NORTH AMERN ENERGY PARTNERS

CUSIP: 656844107 Class: COM

Aperio Group, LLC's Holding History (CIK: 0001364615)

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

Q3 2014
Shares 11,924 Value ($000) $77 Avg Close — Range —
Q2 2014
Shares 12,323 Value ($000) $99 Avg Close — Range —
Q1 2014
Shares 11,924 Value ($000) $86 Avg Close — Range —
Q4 2013
Shares 12,741 Value ($000) $74 Avg Close — Range —
Q3 2013
Shares 13,291 Value ($000) $72 Avg Close — Range —
Q2 2013
Shares 13,028 Value ($000) $55 Avg Close — Range —