NORTHERN TIER ENERGY LP

CUSIP: 665826103 Class: COM UN REPR PART

DRIEHAUS CAPITAL MANAGEMENT LLC's Holding History (CIK: 0000938206)

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

Q1 2015
Shares 19,400 Value ($000) $492 Avg Close — Range —
Q2 2013
Shares 63,688 Value ($000) $1,530 Avg Close — Range —