NUVERRA ENVIRONMENTAL SOLUTI

CUSIP: 67091K203 Class: COM

ESSEX INVESTMENT MANAGEMENT CO LLC's Holding History (CIK: 0000201772)

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

Q3 2014
Shares 29,033 Value ($000) $428 Avg Close — Range —
Q2 2014
Shares 31,377 Value ($000) $631 Avg Close — Range —
Q1 2014
Shares 28,173 Value ($000) $572 Avg Close — Range —