Member composition, establishment time, musical works.

1. Member composition: Leroy Seven NEXT is composed of seven members, Zhu Zhengting, Fan Chengcheng, Huang Minghao (Justin), Bi Wenjun, Ding Zeren, Li Quanzhe, and Huang Xinchun, while NINEPERCENT is composed of captain and C-position Cai Xukun, member It consists of nine members: Chen Linong, Fan Chengcheng, Huang Minghao (Justin), Lin Yanjun, Zhu Zhengting, Wang Ziyi, Xiaogui (Wang Linkai), and You Changjing.

2. Establishment date: Leroy Seven NEXT began to participate in the iQiyi idol boy group competition in the development reality show "Idol Producer" in January 2018, and launched the group's debut on June 21 The first volume of the music album "THEFIRST" was released, thus officially debuting; and NINEPERCENT announced its official debut on April 6, 2018 through the iQiyi idol boy group competition and development reality show "Idol Producer".

3. Musical works: The musical works of Leroy Seven NEXT include the first and second series of "THEFIRST", while the musical works of NINEPERCENT include "TOTHENINES" and so on.