PROPETRO HLDG CORP

Ticker: PUMP CUSIP: 74347M108 Class: Common Stock

EAM Investors, LLC's Holding History (CIK: 0001510989)

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

Q1 2021

Shares 282,351 Value ($000) $3,010 Avg Close $9.92 Range $7.21 - $13.99

Q1 2019

Shares 73,969 Value ($000) $1,667 Avg Close $17.90 Range $11.78 - $23.32

Q4 2017

Shares 136,700 Value ($000) $2,756 Avg Close $16.95 Range $13.26 - $20.60

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2021	282,351	$3,010	$9.92	$7.21 - $13.99
Q1 2019	73,969	$1,667	$17.90	$11.78 - $23.32
Q4 2017	136,700	$2,756	$16.95	$13.26 - $20.60