—Transaction to create commercial bank with over $15 billion in assets— — CapitalSource shareholders will receive a fixed exchange ratio at closing, in a combination of $2.47 cash and 0.2837 shares of PACW stock — — Based on the PACW pre-announcement closing price, total consideration for each CapitalSource share would be $11.64 — — Two valuable franchises combine to create the 6 th largest publicly-owned bank headquartered in California — —Transaction valued at approximately $2.3 billion— LOS ANGELES, July 22, 2013 (GLOBE NEWSWIRE) -- PacWest Bancorp (Nasdaq:PACW) ("PacWest") and CapitalSource Inc. (NYSE:CSE) ("CapitalSource") today announced the signing of a definitive agreement and plan of merger (the "Agreement") whereby PacWest and CapitalSource will merge in a transaction valued at approximately $2.3 billion. The combined company will be called PacWest Bancorp and the combined subsidiary bank will be called Pacific Western Bank. The CapitalSource national lending operation will continue to do business under the name CapitalSource as a division of Pacific Western Bank. CapitalSource Inc., headquartered in Los Angeles, California, is the parent of CapitalSource Bank, a California Industrial Bank with approximately $8.7 billion in assets at June 30, 2013 and 21 branches located in southern and central California. In connection with the transaction, CapitalSource Bank will be merged into Pacific Western Bank, the Los Angeles-based wholly-owned subsidiary of PacWest Bancorp. Pacific Western Bank had $6.7 billion in assets at June 30, 2013 and 75 branches across ten California counties. The independent directors of PacWest and CapitalSource unanimously approved the transaction. Upon completion of the transaction, the combined company board will have thirteen directors, eight representatives from PacWest and five representatives from CapitalSource.