4-DAY DEADLINE ALERT - Barbuto & Johansson, P.A. Reminds GRPN Shareholders of Important Class Action Deadline and Encourages Shareholders with Substantial Losses to Contact the Firm

(with over 30 years of Securities Class Action experience, including cases against ENRON and HALLIBURTON) remind investors of the important deadline approaching this coming Monday in the securities class action case filed against Groupon, Inc. (NasdaqGS: GRPN ).