2NE1 (also known as 2NE1 1st Mini Album) is the self-titled debut extended play (EP) by South Korean girl group 2NE1, released by YG Entertainment on July 8, 2009.

All three singles achieved success on the South Korean charts, with "I Don't Care" winning Song of the Year at the 2009 Mnet Asian Music Awards.

In 2014, Star News recognized 2NE1's debut EP as one of the most successful digital albums in South Korean history.

The song was created for LG Cyon to promote their Lollipop phone, and it was a joint release with Big Bang; the commercial/music video debuted on March 28, 2009.

[11] "I Don't Care" was the third single from 2NE1, co-produced by Teddy and YG's newly signed rising producer Kush.

Soon after its release, the music video was also profiled in Perez Hilton's blog who declared them his "favorite" Korean girl-group.

It recorded over 50,000 pre-orders within a week—a high amount for a rookie group at the time,[13] and sold over 80,000 copies within two weeks after its release.

In January 2014, Star News named the record the second-most successful digital album released in South Korea since 2004, tied with SG Wannabe's Saldaga (2005) and Big Bang's Stand Up (2008).