Company Increases Board Size to 10 Goodlettsville, Tenn., 2018-Feb-15 — /EPR Retail News/ — Today (February 13, 2018), Dollar General Corporation (NYSE: DG) announced the appointment of Tim McGuire and Ralph Santana to its board of directors effective February 12, 2018. “Dollar General is excited to welcome Tim and Ralph to its board of directors,” said Michael…