Lookout Records helped release Kerplunk.
Lookout !. Records was an independent record label , initially based in Laytonville , California and later in Berkeley , focusing on punk rock .. punk rock. punk rock. independent record label. independent record label. Berkeley. Berkeley, California. punk. punk rock. Established in 1987 , the label is best known for having released the seminal album of Operation Ivy and the first two albums by diamond-selling punk artists Green Day and for having pioneered the American punk sound of the 1990s .. Operation Ivy. Operation Ivy ( band ). Green Day. Green Day. punk. punk rock. Following the departure of co-founder Larry Livermore in 1997 , new ownership took the company in new sonic directions from its trademark `` East Bay sound '' but proved unable to match the label 's early success .. Larry Livermore. Larry Livermore. In 2005 the label ran into financial difficulties after several high-profile artists rescinded the rights to their Lookout !. Records material .. After a period of rapid contraction the label slowly expired , terminating operations and removing its music from online distribution channels early in 2012 .