What company distributed  a South Korean girl group composed of nine members, who released  the fourth extended play on May 15, 2017?
Signal (EP):  The EP was released digitally and physically on May 15, 2017 by JYP Entertainment and distributed by Genie Music. Twice (band):  The group is composed of nine members: Nayeon, Jeongyeon, Momo, Sana, Jihyo, Mina, Dahyun, Chaeyoung, and Tzuyu.
Genie Music