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 rating of K2 to Pinnacle Financial Partners, Inc. (“PNFP”, “Pinnacle”, or “the Company”) a bank holding company headquartered in Nashville, Tennessee. In addition, KBRA has assigned a deposit rating of A-, senior unsecured debt rating of A-, subordinated debt rating of BBB+, and short-term deposit/debt rating of K2 to its subsidiary, Pin