Rookie Award On 14 July it was announced that EXO has won 2012 Best Rookie Award of Japan s Tower Records K Pop Lovers Award Tower Records is the largest music store in Japan Japan s Tower Records reported the results which combines internet users vote and album sales in Japan from January of this year till June Their debut album MAMA recorded over 100 000 copies sales in just two months The grand total of the album placed the group to become the biggest selling rookie in 2012 so far