GEOSPACE TECHNOLOGIES CORP

Ticker: GEOS CUSIP: 37364X109 Class: Common Stock

NORGES BANK's Holding History (CIK: 0001374170)

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

Q3 2018

Shares 21,243 Value ($000) $291 Avg Close $13.80 Range $12.68 - $15.12

Q2 2018

Shares 103,423 Value ($000) $1,454 Avg Close $11.58 Range $9.46 - $14.81

Q1 2018

Shares 103,423 Value ($000) $1,021 Avg Close $12.26 Range $9.18 - $15.66

Q4 2017

Shares 103,423 Value ($000) $1,341 Avg Close $15.45 Range $12.09 - $18.71

Q3 2017

Shares 103,423 Value ($000) $1,843 Avg Close $15.21 Range $13.08 - $17.99

Q2 2017

Shares 151,614 Value ($000) $2,097 Avg Close $15.37 Range $13.59 - $17.04

Q1 2017

Shares 167,814 Value ($000) $2,724 Avg Close $18.95 Range $13.80 - $24.37

Q4 2016

Shares 167,814 Value ($000) $3,417 Avg Close $20.24 Range $16.77 - $23.20

Q3 2016

Shares 167,814 Value ($000) $3,122 Avg Close $17.28 Range $14.51 - $19.96

Q2 2016

Shares 167,814 Value ($000) $2,747 Avg Close $16.29 Range $11.82 - $19.92

Q1 2016

Shares 167,814 Value ($000) $2,071 Avg Close $11.02 Range $7.62 - $14.69

Q4 2015

Shares 167,814 Value ($000) $2,361 Avg Close $14.23 Range $10.16 - $18.91

Q3 2015

Shares 167,814 Value ($000) $2,318 Avg Close $16.62 Range $13.44 - $23.45

Q2 2015

Shares 167,814 Value ($000) $3,868 Avg Close $20.88 Range $15.59 - $26.75

Q1 2015

Shares 232,539 Value ($000) $3,839 Avg Close $20.77 Range $14.95 - $28.88

Q4 2014

Shares 232,539 Value ($000) $6,162 Avg Close $29.00 Range $24.07 - $35.32

Q3 2014

Shares 171,392 Value ($000) $6,025 Avg Close $41.90 Range $34.01 - $55.50

Q2 2014

Shares 132,389 Value ($000) $7,292 Avg Close $56.24 Range $41.63 - $66.84

Q1 2014

Shares 98,604 Value ($000) $6,525 Avg Close $76.66 Range $60.70 - $94.82

Q4 2013

Shares 98,604 Value ($000) $9,351 Avg Close $91.95 Range $79.60 - $107.93

Q3 2013

Shares 98,604 Value ($000) $8,312 Avg Close $74.50 Range $66.87 - $84.82

Q2 2013

Shares 85,719 Value ($000) $5,922 Avg Close $83.42 Range $65.31 - $108.86

Q1 2013

Shares 20,227 Value ($000) $2,183 Avg Close $99.86 Range $82.28 - $113.73

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2018	21,243	$291	$13.80	$12.68 - $15.12
Q2 2018	103,423	$1,454	$11.58	$9.46 - $14.81
Q1 2018	103,423	$1,021	$12.26	$9.18 - $15.66
Q4 2017	103,423	$1,341	$15.45	$12.09 - $18.71
Q3 2017	103,423	$1,843	$15.21	$13.08 - $17.99
Q2 2017	151,614	$2,097	$15.37	$13.59 - $17.04
Q1 2017	167,814	$2,724	$18.95	$13.80 - $24.37
Q4 2016	167,814	$3,417	$20.24	$16.77 - $23.20
Q3 2016	167,814	$3,122	$17.28	$14.51 - $19.96
Q2 2016	167,814	$2,747	$16.29	$11.82 - $19.92
Q1 2016	167,814	$2,071	$11.02	$7.62 - $14.69
Q4 2015	167,814	$2,361	$14.23	$10.16 - $18.91
Q3 2015	167,814	$2,318	$16.62	$13.44 - $23.45
Q2 2015	167,814	$3,868	$20.88	$15.59 - $26.75
Q1 2015	232,539	$3,839	$20.77	$14.95 - $28.88
Q4 2014	232,539	$6,162	$29.00	$24.07 - $35.32
Q3 2014	171,392	$6,025	$41.90	$34.01 - $55.50
Q2 2014	132,389	$7,292	$56.24	$41.63 - $66.84
Q1 2014	98,604	$6,525	$76.66	$60.70 - $94.82
Q4 2013	98,604	$9,351	$91.95	$79.60 - $107.93
Q3 2013	98,604	$8,312	$74.50	$66.87 - $84.82
Q2 2013	85,719	$5,922	$83.42	$65.31 - $108.86
Q1 2013	20,227	$2,183	$99.86	$82.28 - $113.73