NUVERRA ENVIRONMENTAL SOLUTI

CUSIP: 67091K203 Class: COM

SIMPLEX TRADING, LLC's Holding History (CIK: 0001488542)

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

Q1 2016
Shares 3,683 Value ($000) $1 Avg Close — Range —
Q4 2015
Shares 2,083 Value ($000) $1 Avg Close — Range —
Q3 2015
Shares 1,763 Value ($000) $2 Avg Close — Range —
Q2 2015
Shares 1,461 Value ($000) $9 Avg Close — Range —