NORTHERN TIER ENERGY LP

CUSIP: 665826103 Class: COM UN REPR PART

WELLINGTON MANAGEMENT GROUP LLP's Holding History (CIK: 0000902219)

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

Q3 2014
Shares 62,600 Value ($000) $1,462 Avg Close — Range —
Q2 2014
Shares 383,100 Value ($000) $10,244 Avg Close — Range —
Q1 2014
Shares 383,100 Value ($000) $9,853 Avg Close — Range —
Q4 2013
Shares 286,752 Value ($000) $7,054 Avg Close — Range —