The defender signed for Leicester in a €20m deal over the weekend.
Back in Portugal, Pereira told Porto's fans: "It was a fantastic group, a family, and I think we managed to do well (winning the league). It's not always easy, but I think it was notorious for everyone that we were a real family and that was seen on the field. It's a huge pride to conquer this league, it is for something like that you work all your life.
"I dedicate this trophy to my family, in the first place, because they're always with me, my friends who accompanied me in good and bad times, this fantastic group and also to the fans."
It's also been revealed Porto will be due another €5m from Leicester if Pereira meets certain targets.