EXO-K is a South Korean boy band, consist of 6 members. They are part of EXO which is separated into 2 groups. EXO-K and EXO-M, EXO-K is promoting in Korean while EXO-M is promoting in China. Together they are EXO.

EXO-K has six members: Suho, Baekhyun, Chanyeol, D.O., Kai and Sehun. They are under the management of SM Entertainment. Before they debuted. SM released 23 teasers featuring all of the members.  Amongst all if the members, Kai appeared in 12 teasers. 

Before Debut, 3 members from EXO-K: Chanyeol, Suho and Kai made their appearance in TVXQ's song HaHaHa when they are still trainees. Some members trained for a long period of time before they debuted. Suho being the longest trainee, trained for 7 years. Kai trained for 5 years. Chanyeol and Sehun trained for about 4 years. D.O. trained for only 2 years. And Baekhyun trained for the shortest time; 1 year.

Four members; Kai, Sehun, Chanyeol and Baekhyun, appeared in TaeTiSeo's debut single TWINKLE. Chanyeol appeared on Girl's Generation Japanese Single GENIE.