Democratic Sen. Joe Donnelly has long blasted free-trade policies for killing American jobs.
Sunday's event at Emens Auditorium on the Ball State University campus will be free and open to the public.
Senator Coats expressed his gratitude for his family and years of service.
Following the shooting in Orlando, the U.S. Senate rejected all of the proposed gun control measures.
Sen. Banks says he plans to address supporters Tuesday afternoon at Allen County Republican Headquarters.
The former senator and congressman say the U.S. needs to send a clear message to Syrian President Bashar al-Assad.
Sen. Joe Donnelly says the office will help veterans with questions they have about federal benefits.
Senator Joe Donnelly (D-Indiana) says he wants more flexibility in where cuts must happen, while Governor Mike Pence says the state is planning where to cut.
Senator Joe Donnelly wants to allocate more federal funding to programs that train people in fields with the highest demand.
The announcement is expected to include an expansion of the Center on Congress, housed at Indiana University.