Gaon Singles Chart
EXID released their first single "Whoz That Girl" from the digital single album "Holla", on February 16, 2012. They made their debut performance on "M! Countdown", and then performed on "Music Core" and "Inkigayo". Their debut song "Whoz That Girl" peaked at number 36 on the Gaon Singles Chart and ultimately sold 840,000 digital copies.