NUVERRA ENVIRONMENTAL SOLUTI

CUSIP: 67091K203 Class: COM

OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AM's Holding History (CIK: 0001132716)

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

Q3 2014
Shares 478,054 Value ($000) $7,051,000 Avg Close — Range —
Q2 2014
Shares 127,120 Value ($000) $2,556,000 Avg Close — Range —