GEOSPACE TECHNOLOGIES CORP

Ticker: GEOS CUSIP: 37364X109 Class: Common Stock

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

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

Q3 2015
Shares 197,000 Value ($000) $2,721 Avg Close $16.62 Range $13.44 - $23.45
Q2 2015
Shares 304,000 Value ($000) $7,007 Avg Close $20.88 Range $15.59 - $26.75
Q1 2015
Shares 427,000 Value ($000) $7,050 Avg Close $20.77 Range $14.95 - $28.88
Q4 2014
Shares 408,500 Value ($000) $10,825 Avg Close $29.00 Range $24.07 - $35.32
Q4 2013
Shares 269,500 Value ($000) $25,504 Avg Close $91.95 Range $79.60 - $107.93
Q3 2013
Shares 309,000 Value ($000) $26,044 Avg Close $74.50 Range $66.87 - $84.82
Q2 2013
Shares 260,000 Value ($000) $17,961 Avg Close $83.42 Range $65.31 - $108.86
Q1 2013
Shares 234,000 Value ($000) $25,253 Avg Close $99.86 Range $82.28 - $113.73
Q4 2012
Shares 219,000 Value ($000) $19,463 Avg Close — Range —