X0306 4 2013-10-18 0 0001376339 MIMEDX GROUP, INC. MDXG 0000901434 PETIT PARKER H C/O MIMEDX GROUP, INC. 1775 WEST OAK COMMONS CT MARIETTA GA 30062 1 1 1 0 Chief Executive Officer Common Stock 2013-10-18 4 X 0 150000 1.00 A 5540020 D Warrant 1.00 2013-10-18 4 X 0 150000 0 D 2010-10-20 2013-10-20 Common Stock 150000 1470001 D Number of shares held directly by Mr. Petit. Mr. Petit also beneficially owns 150,000 shares held by The Parker H. Petit Grantor Trust, of which he serves as Trustee; 150,000 shares held by Petit Investments LP of which he serves as General partner and limited partner and possesses shared voting and investment control; and 975,000 shares held by Cox Road Partners II LLP, 975,000 shares held by Cox Road Partners LLLP and 975,000 shares held by Petit Investments LLLP II, Limited Liability Partnerships over which Mr. Petit possesses sole voting and investment control. /s/ Michael J. Senken, by Power of Attorney 2013-10-18