Luhan is second to quit K-pop band, EXO, Entertainment News - AsiaOne
Luhan and Kris accept mediation agreement with SM Entertainment
What happened to Luhan and Kris in EXO? Why are they not part of the group anymore? - Quora
Why and when did Kris Wu leave SM entertainment? Is he still considered a global star? - Quora
Lay Zhang (EXO) announces he is leaving SM Entertainment in a handwritten statement : r/kpop
SM Entertainment - Wikipedia
7 Times SM Entertainment Got Into Legal Battles With Its Artists - Koreaboo
How did K-Pop idols fare after leaving their company?
Is Lay Zhang Still a Member of EXO? K-Pop Star Leaves SM Entertainment
SM Settles Lawsuits With Kris and Luhan; Contracts Till 2022
EXODUS Members SME Contract to Be Valid Until 2022