IMPORTANT REMINDER FOR MACROGENICS, INC. INVESTORS: Wolf Haldenstein Adler Freeman & Herz LLP announces that a securities class action lawsuit has been filed in the United States District for the District of Maryland against MacroGenics, Inc.

Investors who purchased of MacroGenics, Inc. shares are urged to contact the firm immediately at [email protected] or (800) 575-0735 or (212) 545-4774.