PacWest Bancorp (NASDAQ:PACW) Files An 8-K Regulation FD Disclosure

Item 7.01 Regulation FD Disclosure

Executive officers of PacWest Bancorp will make presentations to
institutional investors at various meetings during the months of
Mayand June. A copy of the presentation materials is attached as
Exhibit99.1 of this Form8-K. The presentation will also be
available on PacWest Bancorps website at www.pacwestbancorp.com
under the section entitled Presentations.

Item 8.01 Other Events

On April6, 2017, PacWest Bancorp (PacWest) and CU Bancorp (CUB)
issued a joint press release announcing the execution of an
Agreement and Plan of Merger, dated April5, 2017, by and between
PacWest and CUB , to which PacWest and CUB will merge (the
Merger), subject to the terms and conditions set forth therein.
PacWest will be providing supplemental information regarding the
Merger in connection with presentations to current and potential
investors. The slides to be used in connection with these
investor presentations are attached hereto as Exhibit99.1.

Item 9.01 Financial Statements and
Exhibits

(d) Exhibits.

About PacWest Bancorp (NASDAQ:PACW)

PacWest Bancorp is a bank holding company for Pacific Western Bank (the Bank). The Company is focused on relationship-based business banking to small, middle-market and venture-backed businesses. The Bank offers a range of loan and deposit products and services through approximately 80 branches located throughout the state of California. The Company provides commercial banking services, and deposit and treasury management services to small and middle-market businesses. It offers products and services under the brand names of Pacific Western, as well as its business groups, CapitalSource Inc. and Square 1 Bank. CapitalSource focuses on providing cash flow, asset-based, equipment and real estate loans and treasury management services to middle market businesses. Square 1 Bank focuses on providing a range of financial products to service entrepreneurial businesses and their venture capital and private equity investors.

PacWest Bancorp (NASDAQ:PACW) Recent Trading Information

PacWest Bancorp (NASDAQ:PACW) closed its last trading session up +0.55 at 50.86 with 682,024 shares trading hands.