MISTRAS GROUP INC

Ticker: MG CUSIP: 60649T107 Class: Common Stock

BAMCO INC /NY/'s Holding History (CIK: 0001017918)

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

Q3 2014
Shares 470,000 Value ($000) $9,588 Avg Close $21.83 Range $20.05 - $25.48
Q2 2014
Shares 850,000 Value ($000) $20,842 Avg Close $22.96 Range $20.42 - $24.69
Q1 2014
Shares 850,000 Value ($000) $19,354 Avg Close $23.08 Range $20.59 - $25.23
Q4 2013
Shares 850,000 Value ($000) $17,748 Avg Close $19.22 Range $16.58 - $21.09
Q3 2013
Shares 1,850,000 Value ($000) $31,450 Avg Close $17.52 Range $15.99 - $19.84
Q2 2013
Shares 1,850,000 Value ($000) $32,523 Avg Close $20.67 Range $16.76 - $24.21