DAWSON GEOPHYSICAL CO NEW

Ticker: DWSN CUSIP: 239360100 Class: COM

Ameritas Investment Partners, Inc.'s Holding History (CIK: 0001055980)

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

Q1 2019

Shares 1,845 Value ($000) $5 Avg Close $3.06 Range $2.46 - $3.65

Q4 2018

Shares 1,845 Value ($000) $6 Avg Close $4.06 Range $2.60 - $5.61

Q3 2018

Shares 1,845 Value ($000) $11 Avg Close $5.63 Range $4.70 - $7.07

Q2 2018

Shares 1,845 Value ($000) $15 Avg Close $6.03 Range $4.59 - $7.17

Q1 2017

Shares 1,572 Value ($000) $9 Avg Close $5.89 Range $4.30 - $6.95

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2019	1,845	$5	$3.06	$2.46 - $3.65
Q4 2018	1,845	$6	$4.06	$2.60 - $5.61
Q3 2018	1,845	$11	$5.63	$4.70 - $7.07
Q2 2018	1,845	$15	$6.03	$4.59 - $7.17
Q1 2017	1,572	$9	$5.89	$4.30 - $6.95