Complex sentence: Following his signing to the label, he released his first EP, titled "Finders Keepers" on July 14,2009, after that, he released his first official independent album, titled "Ready, Fire, Aim!" on September 28,2010.
Split into simpler sentences: Following his signing, he released his first extended play (EP), titled "Finders Keepers" on July 14,2009. He then released his first official independent album, titled "Ready, Fire, Aim!" on September 28,2010.