PROPETRO HLDG CORP

Ticker: PUMP CUSIP: 74347M108 Class: Common Stock

Dorsey & Whitney Trust CO LLC's Holding History (CIK: 0001384042)

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

Q1 2019

Shares 11,148 Value ($000) $251 Avg Close $17.90 Range $11.78 - $23.32

Q4 2018

Shares 11,245 Value ($000) $139 Avg Close $16.47 Range $11.27 - $19.76

Q3 2018

Shares 11,449 Value ($000) $189 Avg Close $16.12 Range $14.32 - $17.89

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2019	11,148	$251	$17.90	$11.78 - $23.32
Q4 2018	11,245	$139	$16.47	$11.27 - $19.76
Q3 2018	11,449	$189	$16.12	$14.32 - $17.89