NEW YORK–(BUSINESS WIRE)–Kroll Bond Rating Agency (KBRA) has assigned a senior unsecured debt rating of BBB+, subordinated debt rating of BBB, and short-term debt rating of K2 for Sterling Bancorp (NYSE:STL), a bank holding company headquartered in Montebello, New York. In addition, KBRA has assigned deposit and senior unsecured debt ratings of A-, a subordinated debt rating of BBB+, and short-term deposit and debt ratings of K2 for its subsidiary, Sterling National Bank. The Outlook for all