PacWest Bancorp is a bank holding company. The Company�s principal business is to serve as the holding company for its wholly-owned banking subsidiary, Pacific Western Bank (the Bank). The Bank is a full-service commercial bank offering a range of banking products and services, including accepting demand, money market, and time deposits; originating loans, including commercial, real estate construction, Small Business Administration (SBA)-guaranteed and consumer loans; originating equipment finance leases; and providing other business-oriented products. In September 2012, the Company�s subsidiary, Pacific Western Bank sold 10 branches to Opus Bank. In June 2013, the Company announced the completion of Acquisition of First California Financial Group.