Originally Posted by Airframe
When I tried to reserve seats 77A+B on upcoming award flight I was told that I could not as they were emergency exit seats and can only be allocated at check-in. Is this correct
It has always been possible

to pre-allocate these seats. Haven't flown WBC recently so others will have a more definitive answer.
[Added a bit later]Hmmm, checked some seat maps about 90 days ahead and the 77 row shows up all seats as 'R'. Wonder if my memory made the past better than it actually was...