GOODLETTSVILLE, Tenn.--(BUSINESS WIRE)--Dollar General Corporation (NYSE:DG) plans to report its financial results for its fiscal 2015 second quarter ended July 31, 2015, on Thursday, August 27, 2015. In connection with the announcement, Todd Vasos, chief executive officer, and John Garratt, interim chief financial officer, will host a conference call on Thursday, August 27, 2015, at 9:00 a.m. CT/10:00 a.m. ET. If you wish to participate, please call (855) 576-2641 at least 10 minutes before th