[5] On July 22, 2019, Cube Entertainment announced that Yan An would not be able to participate in Pentagon's 2019 world tour, "Prism", for medical reasons.

[8] On October 9, 2023, it was announced that he had left Cube Entertainment alongside fellow Pentagon members Yeo One, Kino, Yuto, and Wooseok.

[10] In 2018, Yan An participated in the Chinese reality television show Chao Yin Zhan Ji as a contestant.

[11] Yan An officially made his acting debut in the 2021 Chinese television series Use for My Talent where he played the role of Shi Junjie.

[16] In March 2024, Yan An joined the cast of Hidden Shadow alongside Li Hongyi and Wang Churan where he played the role of Hua Rongjian.