GEOSPACE TECHNOLOGIES CORP

Ticker: GEOS CUSIP: 37364X109 Class: Common Stock

Boston Partners's Holding History (CIK: 0001386060)

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

Q4 2014

Shares 36,785 Value ($000) $975 Avg Close $29.00 Range $24.07 - $35.32

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2014	36,785	$975	$29.00	$24.07 - $35.32