MAMMOTH ENERGY SVCS INC

Ticker: TUSK CUSIP: 56155L108 Class: COM

Dynamic Technology Lab Private Ltd's Holding History (CIK: 0001535387)

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

Q1 2019

Shares 17,355 Value ($000) $289 Avg Close $21.35 Range $16.27 - $24.62

Q2 2018

Shares 22,757 Value ($000) $773 Avg Close $35.13 Range $28.34 - $42.30

Q1 2018

Shares 7,476 Value ($000) $240 Avg Close $24.99 Range $18.66 - $33.67

Q1 2017

Shares 10,857 Value ($000) $233 Avg Close $19.07 Range $15.07 - $24.54

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2019	17,355	$289	$21.35	$16.27 - $24.62
Q2 2018	22,757	$773	$35.13	$28.34 - $42.30
Q1 2018	7,476	$240	$24.99	$18.66 - $33.67
Q1 2017	10,857	$233	$19.07	$15.07 - $24.54