NORTHERN TIER ENERGY LP

CUSIP: 665826103 Class: COM UN REPR PART

CUSHING ASSET MANAGEMENT, LP dba NXG INVESTMENT MANAGEMENT's Holding History (CIK: 0001329375)

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

Q1 2015
Shares 165,032 Value ($000) $4,182 Avg Close — Range —
Q4 2013
Shares 471,366 Value ($000) $11,596 Avg Close — Range —
Q3 2013
Shares 241,043 Value ($000) $4,753 Avg Close — Range —
Q2 2013
Shares 121,400 Value ($000) $2,916 Avg Close — Range —