NUVERRA ENVIRONMENTAL SOLUTI

CUSIP: 67091K104 Class: COM

Nationwide Fund Advisors's Holding History (CIK: 0001097218)

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

Q3 2013
Shares 115,277 Value ($000) $264 Avg Close — Range —
Q2 2013
Shares 109,531 Value ($000) $318 Avg Close — Range —