First Name: So Jeong
Family Name: Chu
Also Known as: 추소정;Chu So Jung;
Nationality: South Korean
Gender: Female
Born: November 6, 1995

Chu So Jeong, known as her stage name Exy, is a leader of South Korean girl group Cosmic Girls (WJSN). She was also part of Unpretty Rapstar Vol. 2 in the second half of the survival show. Despite being young she is a mature rapper and she recently released a track with Crucial Star.