I rang today with some questions, waiting for call back, my...

I rang today with some questions, waiting for call back, my concerns are will min need to keep offer open any longer (no doubt will be over 80%)!! I was worried offer may abruptly close leaving us without a choice of accepting, so stuck with our shares which may not be worth what we would think. To end offer min needs to apply to asx and it takes three days. So I guess it gives us time to make decisions. Its disappointing