NEW YORK--( BUSINESS WIRE )--Kroll Bond Rating Agency (KBRA) assigns a senior unsecured debt rating of BBB, a subordinated debt rating of BBB-, and a short-term debt rating of K3 for Iowa City, Iowa-based MidWestOne Financial Group, Inc. (NASDAQ: MOFG) ("MidWestOne" or "the company"). In addition, KBRA assigns deposit and senior unsecured debt ratings of BBB+, a subordinated debt rating of BBB, and short-term deposit and debt ratings of K2 for its subsidiary, MidWestOne Bank. The Outlook for all long-term ratings is Stable.