In the 1990s, it acquired seven banks: First Los Angeles Bank (1995), Ventura County National Bank (1997), Frontier Bank (1997), Riverside National Bank (1997), Harbor Bank (1998), North American Trust Company (1998), and American Pacific State Bank (1999). In 2000, the bank expanded into Northern California in with the purchase of The Pacific Bank, followed by the acquisition of the Oakland-based Civic BanCorp in 2002. It had also acquired The Pacific Bank in 2000 as well as Reed, Conner & Birdwell and the People's Bank of California in 2001.