NORTHERN TIER ENERGY LP

CUSIP: 665826103 Class: COM UN REPR PART

OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AM's Holding History (CIK: 0001132716)

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

Q1 2014
Shares 9,000 Value ($000) $231,000 Avg Close — Range —