PROPETRO HLDG CORP

Ticker: PUMP CUSIP: 74347M108 Class: Common Stock

ICON ADVISERS INC/CO's Holding History (CIK: 0001058470)

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

Q3 2018

Shares 160,700 Value ($000) $2,650 Avg Close $16.12 Range $14.32 - $17.89

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2018	160,700	$2,650	$16.12	$14.32 - $17.89