Time out-end of regulation?

[hugheske44]

Partner had a strange situation, cant seem to find a rule that addresses this. You guys are great so here we go...

Tie game, 5 seconds left A1 dribbles up the court, shoots a three and is fouled in the act. Foul occurs at the same time as the time expires...partner reports foul gives shooter three shots with no one on the lane. Now heres my question...

Kid misses first shot, opposing teams coach requests a time out....do you grant it? He does have time outs available.

Heres what partner did...he granted the time out, but said he didnt know if it was right but couldnt think of a rule where coach couldnt use it though. What do you think??

Side note: kid made 1 of three free throws to win the game~~~