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On March 15, EXID′s agency Banana Culture Entertainment revealed, "EXID will be releasing a new album in April." However, they explained that the group will release the new album with only 4 members LE, Jung Hwa, Hani and Hye Rin.
Previously, Sol Ji took a break from activities after being diagnosed with hyperthyroidism in December 2016.
She is currently receiving treatment and still recovering. A representative of their agency continued, "Sol Ji will not promote, but there is a chance that she will record a song."