NUVERRA ENVIRONMENTAL SOLUTI

CUSIP: 67091K104 Class: COM

BLAIR WILLIAM & CO/IL's Holding History (CIK: 0000902367)

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

Q3 2013
Shares 53,000 Value ($000) $121 Avg Close — Range —
Q2 2013
Shares 412,150 Value ($000) $1,195 Avg Close — Range —