Columbia Banking System Announces Fourth Quarter and Full-Year 2017 Earnings Release and Conference Call Date

TACOMA, Wash., Jan. 8, 2018 /PRNewswire/ -- Columbia Banking System, Inc. ("Columbia" NASDAQ: COLB) expects to report fourth quarter and full-year 2017 financial results before the market opens on Thursday, January 25, 2018. Management will discuss these results on a conference call...