DAWSON GEOPHYSICAL CO NEW

Ticker: DWSN CUSIP: 239360100 Class: COM

PNC Financial Services Group, Inc.'s Holding History (CIK: 0000713676)

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

Q1 2016

Shares 96 Value ($000) $0 Avg Close $2.91 Range $2.36 - $3.94

Q4 2015

Shares 96 Value ($000) $0 Avg Close $3.11 Range $2.38 - $3.77

Q3 2015

Shares 96 Value ($000) $0 Avg Close $3.51 Range $2.72 - $4.38

Q2 2015

Shares 96 Value ($000) $0 Avg Close $4.38 Range $3.43 - $4.97

Q1 2015

Shares 96 Value ($000) $0 Avg Close $4.61 Range $3.47 - $5.94

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2016	96	$0	$2.91	$2.36 - $3.94
Q4 2015	96	$0	$3.11	$2.38 - $3.77
Q3 2015	96	$0	$3.51	$2.72 - $4.38
Q2 2015	96	$0	$4.38	$3.43 - $4.97
Q1 2015	96	$0	$4.61	$3.47 - $5.94