GEOSPACE TECHNOLOGIES CORP

Ticker: GEOS CUSIP: 37364X109 Class: Common Stock

KING LUTHER CAPITAL MANAGEMENT CORP's Holding History (CIK: 0000310051)

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

Q4 2014

Shares 129,370 Value ($000) $3,428 Avg Close $29.00 Range $24.07 - $35.32

Q3 2014

Shares 129,370 Value ($000) $4,547 Avg Close $41.90 Range $34.01 - $55.50

Q2 2014

Shares 129,370 Value ($000) $7,126 Avg Close $56.24 Range $41.63 - $66.84

Q1 2014

Shares 104,370 Value ($000) $6,906 Avg Close $76.66 Range $60.70 - $94.82

Q4 2013

Shares 104,370 Value ($000) $9,877 Avg Close $91.95 Range $79.60 - $107.93

Q3 2013

Shares 104,370 Value ($000) $8,797 Avg Close $74.50 Range $66.87 - $84.82

Q2 2013

Shares 112,780 Value ($000) $7,791 Avg Close $83.42 Range $65.31 - $108.86

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2014	129,370	$3,428	$29.00	$24.07 - $35.32
Q3 2014	129,370	$4,547	$41.90	$34.01 - $55.50
Q2 2014	129,370	$7,126	$56.24	$41.63 - $66.84
Q1 2014	104,370	$6,906	$76.66	$60.70 - $94.82
Q4 2013	104,370	$9,877	$91.95	$79.60 - $107.93
Q3 2013	104,370	$8,797	$74.50	$66.87 - $84.82
Q2 2013	112,780	$7,791	$83.42	$65.31 - $108.86