MAMMOTH ENERGY SVCS INC

Ticker: TUSK CUSIP: 56155L108 Class: COM

PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO's Holding History (CIK: 0001007280)

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

Q2 2019

Shares 21,708 Value ($000) $149 Avg Close $12.71 Range $5.55 - $18.81

Q1 2019

Shares 83,227 Value ($000) $1,386 Avg Close $21.35 Range $16.27 - $24.62

Q4 2018

Shares 83,227 Value ($000) $1,496 Avg Close $24.57 Range $16.81 - $30.61

Q3 2018

Shares 83,568 Value ($000) $2,432 Avg Close $32.95 Range $25.64 - $40.75

Q2 2018

Shares 94,902 Value ($000) $3,223 Avg Close $35.13 Range $28.34 - $42.30

Q1 2018

Shares 55,675 Value ($000) $1,785 Avg Close $24.99 Range $18.66 - $33.67

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2019	21,708	$149	$12.71	$5.55 - $18.81
Q1 2019	83,227	$1,386	$21.35	$16.27 - $24.62
Q4 2018	83,227	$1,496	$24.57	$16.81 - $30.61
Q3 2018	83,568	$2,432	$32.95	$25.64 - $40.75
Q2 2018	94,902	$3,223	$35.13	$28.34 - $42.30
Q1 2018	55,675	$1,785	$24.99	$18.66 - $33.67