NORTHERN TIER ENERGY LP

CUSIP: 665826103 Class: COM UN REPR PART

Private Wealth Partners, LLC's Holding History (CIK: 0001335851)

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

Q4 2013
Shares 66,100 Value ($000) $1,626 Avg Close — Range —
Q3 2013
Shares 70,400 Value ($000) $1,388 Avg Close — Range —
Q2 2013
Shares 78,400 Value ($000) $1,883 Avg Close — Range —