NORTHERN TIER ENERGY LP

CUSIP: 665826103 Class: COM UN REPR PART

AMERICAN CENTURY COMPANIES INC's Holding History (CIK: 0000748054)

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

Q3 2015
Shares 193,127 Value ($000) $4,403 Avg Close — Range —
Q2 2015
Shares 377,924 Value ($000) $8,983 Avg Close — Range —
Q1 2015
Shares 500,816 Value ($000) $12,691 Avg Close — Range —
Q4 2014
Shares 698,363 Value ($000) $15,462 Avg Close — Range —
Q3 2014
Shares 664,446 Value ($000) $15,515 Avg Close — Range —
Q2 2014
Shares 643,565 Value ($000) $17,209 Avg Close — Range —