
I think it is a great shame because I could see Macquarie/Ferrovial doing great things for EXT. Let’s hope that whoever does buy the airport is of a similarly proven stature.