Exo from Exoplanet #1 – The Lost Planet is the first solo concert tour of Chinese-South Korean boy band Exo. The tour was officially announced on April 7, 2014 with tickets going on sale on April 16, 2014. The Lost Planet tour began in Seoul's Olympic Gymnastics Arena on May 23, 2014.
The Lost Planet tour was originally announced to have two concerts in Seoul with tickets for the two concerts selling out in 1.47 seconds. Due to the explosive response from fans, a third concert date was added for Seoul.
Many SM artists and other Korean and Chinese celebrities attended EXO's first solo concert tour in Seoul. Those showing their support for the group included SHINee's Minho and Taemin, f(x)'s Victoria and Amber, Super Junior's Donghae, Ryeowook, and Siwon, Hong Soo Hyun, Seo Kang Jun, Park Min Woo, Song Ga Yeon, Vixx's N and Ravi, Miss A's Fei and Jia, and Kara's Nicole.
One June 4, 2014, during the second concert of Exo from Exoplanet #1 – The Lost Planet, there was a stage incident during the song 'Angel' involving member D.O.. A system malfunction occurred with the wiring that was responsible for lifting D.O.'s flying stage, sending two fans to the hospital. EXO released apologies and concern for the two fans immediately following the concert. D.O. and Suho also went to the hospital to visit with the fans. S.M. Entertainment also released an official explanation and apology for the incident and confirmed that they would pay for the medical expenses for the two injured fans.