MIMEDX GROUP INC

Ticker: MDXG CUSIP: 602496101 Class: Common Stock

CASTLEARK MANAGEMENT LLC's Holding History (CIK: 0001106832)

Note: Option positions (PUT/CALL) are excluded.

Q2 2015

Shares 709,950 Value ($000) $8,228 Avg Close $10.29 Range $8.97 - $11.93

Q1 2015

Shares 707,100 Value ($000) $7,354 Avg Close $9.36 Range $7.92 - $11.33

Q4 2014

Shares 422,000 Value ($000) $4,866 Avg Close $9.88 Range $6.81 - $11.97

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2015	709,950	$8,228	$10.29	$8.97 - $11.93
Q1 2015	707,100	$7,354	$9.36	$7.92 - $11.33
Q4 2014	422,000	$4,866	$9.88	$6.81 - $11.97