X0306 4 2013-02-14 0 0001415684 MusclePharm Corp MSLP.OB 0001129219 PROSSER DON 7260 OSCEOLA STREET WESTMINSTER CO 80030 1 0 0 0 Common Stock 2013-02-14 4 A 0 6252 A 6605 D Common Stock 2013-02-14 4 A 0 132 A 6737 D 6,252 shares of common stock shall vest equally on March 31, 2013, June 30, 2013, September 30, 2013 and December 31, 2013, subject to Mr. Prosser's continued service as a director. The shares are issued as compensation for service of Mr. Prosser. The shares are issued as makeup shares for the shortfall in Mr. Prosser's 2012 stock grant. /s/ Don Prosser 2013-04-04