NUVERRA ENVIRONMENTAL SOLUTI

CUSIP: 67091K203 Class: COM

STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM's Holding History (CIK: 0000938076)

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

Q1 2015
Shares 15,900 Value ($000) $57 Avg Close — Range —
Q4 2014
Shares 15,900 Value ($000) $88 Avg Close — Range —
Q3 2014
Shares 15,900 Value ($000) $235 Avg Close — Range —
Q2 2014
Shares 15,900 Value ($000) $320 Avg Close — Range —
Q1 2014
Shares 11,778 Value ($000) $239 Avg Close — Range —
Q4 2013
Shares 11,778 Value ($000) $198 Avg Close — Range —