MISTRAS GROUP INC

Ticker: MG CUSIP: 60649T107 Class: Common Stock

RATIONAL ADVISORS LLC's Holding History (CIK: 0001143565)

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

Q1 2017

Shares 1,900 Value ($000) $41 Avg Close $22.67 Range $19.49 - $26.46

Q4 2016

Shares 3,500 Value ($000) $90 Avg Close $22.80 Range $19.62 - $26.27

Q3 2016

Shares 5,350 Value ($000) $126 Avg Close $24.47 Range $22.46 - $25.93

Q2 2016

Shares 5,350 Value ($000) $128 Avg Close $24.44 Range $22.86 - $26.47

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2017	1,900	$41	$22.67	$19.49 - $26.46
Q4 2016	3,500	$90	$22.80	$19.62 - $26.27
Q3 2016	5,350	$126	$24.47	$22.46 - $25.93
Q2 2016	5,350	$128	$24.44	$22.86 - $26.47