MISTRAS GROUP INC

Ticker: MG CUSIP: 60649T107 Class: Common Stock

Polar Asset Management Partners Inc.'s Holding History (CIK: 0001326389)

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

Q4 2014

Shares 447,400 Value ($000) $8,201 Avg Close $17.11 Range $15.68 - $20.61

Q3 2014

Shares 538,000 Value ($000) $10,975 Avg Close $21.83 Range $20.05 - $25.48

Q2 2014

Shares 613,158 Value ($000) $15,035 Avg Close $22.96 Range $20.42 - $24.69

Q1 2014

Shares 562,085 Value ($000) $12,799 Avg Close $23.08 Range $20.59 - $25.23

Q4 2013

Shares 478,031 Value ($000) $9,981 Avg Close $19.22 Range $16.58 - $21.09

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2014	447,400	$8,201	$17.11	$15.68 - $20.61
Q3 2014	538,000	$10,975	$21.83	$20.05 - $25.48
Q2 2014	613,158	$15,035	$22.96	$20.42 - $24.69
Q1 2014	562,085	$12,799	$23.08	$20.59 - $25.23
Q4 2013	478,031	$9,981	$19.22	$16.58 - $21.09