DAWSON GEOPHYSICAL CO NEW

Ticker: DWSN CUSIP: 239360100 Class: COM

ARROWSTREET CAPITAL, LIMITED PARTNERSHIP's Holding History (CIK: 0001164508)

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

Q1 2019

Shares 11,700 Value ($000) $34 Avg Close $3.06 Range $2.46 - $3.65

Q4 2018

Shares 11,700 Value ($000) $39 Avg Close $4.06 Range $2.60 - $5.61

Q3 2018

Shares 20,414 Value ($000) $126 Avg Close $5.63 Range $4.70 - $7.07

Q2 2018

Shares 20,414 Value ($000) $161 Avg Close $6.03 Range $4.59 - $7.17

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2019	11,700	$34	$3.06	$2.46 - $3.65
Q4 2018	11,700	$39	$4.06	$2.60 - $5.61
Q3 2018	20,414	$126	$5.63	$4.70 - $7.07
Q2 2018	20,414	$161	$6.03	$4.59 - $7.17