INVESTOR ALERT: Levi & Korsinsky, LLP Notifies Shareholders of SQUARE 1 FINANCIAL, INC. of PENDENCY OF CLASS ACTION Lawsuit In Connection With the Fairness of the SALE OF THE COMPANY TO PACWEST BANCORP -- SQBK

NEW YORK--(BUSINESS WIRE)--

The following statement is being issued by Levi & Korsinsky, LLP:

TO: ALL PERSONS OR ENTITIES WHO PURCHASED OR OTHERWISE ACQUIRED COMMON STOCK OF SQUARE 1 FINANCIAL, INC. ("Square 1" or "the Company") SQBK PRIOR TO MARCH 2, 2015 AND CONTINUE TO HOLD SUCH SHARES.

YOU ARE HEREBY NOTIFIED that Levi & Korsinsky, LLP has commenced an investigation into the fairness of the sale of Square 1 to PacWest Bancorp ("PacWest") PACW. Click here to learn more about the action: http://zlk.9nl.com/square1-financial-sqbk. There is no cost or obligation to you.

The Board of Directors of Square 1 agreed to sell the company to PacWest. Under the terms of the transaction, Square 1 shareholders will receive a fixed ratio of 0.5997 shares of PacWest for each Square 1 common share they own, or approximately $27.49 per share. The transaction is valued at approximately $849 million.

If you own Square 1 common stock and wish to obtain additional information, please contact Joseph E. Levi, Esq. either via email at jlevi@zlk.com or by telephone at (212) 363-7500, toll-free: (877) 363-5972, or visit http://zlk.9nl.com/square1-financial-sqbk.

Levi & Korsinsky is a national firm with offices in New York, New Jersey, Connecticut and Washington D.C. The firm's attorneys have extensive expertise in prosecuting securities litigation involving financial fraud, representing investors throughout the nation in securities and shareholder lawsuits. For more information, please feel free to contact any of the attorneys listed below. Attorney advertising. Prior results do not guarantee similar outcomes.

Levi & Korsinsky, LLP
Joseph Levi, Esq.
Eduard Korsinsky, Esq.
30 Broad Street - 24th Floor
New York, NY 10004
Tel: (212) 363-7500
Toll Free: (877) 363-5972
Fax: (866) 367-6510
www.zlk.com