NORTHERN TIER ENERGY LP

CUSIP: 665826103 Class: COM UN REPR PART

BERKLEY W R CORP's Holding History (CIK: 0000011544)

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

Q1 2016
Shares 204,843 Value ($000) $5,297 Avg Close — Range —
Q4 2015
Shares 204,843 Value ($000) $5,297 Avg Close — Range —