C.6.1- All "at end of combat" abilities trigger and are placed on the stack, then the current player receives priority to play spells and abilities. [CompRules 1999/04/23]
C.6.Ruling.1- If a creature is removed from the combat but is still in play, all "at end of combat" abilities that would affect that creature will still happen. [D'Angelo 1999/05/01]
Note- Remember to check for mana burn at the end of this step because it is the end of the phase. See Rule P.4.2.