PROPETRO HLDG CORP

Ticker: PUMP CUSIP: 74347M108 Class: Common Stock

Nationwide Fund Advisors's Holding History (CIK: 0001097218)

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

Q3 2017

Shares 65,228 Value ($000) $936 Avg Close $12.55 Range $10.84 - $14.63

Q2 2017

Shares 94,382 Value ($000) $1,318 Avg Close $13.44 Range $11.68 - $15.30

Q1 2017

Shares 25,300 Value ($000) $326 Avg Close $13.50 Range $12.26 - $15.19

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2017	65,228	$936	$12.55	$10.84 - $14.63
Q2 2017	94,382	$1,318	$13.44	$11.68 - $15.30
Q1 2017	25,300	$326	$13.50	$12.26 - $15.19