PROPETRO HLDG CORP

Ticker: PUMP CUSIP: 74347M108 Class: Common Stock

Gryphon Financial Partners LLC's Holding History (CIK: 0001729094)

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

Q2 2018

Shares 73 Value ($000) $1 Avg Close $17.21 Range $14.00 - $20.91

Q1 2018

Shares 186 Value ($000) $3 Avg Close $18.08 Range $14.56 - $22.88

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2018	73	$1	$17.21	$14.00 - $20.91
Q1 2018	186	$3	$18.08	$14.56 - $22.88