SHINee's Key shared how EXO brought a big financial gain to SM Entertainment.

SM artists BoA, Key, Baekhyun, Sehun, Taeyong, and Jaehyun recently got together and recorded for KBS2's 'Happy Together 4'.
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The show recording took place at the SM building in Cheongdam-dong. During the talk, Key stated, "This Cheongdam building here was built by EXO's 'Growl.'" He brought more laughter as he claimed, "SHINee's 'Ring Ding Dong' built about 4 elevators here."
The full episode of 'Happy Together 4' with the SM artists will be airing on November 8.

LOL Key. why you troll your own group? hahah I love the SM groups being playful to each other.