GEOSPACE TECHNOLOGIES CORP

Ticker: GEOS CUSIP: 37364X109 Class: Common Stock

SUMMIT SECURITIES GROUP LLC's Holding History (CIK: 0001531593)

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

Q3 2013

Shares 100 Value ($000) $8 Avg Close $74.50 Range $66.87 - $84.82

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2013	100	$8	$74.50	$66.87 - $84.82