4 Columbus MainSource locations must be sold for $1 billion First Financial deal to proceed

Three MainSource banking centers and one drive-through location in Columbus must be sold to a third party for the U.S. Department of Justice to approve the $1 billion merger of MainSource Financial Group and First Financial Bancorp, the companies have announced. About 25 MainSource employees will be affected by the decision, of which 20 work in Columbus, said Archie Brown Jr., chairman, president and CEO of Greensburg-based MainSource Bank.