GEOSPACE TECHNOLOGIES CORP

Ticker: GEOS CUSIP: 37364X109 Class: Common Stock

ProShare Advisors LLC's Holding History (CIK: 0001357955)

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

Q2 2014

Shares 6,857 Value ($000) $378 Avg Close $56.24 Range $41.63 - $66.84

Q1 2014

Shares 13,343 Value ($000) $883 Avg Close $76.66 Range $60.70 - $94.82

Q3 2013

Shares 8,434 Value ($000) $711 Avg Close $74.50 Range $66.87 - $84.82

Q2 2013

Shares 8,805 Value ($000) $608 Avg Close $83.42 Range $65.31 - $108.86

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2014	6,857	$378	$56.24	$41.63 - $66.84
Q1 2014	13,343	$883	$76.66	$60.70 - $94.82
Q3 2013	8,434	$711	$74.50	$66.87 - $84.82
Q2 2013	8,805	$608	$83.42	$65.31 - $108.86