GEOSPACE TECHNOLOGIES CORP

Ticker: GEOS CUSIP: 37364X109 Class: Common Stock

TCW GROUP INC's Holding History (CIK: 0000850401)

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

Q3 2014

Shares 12,750 Value ($000) $448 Avg Close $41.90 Range $34.01 - $55.50

Q2 2014

Shares 53,530 Value ($000) $2,948 Avg Close $56.24 Range $41.63 - $66.84

Q1 2014

Shares 35,396 Value ($000) $2,342 Avg Close $76.66 Range $60.70 - $94.82

Q4 2013

Shares 48,165 Value ($000) $4,567 Avg Close $91.95 Range $79.60 - $107.93

Q3 2013

Shares 85,372 Value ($000) $7,197 Avg Close $74.50 Range $66.87 - $84.82

Q2 2013

Shares 135,033 Value ($000) $9,328 Avg Close $83.42 Range $65.31 - $108.86

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2014	12,750	$448	$41.90	$34.01 - $55.50
Q2 2014	53,530	$2,948	$56.24	$41.63 - $66.84
Q1 2014	35,396	$2,342	$76.66	$60.70 - $94.82
Q4 2013	48,165	$4,567	$91.95	$79.60 - $107.93
Q3 2013	85,372	$7,197	$74.50	$66.87 - $84.82
Q2 2013	135,033	$9,328	$83.42	$65.31 - $108.86