MITCHAM INDS INC

CUSIP: 606501104 Class: COM

Swiss National Bank's Holding History (CIK: 0001582202)

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

Q1 2014
Shares 19,500 Value ($000) $272 Avg Close — Range —
Q4 2013
Shares 17,600 Value ($000) $312 Avg Close — Range —
Q3 2013
Shares 17,600 Value ($000) $269 Avg Close — Range —
Q2 2013
Shares 17,600 Value ($000) $295 Avg Close — Range —