They're not. They haven't even been agreed upon yet, but clearly they're not stopping the SEC move.
"But (TAMU pres.) Loftin's feel for the pulse of the situation is strong enough that he suggested a mutual strategy to (MU Chancellor) Deaton in the event MU does go.
Referring to departure terms and fees and adding that the Big 12 twice has canceled meetings on that matter with A&M, he said, "Why have two separate negotiations going on at once? ... So I told Brady if you're going to do it, let's get our attorneys together and make sure that we have a common platform for discussions here with the Big 12 because it would make no sense for us to independently try to negotiate a settlement."
A&M sees parallels with Mizzou
And according to Mike DeArmond at the KC Star, MU has other plans for the money:
@sptwri Mike DeArmond
Also have been told to expect quick stadium upgrade in neighborhood of $30 million.
We can argue back and forth about whether the full exit fee amount should be paid, but I haven't read any source that says that it will. I'm still thinking it will be more than NU or CU, but not substantially so.