MISTRAS GROUP INC

Ticker: MG CUSIP: 60649T107 Class: Common Stock

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

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

Q3 2014

Shares 195,505 Value ($000) $4,452 Avg Close $21.83 Range $20.05 - $25.48

Q2 2014

Shares 229,785 Value ($000) $5,634 Avg Close $22.96 Range $20.42 - $24.69

Q1 2014

Shares 195,505 Value ($000) $4,452 Avg Close $23.08 Range $20.59 - $25.23

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2014	195,505	$4,452	$21.83	$20.05 - $25.48
Q2 2014	229,785	$5,634	$22.96	$20.42 - $24.69
Q1 2014	195,505	$4,452	$23.08	$20.59 - $25.23