GEOSPACE TECHNOLOGIES CORP

Ticker: GEOS CUSIP: 37364X109 Class: Common Stock

PROFUND ADVISORS LLC's Holding History (CIK: 0001129919)

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

Q4 2013

Shares 3,484 Value ($000) $330 Avg Close $91.95 Range $79.60 - $107.93

Q3 2013

Shares 2,536 Value ($000) $214 Avg Close $74.50 Range $66.87 - $84.82

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2013	3,484	$330	$91.95	$79.60 - $107.93
Q3 2013	2,536	$214	$74.50	$66.87 - $84.82